- 14 hours ago
Discover how to maximize your kitchen efficiency with everyday tools like tongs and spatulas. Learn about their unique magnetic signatures that boost performance on modern induction cooktops. As convenience kitchens emerge as the future, unlock energy-saving hacks using simple items like a paperclip. Dive into the mysteries of your kitchen and transform your cooking experience!
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00:00A label on your panties digging into your most sensitive spots is definitely not the best feeling.
00:06Sure, you can cut it off, but often that just leaves even sharper corners that can be more annoying.
00:12But what if you've been cutting those labels wrong this whole time?
00:15Check it out. On the left, the label is sewn into the seam, while on the right, it's just hanging
00:21on by a couple of threads.
00:23Just snip those threads, and voila!
00:26It's like the label was never even there.
00:28Plus, with this little hack, you can always pick panties in the store that are guaranteed to be comfy.
00:34If you've traveled to Europe recently, you may have noticed how nasty the bottle caps have become.
00:40Yeah, according to the law, they now have to scratch your nose.
00:44Oops, sorry, they have to be attached right to the bottle.
00:47If these bottles annoy you too, try this.
00:50Once you open the bottle, rotate the cap 90 degrees, and pull until one of the plastic connections breaks.
00:56And finally, turn the bottle until the cap touches your chin, not your nose, and drink.
01:03You've been using the colander in the wrong way all this time.
01:06This smart kitchen device has a hidden function.
01:09The traditional way of draining noodles involves dumping boiled noodles into a colander, right?
01:15But if your colander is about the same size as your pot, try this instead.
01:20Place the colander on top of the pot with the noodles, like a lid, and drain the water out.
01:25This method is faster and less messy, and it keeps your noodles in the pot where they belong.
01:33Toilet plungers and sink plungers are quite different, and the toilet version has a handy rubber flap called a flange
01:40that pops out from the cup.
01:42This flange fits snugly over toilet drains, giving you strong suction to tackle stubborn clogs.
01:49While a sink plunger won't help with toilet troubles, the toilet plunger can work on your sink or tub.
01:55Just make sure to keep that flap tucked inside the cup.
01:59And don't forget to give it a thorough clean with bleach before switching from toilet to sink use.
02:04You definitely don't want to mix things up.
02:07If you still work in an office, next time you print out something, make sure to check out this stapler
02:13built right into the printer.
02:15It can staple all the documents that fit in the slot at the same time.
02:19By the way, it's not something new.
02:21Such printers have been around since the 90s.
02:25Why buy a ruler and spend your hard-earned dollars if you can simply use a dollar bill to measure
02:31whatever you want?
02:33Only as long as this whatever is somewhere around 6 inches.
02:37A dollar bill is just about this size.
02:41Even though many people are sure that those tiny holes on the bottom left side of your iPhone are the
02:47speaker, they're actually a microphone.
02:49And speaking of iPhones, if you've got one of the latest models and your phone is out of juice but
02:54there's no socket to be found nearby, here's a nifty trick.
02:58Grab a double-ended charger cord and connect it to another iPhone 15.
03:04Boom! Your phone gets a little power boost.
03:07I bet you've noticed that the hook on a tape measure is a little loose.
03:11Well, that's intentional.
03:13The hook moves just enough to account for its own thickness,
03:16ensuring both inside and outside measurements are accurate.
03:20So, if you ever thought it was broken, nope, it's just doing its job.
03:24As for the hole at the end,
03:26it's replacing the tape on the edge of a nail to get measurements from odd spots.
03:31The pockets on new suits are sewn shut to keep the jacket's shape during transportation and display.
03:38Of course, you can unpick them to use the pockets but you need to be careful with what you put
03:43there.
03:43Anything heavy can easily distort the suit's shape.
03:47The important thing, though, is to remember to cut the threads holding the back vents together for better movement and
03:53comfort.
03:53Oh, and remember to cut those tacky stitches that fasten your new coat's vent, that flap on the back.
04:01Now, that sink squeegee thing actually hides a big secret.
04:05It can store water.
04:07Many sink squeegees have tiny holes that allow water to stay inside.
04:12But why would we need that water?
04:14Oh, you can release it as you squeegee, which will help you rinse the sink as you clean it.
04:21Here's a travel tip that will help you understand U.S. highways.
04:24In the U.S., highways with even numbers run east-west, and those with odd numbers run north-south.
04:31If a highway number starts with an odd digit, it's a spur, which means it doesn't reconnect to the main
04:38highway.
04:39If it starts with an even digit, it's a loop around or through a city that eventually reconnects with the
04:44main highway.
04:46And finally, numbers divisible by 5 are major highways meant for cross-country travel.
04:53Your iPhone camera can also translate laundry symbols, identify plants, and even recognize some bird species.
05:02It's like having a mini-encyclopedia in your pocket.
05:05Another trick.
05:06When using the markup feature while editing your photos, you might want to highlight a part of a picture.
05:12Put a circle around the needed area and keep your finger pressed down at the end of the stroke.
05:18Voila!
05:19Instead of a misshapen circle, you get a perfect one.
05:22It also works for squares, triangles, and stars.
05:26Barilla, probably the most famous pasta in the world, has teamed up with Spotify to create playlists that match the
05:33cooking time for different pasta shapes.
05:36Just start the playlist when you drop the pasta into boiling water.
05:39And when the music stops, your pasta is ready.
05:44Toasters have crumb trays at the bottom that you can and should clean regularly.
05:49Just slide it out and dump the crumbs.
05:52It's an easy way to keep your toaster clean and working well.
05:56You can use Google Maps to share your location in real time.
06:00Just tap your account icon, select Location Sharing, and choose how long to share.
06:05Your friends can track your progress and be ready when you arrive.
06:08You can also save your parking location by clicking the blue dot.
06:14Do you know that the knobs on some ovens have calibration screws on the back?
06:18You can adjust them to get more accurate temperature control.
06:22It'll definitely help you avoid overcooking or undercooking your meals.
06:27In non-prepaid gas stations in the U.S., try pressing Enter before swiping your debit or credit card.
06:34It'll take you to the prepaid screen, and you can enter the amount you need manually.
06:40If you're drinking outside on a windy day, place some coins in an empty cup, and then put the cup
06:46you're drinking from inside the first one.
06:48The weight of the coins will help you keep your drink from getting blown over.
06:53Simple, but effective.
06:56Once you've peeled your potato, you might spot some tiny divots, known as eyes, that still have some skin on
07:03them.
07:03Many peelers come with a handy scoop designed to tackle these little guys.
07:07Just take the scoop, dig in, and pop them out.
07:10Easy peasy.
07:11Your favorite potato recipe will be totally eye-free in no time.
07:18A cell phone's camera can help you to figure out whether your remote is working.
07:22The camera is sensitive to infrared, so you just need to turn it on and point the remote at the
07:27camera while pressing the remote's buttons.
07:30You'll see the LED flashing in response.
07:33If you spot nothing, something is definitely wrong with the remote.
07:38Bonus fact here.
07:39White vinegar isn't just for cooking.
07:41It's also the real laundry hero.
07:44If you add it to your laundry, it'll take out all the bad smells from your clothes.
07:48The amount to add can be anywhere from a splash to a cup during the wash.
07:54And don't worry about the vinegar smell.
07:56It washes away completely, leaving your clothes fresh.
07:59It's also great for removing hard water buildup.
08:04Okay, today I'll show you things you've never seen and tell you stuff you never knew.
08:09Wow, all in one video!
08:11What a bargain!
08:12For example, these soda found stations in fast food restaurants.
08:16We all see the nice side of it, but have you ever wondered where all this soda comes from?
08:21Let me take you behind the scenes.
08:24Ta-da!
08:24Turns out it's a pile of boxes with tubes.
08:27So when the drink runs out, the employees change the box and plug the tube back in.
08:33Okay, let's peek into a couple more places where we normally don't belong.
08:38This is, for example, what you will see if you cut the screen of a Mac open.
08:43And here's what's hidden behind the dryers in a public laundromat.
08:46Today, 4 out of 5 households in the U.S. have a dryer.
08:50But they weren't so widely accessible when they first appeared in the 1950s.
08:55Because they were way too expensive for the average homeowner.
08:58Now, grocery shopping isn't an uncommon practice.
09:01And we all have walked past dairy fridges a million times.
09:05But have you ever wondered what's behind them?
09:07Turns out they're just shelves.
09:09And store employees stack the products from the other side.
09:13It makes perfect sense, but I never imagined it like this.
09:16Now, this photo shows what's behind the elevator button.
09:20Obviously, a bunch of cords.
09:22The buttons are all wired to a computer that manages the elevator.
09:26How does the computer know where the elevator is at a particular time?
09:30Well, there are several possible systems.
09:32But the most common one is a long vertical tape in the shaft with a series of holes.
09:38A sensor counts the number of holes that are passed.
09:41And that's how the location is determined.
09:43Okay, there are a couple of common things we all know.
09:47But the purpose of which remains a mystery to most.
09:50So, let me share these secrets with you.
09:53Those metal rivets on jeans have been there from the very beginning.
09:57Jacob Davis, the iconic man who made the first pair of jeans,
10:01added copper rivets to places where pants are most likely to rip.
10:05Today, they have more of a decorative and distinctive purpose
10:08since they are a traditional attribute of the jeans everyone knows of.
10:13Now, I'll bet you know there are extra loops on some shoes.
10:17No, they're not for sweat or ventilation.
10:19Those are extra loops for laces, just like other loops you use.
10:23But they're there to tie your shoe around the ankle to prevent your foot from moving aside.
10:28That's especially helpful if you're hiking and ascending and descending hills and trails.
10:34Now, have you ever noticed those half-belt thingies many coats and jackets have at the back?
10:39Turns out, they first appeared on oversized military jackets.
10:43So, the extra fabric could be collected on the back,
10:46and the person doesn't stumble when working.
10:48Today, those belts are only added for the sake of style and tradition.
10:53Most clothing items you buy come with a small bag of fabric or a button or both.
10:58These are actually not useless.
11:01Buttons obviously can be replaced if you lost the original one.
11:04Pieces of fabric can serve two purposes.
11:07You can patch up the hole, but the main purpose is to provide you with a sample of cloth,
11:12so you can use it to test different washing products on it and see what happens to the fabric.
11:18Now, pom-poms on woolen hats.
11:20Did you know that sailors were wearing hats with pom-poms in the 18th century
11:25to protect their heads in case they accidentally whacked them?
11:28Regular people were wearing them in Scotland,
11:31and the color of the pom-pom signified the person's social status.
11:35People got back to wearing hats with those cute decorative items during the Great Depression.
11:40They're made of spare yarn, so it was a cheap way to decorate your hat.
11:44Now, if you haven't noticed, some sidewalks have little plates with bumps on them.
11:49Most people don't pay much attention to them,
11:51but they're very important for visually impaired people.
11:55It signals a slope that then leads to a crosswalk.
11:58Also, several patterns signal different things.
12:01Have you noticed that the icon of a gas tank on car dashboards has a little arrow next to it?
12:08Well, the arrow has a purpose.
12:09It points at the side of the car where the gas tank is located.
12:13Very useful for forgetful people, like me, who constantly wonder which side it is on,
12:19and also for those who drive rentals once in a while.
12:22The answer is right in front of your eyes.
12:25If you can't find the arrow on your panel,
12:27then the fuel hose on the icon indicates the side instead.
12:31Now, on the back of many makeup and hygiene products,
12:34you'll find this symbol with a marking like 6M, 12M, and 24M.
12:40This is the number of months this product can serve you before you should toss it out.
12:45You might know that whistles work perfectly fine even if they don't have that ball inside.
12:50And yet, they have it.
12:52But why?
12:53Even though there's a sound without the ball,
12:55the noise it creates is very flat, and it's not distinguishable enough.
12:59When the whistle has a ball inside,
13:02then it starts moving with every blow,
13:04indicating different pitches and making the noise more noticeable.
13:09Lollipop sticks have those squared holes on the end of their sticks for a reason, too.
13:13When the candy is put on the stick,
13:16some of it goes into the hole, fixating the candy part.
13:19This way, the candy ball or whatever shape is less likely to fall off the stick.
13:24Yeah, it's a bummer when that happens.
13:27Measuring tapes have that little metal stud on the end.
13:30Most people know that you can use it to stick it to the side of the surface you're measuring.
13:35But it's not the only cool thing about it.
13:37Look, there's also a small slot.
13:40And this slot can be used to hang it on a nail.
13:42Again, to free your hands and keep measuring.
13:45The bottom of the end of the tape has a ridged edge.
13:49It'll help you make a mark if you don't have a marking tool with you.
13:52Have you ever wondered why the taped blade is curved?
13:55Well, it helps to keep it rigid when extended.
13:59Pay a closer look at the blade.
14:01Apart from numbers and markings, there are also black diamonds.
14:05Those are there every 12.2 inches,
14:08and they're useful for construction workers to space engineering joists.
14:13They can also be useful for you if you want to hang something heavy, for example.
14:17The diamond will mark the exact center of a stud, which is placed 16 inches apart from one another.
14:24And you can drill something to that center to make sure whatever you hang is safely attached.
14:30Now, most coins have ridges.
14:32And this is the legacy of the olden days.
14:35You see, back in the day, all coins were linked to a silver standard.
14:39The amount of silver used in a coin was proportionate to the value of the coin.
14:43So, the more actual silver was used to make the coin, the higher its value was.
14:49Hi-ho silver!
14:50Do you remember the Lone Ranger?
14:52Silver was the name of his horse.
14:54Eh, never mind.
14:55Anyway, all the coins had precious metal in them,
14:58and some people started shaving off a little bit of silver from it.
15:03It wasn't noticeable on one, but if done on several,
15:06people could get quite a bit of that precious metal.
15:09So, to prevent fraud, the edges were made with ridges for security reasons.
15:14So, if someone attempted to shave it off, the ridges would disappear,
15:18and no one would accept that coin anymore.
15:20Smart!
15:22Today, no one makes coins out of silver.
15:24The coins just represent the value.
15:26But the ridges are kind of a cultural heritage now.
15:29And finally, a typical plastic milk jug often has inverted circles on one or more of the sides.
15:36Not like alien crop circles, this dimple is there to make the jug more resistant
15:41and to prevent it from erupting in case the jug falls on the floor.
15:45The dimple gives some more space for the liquid to expand.
15:49Also, as the expiration date approaches, the microbes in the milk start to expel some gases.
15:55As there are more of them trapped inside, the pressure in the jug is rising.
15:59The dimple takes care of the expansion and prevents the jug from exploding.
16:03And the cows are utterly delighted that their hard work is not wasted.
16:13You must have noticed those lines on some kinds of chips.
16:16For one thing, they help with the distribution of spices and seasonings.
16:20In other words, all those substances that make your chips taste like cheese
16:25are mostly stored inside the lines.
16:28Plus, the lines make chips crunchier.
16:32Some cars have a tiny coffee cup sign on their dashboard.
16:36It's the vehicle's anti-drowsiness mechanism.
16:40There are manufacturers that equip their cars with a drowsiness detection system.
16:46It analyzes the speed, wheel angle, and lane deviations
16:50to figure out if it's time for the driver to take a break.
16:53If it is, the vehicle makes several audio signals
16:57and the coffee cup sign starts to flash.
17:01Some plastic milk containers have dents on their sides.
17:05These dents serve several purposes.
17:09For one thing, when milk spoils,
17:11this process usually causes swelling and high pressure buildup inside the container.
17:16That's when the dent comes in handy.
17:18It pops out and doesn't let the jug blow up.
17:22Plus, if you decide to freeze the milk,
17:25it will expand like any other liquid.
17:28And then again, the indentation will pop out
17:31and prevent the container from breaking inside your freezer.
17:35You might have wondered why jerry cans have three handles.
17:39It's a clever designer move.
17:42This way, if you carry the container alone,
17:45you can use only the central handle to distribute the weight evenly.
17:49But if your friend wants to help you out,
17:52each of you can grab the side handle.
17:55The first jeans had a problem.
17:58Workers and miners, who were the original jeans wearers,
18:01put too much pressure on the poor piece of clothing.
18:04As a result, the seams couldn't withstand the stress and tore.
18:10Tiny metal studs were invented to prevent this from happening.
18:15Sticky notes come off relatively easily
18:17because their adhesive is spread out across the paper unevenly in small blobs.
18:23And only some of these blobs touch the surface of whatever you've stuck the note on.
18:28That's why when you unstick a post-it and attach it to something else,
18:32it still works until all the glue gets used or covered with dirt.
18:38Soda bottles are always filled in such a way
18:41that there's some space between the liquid and the cap.
18:45That's because soda contains carbon dioxide.
18:48It's a gas that can expand once a bottle is heated.
18:52If there's no gap in the bottle,
18:54it can break because of the pressure building inside.
18:58Also, when you open your drink,
19:00the gases go out in the form of bubbles,
19:02and the drink is likely to overflow.
19:05The gap helps with this problem too.
19:09Dental floss is super useful for your teeth,
19:12but it might be rather hard to operate.
19:14It regularly slips out of your fingers and tangles.
19:19To avoid these problems,
19:20tear off a piece of dental floss
19:22and tie its two ends together.
19:25It'll be much easier to use and won't hurt your fingers.
19:30Now, about those horizontal lines on plastic bottles.
19:34They help hold bottles up.
19:36Some bottles are produced from soft plastic.
19:40Without the lines, they wouldn't keep their shape.
19:43Instead, they would twist easily or even break.
19:48The soft, round part under a soda bottle cap
19:51keeps the carbonation from escaping.
19:54Without it, your pop would go flat in no time,
19:58probably even before you buy it.
20:01If you don't have anywhere to put a toothpick after using it,
20:05break off its flat end at the first groove
20:08and place it on the table.
20:10Now, you can balance the used portion of your toothpick
20:13on the grooved part
20:14so that it doesn't have to touch the table.
20:17You can also make a makeshift stand
20:20for disposable chopsticks.
20:22They have a sort of lump on one side.
20:24Break that lump off before you split the pair.
20:28Now, when you want to take a sushi break,
20:31just place the stick on this stand.
20:36Donuts are shaped like rings
20:37because otherwise, they might get overdone at the edges
20:41but uncooked and gooey inside.
20:44With a hole in the center,
20:46both the outside and the inside get ready at the same time.
20:51Ever notice that layer of clear fluid in gel pens?
20:55It's called the ink follower or stopper fluid.
20:59The gel in such pens contains pigment particles
21:03dissolved in a polymer solution.
21:06The gel should be thick enough
21:07to keep the pigment particles suspended
21:09but also thin enough to flow first onto the ball
21:12and then the paper.
21:15The main task of the stopper fluid
21:17is to be a barrier
21:18to prevent the gel from evaporating or leaking out.
21:22Without this transparent fluid,
21:24your gel pen wouldn't function.
21:26The fluid always stays in one position
21:29and doesn't get dissolved with the gel.
21:32Neither does it move backward
21:33or flow out of the pen.
21:36Some button-down shirts
21:38have a button hidden on the back of the collar.
21:41Its main purpose
21:42is to prevent the tie
21:44from sticking out from under the collar.
21:47As for that locker loop on the back,
21:50you can use it to hang the shirt on a hook
21:53to avoid wrinkling it.
21:56Outer rings and zipper sliders,
21:58especially when two sliders are used together,
22:01are added so that you can connect them with a lock
22:03and keep sticky fingers away.
22:07Most ambulance cars have this word
22:10printed on the front of the vehicle.
22:12That's the word ambulance backward.
22:15It's written in reverse
22:16so that the driver in front of the ambulance
22:19can see the word properly in their rearview mirror.
22:22Then they can move out of the way
22:24and let the ambulance pass.
22:28Escalator brushes serve an important safety purpose.
22:31You might have heard that most accidents happen
22:34after people get their bags or clothes stuck in escalators
22:37because they stand too close to the sides.
22:41But when there are nylon brushes on both sides,
22:44you can't but keep your feet away
22:45from the escalator's skirt panels.
22:47The result?
22:48No accidents.
22:51The side holes in sneakers are for laces.
22:55Since sneakers were originally invented for basketball players,
22:59this interesting design allowed them to accommodate any player's foot.
23:04They just needed to lace their sneakers in the most comfortable way for them.
23:08The holes in the bottoms of your earphones allow air to circulate up and through the speakers.
23:15It helps to increase low frequencies,
23:18making the bass sound deeper.
23:20The quality of the sound also becomes much better.
23:24Ever been stranded with a cup of applesauce but no spoon at hand?
23:29But each snack pack already has a built-in spoon.
23:33Several twists of the foil lid and here you go!
23:39Diamond slits on backpacks were originally placed only on traveler bags.
23:44Their purpose was to carry ropes.
23:47These days, you can find such slits on almost every backpack.
23:52Why not use them to carry a bottle of water,
23:54an umbrella, or a pair of sneakers?
23:58Highlighters are filled with a special semi-transparent fluorescent ink
24:02that can glow in dim light.
24:05Yellow and light green hues are the most popular
24:08because they don't prevent you from seeing the text
24:11after black and white photocopying.
24:15Photocopiers perceive yellow and light green marks
24:17as almost non-existent and don't print them.
24:22A stop sign has an octagonal shape
24:24to help drivers recognize it easily,
24:26even if they see it from the back.
24:29When the signs weren't reflective yet,
24:31this shape prevented drivers from confusing the stop sign
24:34with any other night.
24:37The number 57 on a Heinz ketchup bottle
24:40has nothing to do with the product label.
24:43The truth is that the place with the numbers
24:46is the very sweet spot you should tap
24:48to get the ketchup flowing.
24:50So, stop hitting the bottom of your sauce bottle
24:53and hit 57.
24:56Lots of private houses have triangular-shaped roofs
25:00because this allows rain, snow, and fallen leaves
25:03to slide off the slope.
25:05If all this stuff piled up on top of your house,
25:08one day, your roof would collapse.
25:13Airplane windows have rounded edges
25:15and that's a crucial safety measure.
25:17It prevents aircraft accidents.
25:21Weak spots are usually situated in the corners.
25:24If airplane windows were square or rectangular,
25:27each of them would have four potential weak spots.
25:30Under pressure, they would collapse.
25:35How many hidden features are there in your car
25:38that you have never heard of?
25:40Most cars these days have everything color-coded
25:43under their hoods.
25:44It makes it way easier to know what you need
25:46to supervise between services.
25:49Like the dipstick, the oil cap, or the coolant.
25:53You can even have a look at the brake and washer fluid.
25:56Anything else that's black or gray,
25:59just leave it to the mechanics.
26:02Ever seen a snowflake light
26:04on the dashboard of your car?
26:06It's not there to let you know
26:07the winter holidays are coming
26:09if that's what you're thinking.
26:10It's actually a sensor
26:12that indicates the exterior ambient temperature.
26:15It gets activated and pops up the light
26:18whenever there's a road warning
26:19due to a sharp drop in temperature.
26:23It may sometimes even come on
26:25with an audio warning or a message on your dashboard
26:27to warn you that the roads may be getting icy.
26:30So you can either adapt the speed
26:32or change to the appropriate tires if necessary.
26:36Most cars come with added features
26:39for the summertime too,
26:40like those neat sun visors.
26:42Yours might have an added bonus
26:44you might want to check out.
26:46We all know they twist to help the driver out
26:48when the sun is not shining from the front.
26:50But some of them can also extend
26:52so they can provide shade to a larger area.
26:57If you figure out your sun visor doesn't extend,
27:00there's a simple solution though.
27:02Buy a sun visor extender.
27:04You can even find them online.
27:06They work by being attached
27:08to your existing sun visors or windows
27:10for better shade coverage and visibility.
27:14Let's find some hidden features at home.
27:17It's not rocket science,
27:18but there is a wrong way to make ice in the freezer.
27:22And that's because you're probably not using
27:24the ice cube tray correctly.
27:26They come with that particular shape
27:28because you need to fill the trays
27:30until there's a layer of water on the top.
27:33This layer will help remove the cubes faster from the tray
27:36because it will crack when twisted
27:38and leave each cube poking out.
27:40You can then grab them in no time
27:43and enjoy your drink.
27:45If you find that the heat on your oven is too high
27:48or you need to cook some delicate dishes
27:50that require more control over the temperature,
27:53there's an easy way to adjust that.
27:56The knobs on your oven
27:58should come with calibration screws on their backs.
28:01Pop out the plastic knob
28:03and adjust it to your preferences.
28:05Be sure to disconnect the oven
28:07from any energy source before doing it.
28:10Do you know what your stove
28:11and your car have in common?
28:14They both have hoods that you can open
28:16if you need to have a peek
28:17or if they need some cleaning.
28:20If you look closely at the top of your kitchen stove,
28:23you will see two hinges located on the back corners.
28:27You'll be able to easily lift it up
28:29and clean out all the grime
28:30that's been stuck in there.
28:32Ever wondered why glue doesn't stick
28:35to the inside of the bottle?
28:36The answer is a bit more complex,
28:39depending on the type of glue.
28:41But the simple response is,
28:43well, it doesn't have any air in there.
28:46PVA glue contains some molecules
28:49called polymers and water.
28:51When the glue is out,
28:53the water evaporates,
28:54leaving just the sticky polymers behind.
28:58Things are more or less
28:59the other way around with superglue.
29:01It has a chemical that solidifies
29:04as soon as it hits water vapors in the air.
29:08Did you know Microsoft Word
29:10has a feature that you can use
29:11for references and a bibliography?
29:14It's not only helpful
29:15for keeping track of everything,
29:16but it also automatically formats
29:19all the information accordingly.
29:22If you like to surround yourself
29:23with as many houseplants as possible,
29:26here's an easy way to figure out
29:28if they need watering.
29:29Stick your fingers into its soil.
29:32It should give you a better idea
29:34than simply looking at the plant's surface.
29:36If you can reach two to three inches
29:38into the soil and feel its dry,
29:40the plant most likely needs some hydration.
29:44However, this trick does tend to work better
29:47with smaller potted plants
29:48because of the limited depth.
29:50In any case,
29:51it's always best to research the plant's needs
29:53in terms of watering and sunlight
29:55before committing to a plant.
29:57And always be careful not to damage its roots.
30:02Be honest,
30:03you indeed have clothes you wear all the time
30:05and some that just sit there
30:07in the back of your closet
30:08that you've most likely forgotten about.
30:10Here's a neat way
30:11to figure out which one is which.
30:13For starters,
30:15you'll need to turn
30:15all of your hangers backwards.
30:17If you really feel like
30:19putting more effort into this project,
30:21you can wrap some pieces
30:22of electrical tape on the hangers
30:24and write the start date on each.
30:26After that,
30:27everything is pretty self-explanatory.
30:30Each time you wear a particular item,
30:32turn the hanger around,
30:34making it face forward.
30:36After six months or a year,
30:38all those items
30:39that have yet to be turned around
30:40should go to donations
30:42or yard sales.
30:44Another great way to use hangers
30:46to help you with your wardrobe organization
30:47is to use them for your scarves.
30:50They will be wrinkle-free,
30:52but you can also see them a lot better
30:53and have a clear view of the scarves
30:55you actually use
30:56and those you should let go of.
31:00If you're looking to increase the storage space
31:02in your wardrobe,
31:03especially when the season changes,
31:05go pick yourself up
31:07some vacuum-packed storage bags.
31:09After that,
31:10you just need to fold your garments
31:12or other pieces of laundry,
31:14like bedding,
31:14or blankets for example,
31:16and place them in the bags.
31:19Turn on your vacuum cleaner,
31:21place the nozzle on the bag seal,
31:23and remove all the extra air from the bag.
31:25It helps with reducing the storage size of clothes
31:28and keeps the clothes clean,
31:30dry,
31:31and moth-free.
31:33Should you have an empty basket lying around
31:35and you aren't sure
31:36if you want to recycle it just yet,
31:38you can always repurpose it as a cool lamp.
31:41Wicker baskets work best for this.
31:44Just cut a small hole in the bottom of the basket
31:46and place a pendant-like kit there.
31:49You can even paint it manually
31:50or spray paint
31:52if you need it to be in a particular color.
31:54Another way to neatly repurpose things around the house
31:57is to use leftover cookie jars
31:59to store dryer balls,
32:00but the sky's the limit here.
32:03You can also use dryer sheets
32:05to remove dust from screens around your house,
32:08like computers,
32:09laptops,
32:09or TVs.
32:11These items are electrically charged,
32:13so they generally attract a lot of dust particles.
32:17Dryer sheets are made to reduce static cling,
32:20so they won't only remove the dust
32:22but also help keep it at bay
32:24for a longer period of time.
32:26Dryer sheets also help out
32:28if you're having a bad hair day,
32:29believe it or not.
32:30They can seriously help out taming flyaways
32:33whenever your frizz just gets out of control.
32:37Run one of those dryer sheets
32:38from the roots of your hair
32:39all the way down to the tip
32:41and be amazed.
32:43If there's a particular type of soap bar
32:45you like the smell of
32:47and want to replicate that
32:48on your clothes too,
32:49pick up one of those bars
32:51to make a day's clothes fresher.
32:54Place it in a fabric
32:55and place it anywhere between your clothes.
32:57Your shirts should smell awesome
33:00every time you pick them up.
33:01You can also save on fabric softener.
33:05I don't know about your washing machine,
33:07but mine does love to jump,
33:09I'll tell you that.
33:10If yours tends to run out of its designated place,
33:13especially during those intense spinning cycles,
33:16it happens because it's not perfectly fixed to the floor.
33:20The good thing is that most modern washing machines
33:23can self-level since they come with a pair of legs.
33:26Just lift the back of the device
33:28off the surface area it sits on
33:30and it will drop them,
33:32locking them into place once it's perfectly leveled.
33:41What's hiding inside Coca-Cola cans
33:43and regular household batteries?
33:45Why do magnets affect breakfast cereals?
33:49Do crosswalk buttons actually work
33:51or are they just useless decorations?
33:54What does that USB symbol really mean?
33:58I'm not sure I know the answers to these
34:00and similar questions,
34:02but I'm eager to learn the truth together with you.
34:05Let's find it out.
34:06Coca-Cola cans have a secret few people know about.
34:10Here's a Coke can.
34:12Let's submerge it in a highly corrosive alkaline solution.
34:16The aluminum dissolves due to a process known as hydrolysis
34:20and we can see a plastic liner inside the can.
34:22It's made from a polymer or epoxy resin
34:25and serves as some kind of a protective barrier
34:28between the aluminum walls of the can
34:30and the rather acidic soda.
34:33Despite a popular myth,
34:36household batteries don't actually contain liquid
34:38and if you accidentally cut them open,
34:40no toxic liquid will spill.
34:42Most of them are dry cell batteries
34:44which are made of electrochemical cells.
34:46Those convert chemical energy into electrical energy.
34:50Larger batteries often house numerous small cells within them too.
34:55Even Tesla vehicle batteries consist of multiple small cells.
34:58When combined, they easily provide the necessary voltage.
35:04Most toothbrushes have differently colored bristles
35:07but they aren't just pleasing to the eye.
35:09Those bristles, often blue, have a functional purpose.
35:13They're called toothbrush indicators
35:14and their colors fade as you use the brush.
35:17The American Dental Association recommends
35:20changing your toothbrush at least four times a year.
35:23And by getting paler,
35:24these bristles help you figure out
35:26when it's time to replace your toothbrush.
35:29You'll probably agree that there's no better snack
35:31than a pack of chips.
35:33Some are flat, others have ridges.
35:35Is it just aesthetics?
35:38Not really.
35:39The main purpose of those lines on some kinds of chips
35:42is to help with the distribution of spices and seasonings.
35:45In other words,
35:46all those substances that make your chips taste like cheese
35:48are mostly stored inside the lines.
35:51Plus, the lines make chips crunchier.
35:55Now, this one might be a surprise
35:57but some breakfast cereals are magnetic.
36:00That's because they're often fortified with iron
36:02in the form of a fine powder.
36:04Due to the added iron,
36:06cereal flakes get attracted to magnets.
36:08All this may sound kinda alarming
36:10but in reality,
36:12the iron content in the flakes is minimal
36:14and doesn't pose any threat to your health.
36:17That clear fluid in gel pens
36:19is called the ink follower or stopper fluid.
36:22The gel in such pens contains pigment particles
36:25dissolved in a polymer solution.
36:27The main task of the stopper fluid
36:29is to be a barrier
36:30to prevent the gel from evaporating or leaking out.
36:33Without this transparent fluid,
36:35your gel pen wouldn't function.
36:38The fluid always stays in one position
36:40and doesn't get dissolved with the gel.
36:42Neither does it move backwards
36:44or flow out of the pen.
36:47Many pedestrian crosswalk buttons,
36:50namely in New York,
36:51are placebo buttons.
36:52They do literally nothing when you press them.
36:56Originally, they were functional
36:57after being introduced in 1964
36:59but today,
37:00most of them don't affect traffic lights
37:02which are programmed
37:03based on the real needs of the traffic flow.
37:06Why do such buttons even exist then?
37:08It's a simple psychological trick
37:11providing you with an illusion of control.
37:14You might have noticed
37:16that movie theater seats
37:17are almost always red.
37:19This choice isn't random.
37:21It has strategic importance
37:22which is rooted in visual science.
37:25The thing is,
37:26red light has a longer wavelength.
37:28It means that it's the first color
37:29to disappear in low light.
37:31It allows the audience
37:32to concentrate better on the screen
37:34once the movie begins.
37:35Such a design choice
37:36enhances the viewing experience
37:38by minimizing distractions.
37:41Speed bumps are crucial
37:43for pedestrian safety
37:44but at the same time,
37:46they can seriously increase car emissions
37:48due to the non-stop acceleration
37:50and deceleration they cause.
37:53To address this issue,
37:55some cities like London
37:56are testing fake speed bumps.
37:58Those are optical illusions
37:59painted on the road.
38:01They look raised
38:02from a driver's perspective
38:03but in reality,
38:05they're flat.
38:06Authorities hope that this approach
38:07will slow down drivers
38:08without having a negative impact
38:10on the environment.
38:13Soda bottles are always filled
38:15in such a way
38:16that there's some space
38:17between the liquid and the cap.
38:19That's because soda contains
38:20carbon dioxide.
38:21It's a gas that can expand
38:23once the bottle's heated.
38:25If there's no gap in the bottle,
38:26it can break
38:27because of the pressure
38:28building inside.
38:30Also, when you open your drink,
38:32the gases go out
38:33in the form of bubbles,
38:34making the drink overflow.
38:35The gap helps
38:37with this problem too.
38:40The USB symbol,
38:42looking like a trident,
38:43has always sparked
38:44multiple speculations
38:46about its origin.
38:48One popular idea
38:49is that it represents
38:50Neptune's trident
38:51and symbolizes power
38:52and adaptability.
38:53But there's also
38:55a little bit less
38:56exciting theory.
38:57A man who claimed
38:58to have designed the symbol
38:59in the 1980s
39:01stated that it was supposed
39:02to represent connectivity.
39:03The large circle
39:04symbolizes a computer,
39:06while the attached shapes,
39:07the circle,
39:08the triangle,
39:09and square,
39:10stand for different outputs.
39:14The design of a tennis racket
39:15has a specific feature
39:17known as the throat.
39:18It's an open space
39:20below the head of the racket.
39:22This space isn't just
39:23for storing balls,
39:24it also improves
39:25the racket's aerodynamics
39:26by letting air pass through.
39:28It seriously reduces drag
39:30during swings.
39:33Speaking of tennis,
39:34tennis courts are usually
39:35built with a north-south
39:37orientation.
39:38It helps minimize
39:39the impact of the sun's
39:40position during the game,
39:42ensuring that neither player
39:43has the sun directly
39:44in their eyes.
39:46Look closely
39:48at a tram's overhead lines,
39:49and you'll see
39:50that its contact wires
39:51zigzag back and forth
39:53instead of going
39:54in a straight line.
39:55That's because all trams
39:57have pantographs
39:58attached to their roofs.
40:00The upper part
40:01of the pantograph
40:01is gradually worn down
40:03by the overhead wire
40:04and eventually
40:04needs to be replaced.
40:07To wear it down evenly,
40:08the wire is not installed
40:10strictly along the tram's path,
40:12but in zigzag patterns.
40:14As the tram moves,
40:16the pantograph slides
40:17along the wire,
40:18and it wears down evenly.
40:21Those cone-shaped
40:22water cooler cups?
40:24Their shape is
40:25intentionally designed
40:26to prevent users
40:27from setting the cups down.
40:29This allows employees
40:30to minimize the risk
40:31of spilling water
40:32on their desks
40:33around various
40:34electronic devices.
40:35Plus, less material
40:37is used to produce
40:38cone-shaped cups,
40:39which makes the process
40:40less wasteful
40:41and more cost-effective.
40:43It also kind of
40:44supports sustainability
40:45by encouraging people
40:46to drink their water quickly
40:47and dispose of their cups
40:49immediately after.
40:52Most suitcases
40:53have two zipper pulls,
40:55and it serves
40:56several purposes.
40:57First of all,
40:58if one zipper fails,
41:00the other can keep
41:01the suitcase closed.
41:02Even better,
41:04having two zippers
41:05allows you to have
41:06easier access
41:06to small sections
41:07of your suitcase
41:08without having to
41:09open it entirely.
41:11And finally,
41:12when you have two zippers,
41:14you can connect them
41:15with a padlock
41:16for increased security.
41:19Some plastic milk containers
41:21have dents on their sides.
41:23These dents
41:24serve several purposes.
41:25When milk spoils,
41:27it usually causes swelling
41:28and high-pressure buildup
41:29inside the container.
41:30That's when the dent
41:31pops out
41:32and doesn't let
41:33the jug blow up.
41:34Plus,
41:35if you decide
41:36to freeze the milk,
41:37it will expand
41:38like any other fluid.
41:39And then again,
41:41the indentation
41:42will pop out
41:42and prevent the container
41:43from breaking
41:44inside your freezer.
41:47If you ever had
41:49a problem figuring out
41:50why fake pockets exist,
41:52you need to hear this.
41:54The main reason
41:55is that if a clothing item
41:56has a specific cut
41:57or shape,
41:58pockets may spoil it.
41:59They can alter
42:00the item's shape
42:01either in the warehouse
42:02or already on
42:04the retail rack.
42:05The solution?
42:06Getting rid of the pockets
42:07in key areas.
42:09Plus,
42:10fake pockets
42:10are obviously cheaper
42:11and they don't get
42:12stretched out.
42:15The thermos
42:16wasn't actually invented
42:17to keep your coffee warm.
42:19It was made
42:20by a Scottish scientist
42:21who wanted
42:22a safe place
42:22to keep his chemicals
42:23at a stable temperature.
42:26So,
42:26he took two bottles,
42:28put the smaller one
42:28inside the bigger bottle
42:30and vacuumed out
42:31the air between them.
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