- 1 day ago
Maximize your food's freshness by discovering the often overlooked features of your refrigerator. Many people underestimate the power of their appliance's drawers and settings, which are actually designed to optimize airflow, humidity, and storage efficiency. In this video, we reveal the secret adjustments that can transform your kitchen experience and keep your food at its best for longer. Don't miss out on these game-changing tips!
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00:00You're trying on a pair of jeans, a dress or a jacket, and are about to dig your hand into
00:05the pocket when you realize there's no depth to it.
00:08The pocket is simply not there.
00:11But why would anyone create pockets you can't put anything in?
00:15And now would be a good time to pick your iPhone up from off the floor.
00:19Well, the reason for fake pockets is simple.
00:22If a clothing item has a specific cut or shape, pockets may spoil it.
00:27They can alter the item's shape, either in the warehouse or already on the retail rack.
00:32The solution? Getting rid of pockets in key areas.
00:36Plus, fake pockets are obviously cheaper, and they don't get stretched out.
00:41Interestingly, this practice goes back to the 17th century.
00:45That's when pockets were actually removable.
00:47They resembled small bags, and women, for example, could move them from one outfit to another.
00:53Unfortunately, it was also very convenient for pickpockets.
00:57They could grab such a pocket and run off with it.
01:00Then clothes became more streamlined, and slim pockets started to be sewn right into them instead of attachable bags.
01:07This was believed to make the shape of a person's silhouette more alluring.
01:12But soon, slimmer skirts came into fashion, and pockets went out of it.
01:17And people started using handbags instead.
01:20These days, most pockets are real.
01:23But some of them are still fake.
01:25So, how can we make sure that we don't actually turn a fake pocket into a hole, thinking it's a
01:31real one?
01:31Well, first of all, take a look at the stitching along the edge of the pocket, where it's supposed to
01:36open up.
01:37If you see a single loose thread, just snip a piece of it and start pulling gently.
01:42If the pocket is real, the thread will easily come out.
01:46But if you feel that the stitching won't budge, most likely, you have a faux pocket on your hands.
01:52If this is the case, just leave it be.
01:55Now, let's move on to some other everyday objects that may be hiding some secrets.
02:01For example, those lines on some kinds of chips.
02:04For one thing, they help with the distribution of spices and seasonings.
02:08In other words, all those substances that make your chips taste like cheese are mostly stored inside the lines.
02:15Plus, the lines make chips crunchier.
02:19Highlighters are filled with a special semi-transparent fluorescent ink that can glow in dim light.
02:25Yellow and light green hues are the most popular because they don't prevent you from seeing the text after black
02:31and white photocopying.
02:33Photocopiers perceive yellow and light green marks as almost non-existent and don't print them.
02:39Now, back in the day, the first jeans had one problem.
02:43Workers and miners, who were the original jeans wearers, put too much pressure on the poor piece of clothing.
02:49As a result, the seams couldn't withstand the stress and tore.
02:53So, tiny metal studs were invented to prevent this from happening.
02:58Most metallic zippers have a hidden lock inside them.
03:01That's why you shouldn't leave the zipper handle in an upward position.
03:05When you pull it downwards, it automatically locks.
03:08It's all thanks to several tiny grooves hidden underneath the handle.
03:13Now, about those horizontal lines on plastic bottles.
03:16They help hold bottles up.
03:18Some bottles are produced from soft plastic.
03:21Without the lines, they wouldn't keep their shape.
03:24Instead, they would twist easily or even break.
03:27Bath foam isn't only for fun or a nice smell.
03:30It helps regulate the temperature, too.
03:32The bubbles keep the water hot, and you can enjoy your bath a bit longer.
03:37With or without your rubber ducky.
03:40Ever notice that layer of clear liquid in gel pens?
03:44It's called the ink follower, or stopper fluid.
03:47The gel in such pens contains pigment particles dissolved in a polymer solution.
03:52The gel should be thick enough to keep the pigment particles suspended,
03:56but also thin enough to flow first onto the ball and then the paper.
04:00The main task of the stopper fluid is to be a barrier to prevent the gel from evaporating or leaking
04:07out.
04:08Without this transparent fluid, your gel pen wouldn't function.
04:11The fluid always stays in one position and doesn't get dissolved with the gel.
04:16Neither does it move backward or flow out of the pen.
04:19The holes in the bottoms of your earphones allow air to circulate up and through the speakers.
04:25It allows to increase low frequencies, making the bass sound deeper.
04:30The quality of the sound also becomes much better.
04:33Some plastic milk containers have dents on their sides.
04:36Try as they might, they just cannot park without some damage.
04:40Nah, I made that up.
04:42These dents serve several purposes.
04:44For one thing, when milk spoils, this process usually causes swelling and high-pressure buildup inside the container.
04:51Oh boy.
04:52That's when the dent comes in handy.
04:54It pops out and doesn't let the jug blow up.
04:57Plus, if you ever decide to freeze the milk, it will expand like any other liquid.
05:02And then again, the indentation will pop out and prevent the container from breaking inside your freezer.
05:08That's a good thing.
05:10Airplane windows have rounded edges, and that's a crucial safety measure.
05:15It prevents aircraft accidents.
05:17Weak spots are usually situated in the corners.
05:20If airplane windows were square or rectangular, each of them would have four potential weak spots.
05:26Under pressure, they would collapse.
05:29If you look closely at a tram's overhead lines, you'll see that its contact wires zigzag back and forth instead
05:36of going in a straight line.
05:38The thing is that all trams have pantographs attached to their roofs.
05:42The upper part of the pantograph is gradually worn down by the overhead wire and eventually needs to be replaced.
05:49To wear it down evenly, the wire is not installed strictly along the tram's path, but in zigzag patterns.
05:56As the tram moves, the pantograph slides along the wire and it wears down evenly.
06:02You might have wondered why some gas cans have two holes with caps, one bigger and one smaller.
06:09Before, I thought that the little hole was used when you poured something into a smaller container.
06:13But I was wrong.
06:15A very infrequent occasion.
06:17In reality, you're supposed to uncap it before you pour the gas inside the bigger hole to prevent it from
06:23glugging and spilling on your clothes and on the ground.
06:27Most of the buttonholes on a shirt are vertical, but the top and sometimes bottom ones are horizontal.
06:34The reason is simple.
06:35These two buttons slip out more often than others.
06:38Luckily, producers have found the solution that can prevent these buttons from slipping out.
06:43Horizontal buttonholes.
06:45What engineering!
06:46Buttons tend to slip out less from such buttonholes.
06:50Sticks sachets of sugar or salt are easier to open than many people think.
06:54There's no need to tear off one of the ends.
06:57The right way is actually to tear them down the middle.
07:01Some boots have loops sticking out on the back.
07:04Their main purpose is to help you pull your shoes on easier.
07:07Just tug on the loop while you're pushing your heel into the boot.
07:10You can also use these loops to hang your boots on a hook when they're dirty or when you want
07:16to dry them after washing.
07:17Or you can run your laces through the loop if you want to tie them around your ankle.
07:22When you're on board the plane, you might spot a little triangle over your seat.
07:27Such triangles show the flight crew the best spots to check the plane's flaps through the window, just in case
07:33they're flapping.
07:34If your shoes are really slippery, just take a bit of sandpaper and rub it on the soles for better
07:40traction.
07:41They'll become more grippy, and you'll be able to wear them out in the rain.
07:45Now, if they get too wet, they might turn griping.
07:48But that's only if you have talking shoes.
07:51If you drill several holes at the bottom of your garbage can, putting in and taking out trash bags will
07:57become much easier.
07:58You won't have any problems with suction.
08:01You can usually find some silica gel in bags, shoes, and many other things you buy.
08:07This shell absorbs excess moisture.
08:09Don't throw it away.
08:11Each time your shoes get wet, put a few packets of silica gel inside.
08:16The thermos wasn't actually invented to keep your coffee warm.
08:20It was made by a Scottish scientist who just wanted a safe place to put his chemicals at a stable
08:25temperature.
08:26So, he took two bottles, put the smaller one inside the bigger one, and vacuumed out the air between them.
08:33Well, anyway, thanks for the hot coffee!
08:38Many shirts have two buttons on the cuffs, but only one buttonhole.
08:43So, what is the second button for?
08:46Turns out you can use it whenever you're wearing a watch, so the cuff is looser.
08:52Most clothing items you buy come with a small bag of fabric or a button, or both.
08:58Buttons obviously can be used as a replacement if you lose the original ones.
09:02Pieces of fabric can be used to patch up a hole, but, most importantly, it's a tester.
09:07You can use it to test different washing products on it and see what happens to the fabric.
09:15Some umbrellas have a tip at the top, and it turns out it's not just a pretty design.
09:20When going inside on a rainy day, you should just close your umbrella and tap the tip against the floor
09:26to drain the water faster and more effectively.
09:30Many backpacks have this diamond with two parallel cut-out slits on its front, and it's there for your comfort.
09:38You can attach something to it, like a water bottle or shoes.
09:42It comes especially handy if you travel somewhere or go hiking, so you don't have to hold your stuff.
09:49Okay, the next thing is gear loops, and probably from the name of it, you already have an idea what
09:55they're there for.
09:56You can strap in some useful gear you need to have with you, like trekking poles or shovels.
10:02Some gear will need to be secured to do it.
10:05Drop the handle through the loop and rotate it upward.
10:08Then, secure it with the elastic hook at the top, and you're golden.
10:13On the back of many makeup and hygiene products, you can find this symbol with a marking, like 6M, 12M,
10:21and 24M.
10:23This is the number of months this product can serve after you open it and before you should throw it
10:29out.
10:31The two sides of a cotton pad are different because each of them has a particular purpose.
10:37A cotton pad has several layers to ensure that it's soft, strong, and can absorb liquids.
10:43The edge is stitched to hold it all together.
10:46The smooth side of a pad is for applying products, like tonics and lotions.
10:51And the embossed side is best for cleansing and makeup removal.
10:57Also, any pack of cotton pads has those strings on the sides.
11:01They're there so you can hang the package somewhere.
11:04Then, you can open the package at the bottom, where the perforated line is, and take them out.
11:11Did you know that there is an efficient way to pull a thread from yarn?
11:15When you pull from the outside, the yarn rolls away, so you need to hold it.
11:19However, if you pull it from the center, it will stay together.
11:24We're all familiar with staplers, but I bet you don't know all its secrets.
11:29Most staplers have a compartment to store spare staples, which can be located either on top or at the bottom.
11:37Also, surprise!
11:39This metal plate you press staples against can be turned around.
11:43This way, the device will be able to staple your documents by turning the metal ends outwards.
11:50No need to wonder whether you need to get a smaller or bigger container.
11:54Turns out, plastic food containers have volume measurements on their bottoms, indicating how much food they can fit.
12:02Ceiling fans come with a small switch on the inside of the blade.
12:05You might not have noticed it because it's not in plain sight, so check yours out.
12:10This switch allows you to change the direction of rotation.
12:14Now, why would you want to do that?
12:17The blades of a fan push the air in different directions, depending on the way they rotate.
12:22In the summer, you need the air to be pushed down to create the effect of a breeze.
12:28In the winter, the direction should be changed so that the air is pushed towards the ceiling.
12:33It then heats up before going down the walls.
12:38Have you noticed that the gas tank sign on cars' dashboards has a little arrow next to it?
12:45Well, this arrow has a purpose.
12:47It points at the side of the car where the gas tank is located.
12:51It's very useful for forgetful people who constantly wonder where the gas tank is,
12:56and also for those who drive rentals once in a while.
12:59The answer is right in front of your eyes.
13:01If you can't find the arrow on your panel, then the fuel hose on the icon indicates the side instead.
13:10All car tires have 12-digit numbers printed on them,
13:14and they're actually important codes for car owners if they want to get the right tire.
13:19The first letter identifies the type of tire.
13:22P stands for a tire for light passenger cars, and LT is for heavy vehicles.
13:28Then, the following numbers stand for the width of the tire, its radial, and its diameter.
13:36Measuring tapes have that metal stud on the end,
13:39which you can use to attach the tape to the surface you measure.
13:42This way, you don't need to hold it yourself.
13:45But there's also a small slot, which can be used to hang the tape on a nail,
13:51again to free your hands and keep measuring.
13:54The bottom of the end of the tape has a ridged edge.
13:58It will help you make a mark if you don't have a marking tool with you.
14:03On the tape, there are black diamonds that are placed every 19.2 inches.
14:08They're useful for construction workers when spacing engineering joists.
14:12They can also be useful for you if you want to hang something heavy, for example.
14:18The diamond will mark the exact center of a wooden joist.
14:22Those are placed 16 inches apart from one another.
14:25There, you can drill something to that center
14:28to make sure whatever you hang is safely attached to the joist
14:31instead of the unreliable thin wall.
14:34Pictures will survive, but it's particularly important if you're hanging something heavy.
14:40Did you know that batteries have an expiration date?
14:44Yes, it's printed right on their label, but I've never noticed it before.
14:49The expiration date doesn't mean you can't use it after that.
14:53It's more like a recommended usage period,
14:57after which the manufacturer can't guarantee full battery life
15:01due to deteriorated components.
15:05These little feet keyboards have are actually a standard.
15:10The height of a keyboard should be adjustable,
15:13allowing the angle between 0 degrees and 15 degrees.
15:18The reason to fold the feet out is for you to see the keys better,
15:23in case you don't type blindly.
15:25A little problem that comes with it is that, in this case,
15:29your wrists are bent,
15:31and it's not good to keep them in this position for a long time.
15:37Pans have those holes on the ends of their handles.
15:40They're not just there for you to hang them.
15:42You can also place your cooking spoon in there.
15:46It'll hang right above the pan,
15:48and the sauce will not spill around.
15:51Make sure to tap off the sauce or food beforehand, though,
15:55so that it doesn't go down the spoon's handle.
16:00Stickers with numbers you can find on fruits
16:02can tell you some information on how the food was grown.
16:07A four-digit code that starts with a four
16:10means that the fruit was grown conventionally,
16:14meaning it contains chemicals and pesticides.
16:18So your best choice should be a fruit with a five-digit number.
16:22And if you see the number nine,
16:25it indicates that the fruit is certified organic.
16:29On the bottom of plastic bottles,
16:32you can often notice a mark of a triangle
16:35with a number engraved in the middle.
16:38This number specifies the type of plastic
16:41that was used to produce the bottle.
16:44These codes help people and local recycling centers
16:48to sort returns.
16:50Products that were made of plastic of types 1 and 2
16:54are the easiest ones to recycle.
16:57Plastics of types 3 through 7 are tougher to recycle.
17:04The Queen's Guard all appear to have the same uniform,
17:07with a shared role of standing stoically for a long time.
17:11But if you look closely at their hats,
17:14there are five different types.
17:16The Grenadier has a white plume.
17:19The Coldstream has a red one.
17:21The Irish, a blue plume.
17:22The Welsh, green and white.
17:24And the Scots Guard has none.
17:28Their different divisions perform similar ceremonial duties
17:31at Buckingham Palace.
17:33But they have other actual roles as well,
17:35suited to their specialization.
17:38When peeling your boiled eggs,
17:40you can see a hidden layer under the shell.
17:42These two membranes, an inner and outer one,
17:45are made from the same stuff as your hair, keratin.
17:48It protects the inside from bacteria
17:50and stops liquids from escaping.
17:53You use X in your texts, which represents a kiss.
17:57It's been used this way for a very long time.
17:59Its original purpose dates back to the Middle Ages,
18:02where it was a representation of a person's faith,
18:05honesty and sincerity.
18:07Those that would sign off with an X
18:10would kiss it after signing as a display of a sworn oath.
18:14The X's meaning later changed to represent the action of kissing.
18:18And the first document showing this
18:21was a letter dating back to 1763,
18:24written by a naturalist, Gilbert White,
18:26who sent it to his wife.
18:29William Shakespeare is a name familiar to everyone.
18:32However, we don't know whether this was the actual way
18:35his name was spelled, and neither did he.
18:38He signed 80 different variations of his name spelling
18:42on all his works.
18:43Historians haven't a clue which the correct spelling is.
18:46The version that we know of was only used on two of his plays.
18:52Different forms of alarm clocks were invented as far back as 348 BCE,
18:57with many versions throughout the world,
19:00all with complicated mechanics.
19:02Unaffordable to mostly everyone,
19:04they didn't catch on.
19:06Alternate methods to wake up in the morning
19:08started to be used in the 1800s.
19:11One process involving knocker-uppers
19:14was common in some countries.
19:16A person visited your house every morning
19:18to knock on your door four times.
19:21Inventor Antoine Redier felt that he should be woken
19:24only when he felt it necessary.
19:26So, in 1847, he invented the first adjustable alarm clock.
19:32Tennis balls in Wimbledon must be kept at a perfect temperature
19:36to ensure they bounce at a consistent level.
19:39They're stored at 68 degrees Fahrenheit,
19:42so they're cold enough that the molecules inside the ball shrink,
19:45ensuring they bounce lower.
19:48Then, they're continuously swapped throughout a match
19:51as they expand by being hit too much,
19:53becoming too bouncy.
19:55Wimbledon goes through 50,000 tennis balls each year.
20:00You enjoy the smell of a freshly mowed lawn
20:03as you associate it with the weekends and summer.
20:06But that smell is a sign of stress made by the grass.
20:10Grass evolved to emit various elements
20:13when being eaten by bugs.
20:14This signal attracts predator insects to remove them.
20:18But unfortunately for the grass,
20:20there's nothing large enough to deter a lawnmower.
20:23There is no oxygen inside your packet of chips.
20:27If there was, it would influence the combination
20:29of molecules forming inside,
20:31spoiling the chips faster.
20:33The packets are instead filled with nitrogen,
20:36which pushes oxygen out.
20:38And this extends the shelf life
20:40and quality of your chips.
20:43You're traveling by plane overnight
20:45and just can't get to sleep.
20:47And the first night in a hotel wasn't great,
20:50regardless of how comfy the bed was.
20:53This is because of a human evolutionary trait
20:55called the first night effect.
20:59When you sleep in a different place than your home,
21:01the left side of the brain responds
21:03to more sounds while you're asleep.
21:05It continues to analyze your surroundings
21:07without you realizing,
21:09acting as though it's on a night watch
21:11and keeping you alert for any potential dangers.
21:14Most animals have this trait,
21:16although it's a lot more subtle in humans.
21:19But it's still effective enough
21:21to make sure you get your peanuts.
21:24Before playing basketball with hoops,
21:26you would have instead been playing with peach baskets.
21:29When the game was invented in 1891,
21:32a peach basket was used
21:33with the bottom of it cut off.
21:35But it only took 15 years
21:37for players to grow tired
21:38of constantly collecting the jammed balls
21:40and to remove the basket altogether.
21:43When you click your fingers,
21:45the snapping sound isn't
21:46from the physical click of finger and thumb.
21:49The noise actually comes
21:51from the finger hitting the palm.
21:54The instant film for the first Polaroid cameras
21:57didn't have their own coating
21:58after taking a photo.
21:59To develop it,
22:00you applied it yourself.
22:02Waiting for it to dry took a long time,
22:05so shaking it sped up the process.
22:07Then from the 1970s,
22:09the film provided everything required
22:11for the photo to develop,
22:12making the popular craze
22:13of shaking Polaroids pointless.
22:16Shaking the photo can cause the ink
22:18to wave or blur before drying properly,
22:21so you shouldn't actually shake it
22:22like a Polaroid picture.
22:24And just wait patiently instead.
22:27Bug spray doesn't repel all bugs,
22:30especially the worst of them all,
22:31mosquitoes.
22:32It does cover the scent of carbon dioxide,
22:35which is what attracts mosquitoes.
22:37But the spray only protects you
22:39for a short distance.
22:42Mosquitoes can also track carbon dioxide
22:44over long distances.
22:46They will continue to stalk you
22:47until they find a gap
22:48in your invisible bug shield.
22:51A great alternative is lavender,
22:53which contains linalool.
22:55This fragrance completely overloads
22:57the mosquito's senses,
22:58making it unable to track you.
23:01The half belt on the back of some jackets
23:04appear like a fashion accessory.
23:05It was initially designed that way
23:08for larger jackets,
23:09as they could also be used
23:10as a blanket to wrap around oneself.
23:13The belt's position helps
23:14hold the material together,
23:15so it's easier to walk with
23:17whilst keeping you warm.
23:20Ketchup wasn't originally intended
23:22to be your favorite condiment.
23:24In 1834, a physician, John Cook,
23:27sold ketchup as a cure for indigestion.
23:31It was an immediate hit,
23:33and today,
23:3410 billion ounces are purchased
23:35annually in the USA,
23:37although not as the intended medicine.
23:41Thomas Edison made over 1,000 inventions,
23:44and one in particular,
23:46the light bulb,
23:46is most famously linked to him.
23:48However, he didn't actually invent it.
23:51Warren Delarue,
23:53a British chemist,
23:54had solved this scientific challenge
23:5640 years earlier.
23:57There were also 20 other inventors
24:00who made alternate versions
24:01before Edison did.
24:03But earlier varieties
24:04relied on cotton thread
24:05and only lasted up to 14 hours.
24:08Edison, in 1880,
24:10used a carbonized bamboo thread instead,
24:13and his worked up to 1,200 hours.
24:16It became the most commercially viable light bulb,
24:19and today's ones are similarly shaped
24:21to Edison's original.
24:23The first treadmill was used
24:25in England in 1818.
24:27It was a large wooden cylinder
24:29with a handrail,
24:30although it wasn't used to keep fit.
24:33Convicted criminals would be forced
24:35to use these for up to 10 hours per day
24:38as a punishment.
24:39The energy output potential was realized,
24:42and soon it was built to work
24:44with water pumps and grain grinders.
24:46It was so effective
24:48that it was used in all prisons
24:49throughout the country.
24:50But in 1902,
24:52it was decided
24:52that it was too harsh
24:53and stopped.
24:55And now,
24:56this cruel punishment
24:57is mainly found in gyms.
25:00During the 1940s,
25:01there was a shortage of cocoa,
25:03and it was important
25:04to find a solution
25:05to this problem.
25:06A production company
25:07found a way
25:08by mixing only a small amount
25:10of cocoa
25:10with hazelnuts and milk,
25:12and the original Nutella
25:13was created.
25:15It started out
25:16as a loaf spread,
25:17like a stick of butter.
25:18It then transformed
25:20into a creamier version
25:21inside a jar in 1951.
25:23But it wasn't until 1964
25:25that it was given
25:26its famous name.
25:29Your passport might be
25:30a dark shade
25:31of either green,
25:32blue,
25:33or red.
25:34The darker color
25:35not only makes them
25:36appear more official,
25:37but is intended
25:38so that through its journeys,
25:39the dirt that's collected
25:40is more easily hidden.
25:43Wasabi was first used
25:45back in the 8th century.
25:47It wasn't meant
25:48as a spicy condiment
25:49as it's served
25:50with sushi today.
25:52Initially,
25:52it was used
25:53for its antimicrobial properties
25:55that help avoid
25:56the harmful reactions
25:57to fish with sushi
25:58that's a bit too old.
26:03If you look at it
26:04on the street,
26:05you'll think a fire hydrant
26:06is about 3 feet in height.
26:08But the actual size
26:09of the device
26:09used to provide water supply
26:11to firefighters
26:11all over the world
26:13is twice as large.
26:14That is,
26:15if you count the rest
26:16of the hydrant,
26:16which is hiding underground.
26:18They're mostly red,
26:19and it's not just a matter
26:20of urban design.
26:21First of all,
26:22they need to be of bright,
26:23easily noticeable colors
26:24so firefighters can spot them
26:26fast when they need to.
26:27The choice of color
26:29depends on how much water
26:30the hydrant can hold.
26:31It can sometimes vary
26:33depending on the location,
26:34but here's the breakdown.
26:35A red fire hydrant
26:37can splash 500 gallons
26:38of water per minute,
26:40while an orange one
26:41at least 1,000 gallons.
26:44Green ones mostly process
26:461,500 gallons
26:47of water per minute,
26:48and the most plentiful ones
26:49colored blue
26:50can generally contain
26:51over 1,500 gallons.
26:54Hey bowling fans,
26:55isn't it super annoying
26:56when your bowling ball
26:57gets cracked?
26:58Turns out that most of them
27:00get damaged because of
27:01incorrect storage
27:02or spikes in temperature.
27:04Now come on and face it,
27:06since it's already cracked a bit,
27:07aren't you curious
27:08what's actually inside
27:09the bowling ball?
27:10Because I sure am.
27:11Let's have a look.
27:12They mostly make the inner core
27:14of the ball
27:14of powdered metal oxides,
27:16like calcium
27:17or iron oxide.
27:18They mix them with some resin
27:20and catalyst
27:20to harden the whole mixture.
27:22So that light bulb shape
27:24you now see inside of the ball
27:25is actually its heaviest part.
27:27It also influences
27:28how your bowling ball rotates
27:30when going down the lane.
27:32The same goes with spray paint cans.
27:34When you shake it,
27:35it makes a weird noise,
27:37but what is that thing in there?
27:38It's called a pea,
27:40and it's meant to hold
27:41the paint mixture in place
27:42and maintain its shape.
27:44They generally make it
27:45out of plastic,
27:45metal,
27:46or ceramic.
27:47It basically acts
27:48as a whisk
27:49to make sure your paint
27:50is well mixed together
27:51before you apply it
27:52to your surface of choice.
27:54Ever wondered
27:55how soda bottles
27:56keep that refreshing fizz
27:57for that long?
27:59Well,
27:59they have a little plastic ring
28:00fastened to the lid.
28:02They place it there
28:03to keep the gas
28:03from escaping
28:04and making the soda go flat,
28:06even if you shake it around
28:07in your bag the whole day.
28:10Speaking of things
28:11we use on a hot summer's day,
28:13wait, wait,
28:13don't put your baseball cap
28:14on just yet.
28:15Take a look at it
28:16for a minute,
28:17and you'll notice
28:18there's a small button
28:18on the very top.
28:20Is it functional
28:21or is it just there
28:22for the sake of design?
28:23Way back when people
28:24started using fabrics
28:25to cover their heads,
28:26some say the button
28:27was actually functional.
28:29Since it's on top
28:30of the cap
28:31where the fabric panels
28:32come together,
28:33the top button
28:33helps keep the cap crown
28:35in one single piece.
28:36Now,
28:37with recent advances
28:38in fabric and pattern design,
28:40the button is more
28:41of an aesthetic feature.
28:42It's used to cover up
28:43the joint point
28:44of the fabric panels.
28:45Your cap might not
28:46have a button at all,
28:47but don't you think
28:48a cap actually looks
28:49better with one?
28:51Cotton pads
28:52have two sides,
28:53and if you take the time
28:54to look at them carefully,
28:55they're actually
28:55different in texture.
28:57Just in case
28:58you've ever wondered why,
28:59the textured side
29:00is for applying makeup,
29:01and the even side
29:02is for removing it.
29:05Bookworms.
29:06This one is for you.
29:07Dust jackets
29:08that come with a lot
29:09of hardcover books
29:10are not just meant
29:10to make your book
29:11look pretty.
29:12They also double
29:13as a bookmark.
29:14Just fold the pages
29:15you've already read
29:16underneath the inside
29:17of the jacket,
29:18and voila!
29:20Next time you reach out
29:21for your favorite shirt,
29:22take a look at the top
29:23buttonhole.
29:23It should be stitched
29:24horizontally,
29:25and all the other ones
29:26are vertical.
29:28Turns out that the dress shirt
29:29was designed this way,
29:31since the first
29:31and the last buttons
29:32were the first ones
29:33to unbutton
29:34throughout the day.
29:35They then changed
29:36the direction of the buttonhole
29:38to ensure the shirt
29:38would stay nice and fitted
29:40before you're ready
29:40to take it off.
29:43These days,
29:44we have so many variations
29:45of this awesome dessert
29:46that it's hard to imagine
29:47we've ever lived without it.
29:49You can find different types
29:50of cookie dough ice cream
29:51or even chocolate chip cookie cake
29:53basically everywhere,
29:54but the famous cookie
29:55wasn't actually invented
29:57until 1930.
29:58The story goes
29:59that a woman named
30:00Ruth Graves Wakefield
30:02was preparing
30:02some chocolate cookies
30:03as she was waiting
30:04for some guests to arrive.
30:06She soon figured out
30:07she was out of
30:07Baker's chocolate,
30:08a crucial ingredient
30:09for the classic cookies.
30:11To fix things up,
30:12she chopped up a block
30:13of semi-sweet chocolate,
30:15thinking it would eventually
30:16spread out evenly
30:17throughout the batter
30:18given the heat of the oven.
30:19Things didn't necessarily
30:20go as planned,
30:21but hey,
30:22it's great they didn't
30:23because this is how
30:24she invented this
30:24modern dessert
30:25we now can't get enough of.
30:29And speaking of popular snacks,
30:31the potato chip
30:31is even younger
30:32than the chocolate chip cookie.
30:34Well,
30:34at least historically.
30:36There are many stories
30:37trying to explain
30:38how it was invented.
30:39One of them goes like this.
30:41A chef
30:42named George Crumb
30:43based in New York
30:44put the chips together
30:45in 1953.
30:47He decided to try
30:48a different cooking solution
30:49when one of his customers
30:51didn't have nice things
30:52to say
30:52about his french fries.
30:54He said they were too thick
30:55and kind of mushy.
30:57Then,
30:58Crumb came up with potatoes
30:59that were thinly sliced
31:00and fried
31:00until brown.
31:01People absolutely
31:03loved the dish
31:04and they welcomed
31:05the first ever batch
31:06of chips
31:06with open arms.
31:09Ice cream anyone?
31:10If the story is true,
31:11back in 1904
31:13at the St. Louis World's Fair,
31:15one ice cream shop owner
31:16ran out of cups
31:17to serve his dish.
31:18So,
31:18he fashioned a waffle
31:20into the shape of a cone
31:21and the rest was history.
31:24Okay,
31:24I'll admit it,
31:25chewing gum-like treats
31:26have been around
31:27since the ancient Greeks.
31:28So,
31:29this one isn't particularly
31:30a revolutionary discovery.
31:31But the actual gum
31:33we buy today
31:33wasn't there
31:34until the late 1800s.
31:36An American inventor
31:38named Thomas Adams
31:39wanted to mix together
31:40different chemicals
31:41to create rubber.
31:42He tried and failed
31:44for that matter
31:44to play with Chickle
31:45for his experiment
31:46but ended up
31:47fashioning this neat treat.
31:49They still use Chickle
31:50to this day
31:50to produce most chewing gums.
31:53Back in the 1800s,
31:54there lived a man
31:55named Jean-Baptiste Jolie
31:57who worked in the fabric industry
31:58as a textile maker.
32:00How he came up
32:01with this next invention
32:02that we use a lot these days
32:03has less to do with him
32:05and more to do with his maid.
32:07The story goes
32:08that the woman
32:09accidentally knocked
32:10a kerosene lamp over
32:11onto a tablecloth.
32:13Instead of getting upset
32:14over the damaged fabric,
32:16Jolie noticed
32:17that the substance
32:17actually made
32:18the material cleaner.
32:19Figured it out yet?
32:21Yep,
32:21that's how the idea
32:22for the very first
32:23dry cleaner popped up.
32:24A very neat accident,
32:26if I do say so myself.
32:29Now this one I loved.
32:30Did you know
32:31matchsticks
32:32were initially called
32:33friction lights?
32:34Or at least
32:35that's how their inventor,
32:36a chemist,
32:36named John Walker,
32:38called them back in 1826.
32:41He scraped a stick
32:42coated in chemicals
32:43across his hearth
32:44totally by accident
32:45one day
32:46and realized
32:46that they ignited
32:47and created a spark.
32:49Initially made out
32:50of cardboard,
32:51they were then made
32:52using wooden splints
32:53and sandpaper.
32:56Back in the 1940s,
32:57a man named Harry Coover
32:59stumbled upon
32:59a chemical formulation
33:00that seemed to stick
33:01to everything it touched.
33:03The scientific community
33:05at the time
33:05didn't look much into it
33:07as the formula
33:07didn't seem to have
33:08many applications
33:09back then.
33:10It wasn't until 1951
33:13that he looked a bit more
33:14into the formula
33:14and decided to repurpose it,
33:16along with a fellow
33:17Eastman Kodak researcher
33:19named Fred Joyner.
33:20They gave it a proper
33:21full name.
33:22But you must know it
33:24by the shorter version.
33:25Superglue.
33:27It also has many uses
33:29in security these days
33:30that it's hard to believe
33:31that we didn't come up
33:32with this one on purpose.
33:34Back in 1903,
33:36a scientist
33:36named Edward Benedictus
33:38knocked over a flask
33:39by accident.
33:40He looked down
33:41and was amazed to see
33:42that the glassware
33:43had just slightly cracked
33:45but maintained its shape.
33:46He was expecting it
33:47to break into
33:48a million tiny pieces.
33:50Curious about
33:51this hidden feature,
33:51he looked into it
33:53and figured out
33:54what was keeping
33:54the glass together
33:55was a substance
33:56coating the inside
33:57of the glass.
33:58Ta-da!
33:59That's how humanity
34:00came up with safety glass.
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