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00:00You must have noticed those lines on some kinds of chips.
00:04For one thing, they help with the distribution of spices and seasonings.
00:08In other words, all those substances that make your chips taste like cheese
00:12are mostly stored inside the lines.
00:16Plus, the lines make chips crunchier.
00:20Some cars have a tiny coffee cup sign on their dashboard.
00:24It's the vehicle's anti-drowsiness mechanism.
00:28There are manufacturers that equip their cars with a drowsiness detection system.
00:33It analyzes the speed, wheel angle, and lane deviations
00:37to figure out if it's time for the driver to take a break.
00:41If it is, the vehicle makes several audio signals,
00:44and the coffee cup sign starts to flash.
00:49Some plastic milk containers have dents on their sides.
00:52These dents serve several purposes.
00:56For one thing, when milk spoils, this process usually causes swelling
01:00and high pressure buildup inside the container.
01:04That's when the dent comes in handy.
01:06It pops out and doesn't let the jug blow up.
01:10Plus, if you decide to freeze the milk, it will expand like any other liquid.
01:15And then again, the indentation will pop out
01:18and prevent the container from breaking inside your freezer.
01:22You might have wondered why jerry cans have three handles.
01:26It's a clever designer move.
01:29This way, if you carry the container alone,
01:32you can use only the central handle to distribute the weight evenly.
01:37But if your friend wants to help you out, each of you can grab the side handle.
01:43The first jeans had a problem.
01:45Workers and miners, who were the original jeans wearers,
01:49put too much pressure on the poor piece of clothing.
01:52As a result, the seams couldn't withstand the stress and tore.
01:57Tiny metal studs were invented to prevent this from happening.
02:03Sticky notes come off relatively easily
02:05because their adhesive is spread out across the paper unevenly in small blobs.
02:11And only some of these blobs touch the surface of whatever you've stuck the note on.
02:15That's why when you unstick a post-it and attach it to something else,
02:19it still works until all the glue gets used or covered with dirt.
02:25Soda bottles are always filled in such a way
02:28that there's some space between the liquid and the cap.
02:32That's because soda contains carbon dioxide.
02:36It's a gas that can expand once a bottle is heated.
02:39If there's no gap in the bottle,
02:41it can break because of the pressure building inside.
02:45Also, when you open your drink,
02:48the gases go out in the form of bubbles,
02:50and the drink is likely to overflow.
02:52The gap helps with this problem too.
02:57Dental floss is super useful for your teeth,
02:59but it might be rather hard to operate.
03:02It regularly slips out of your fingers and tangles.
03:06To avoid these problems,
03:08tear off a piece of dental floss and tie its two ends together.
03:12It'll be much easier to use and won't hurt your fingers.
03:17Now, about those horizontal lines on plastic bottles.
03:21They help hold bottles up.
03:24Some bottles are produced from soft plastic.
03:27Without the lines, they wouldn't keep their shape.
03:30Instead, they would twist easily or even break.
03:35The soft round part under a soda bottle cap keeps the carbonation from escaping.
03:41Without it, your pop would go flat in no time.
03:45Probably even before you buy it.
03:49If you don't have anywhere to put a toothpick after using it,
03:52break off its flat end at the first groove and place it on the table.
03:57Now, you can balance the used portion of your toothpick on the grooved part,
04:01so that it doesn't have to touch the table.
04:05You can also make a makeshift stand for disposable chopsticks.
04:09They have a sort of lump on one side.
04:12Break that lump off before you split the pair.
04:16Now, when you want to take a sushi break,
04:18just place the stick on this stand.
04:23Donuts are shaped like rings because otherwise they might get overdone at the edges,
04:28but uncooked and gooey inside.
04:31With a hole in the center, both the outside and the inside get ready at the same time.
04:39Ever notice that layer of clear fluid in gel pens?
04:42It's called the ink follower or stopper fluid.
04:47The gel in such pens contains pigment particles dissolved in a polymer solution.
04:53The gel should be thick enough to keep the pigment particles suspended,
04:57but also thin enough to flow first onto the ball and then the paper.
05:02The main task of the stopper fluid is to be a barrier to prevent the gel from evaporating or leaking
05:08out.
05:09Without this transparent fluid, your gel pen wouldn't function.
05:14The fluid always stays in one position and doesn't get dissolved with the gel.
05:19Neither does it move backward or flow out of the pen.
05:23Some button-down shirts have a button hidden on the back of the collar.
05:28Its main purpose is to prevent the tie from sticking out from under the collar.
05:34As for that locker loop on the back, you can use it to hang the shirt on a hook to
05:40avoid wrinkling it.
05:43Outer rings and zipper sliders, especially when two sliders are used together,
05:48are added so that you can connect them with a lock and keep sticky fingers away.
05:55Most ambulance cars have this word printed on the front of the vehicle.
05:59That's the word ambulance backward.
06:03It's written in reverse so that the driver in front of the ambulance can see the word properly in their
06:08rear-view mirror.
06:10Then they can move out of the way and let the ambulance pass.
06:15Escalator brushes serve an important safety purpose.
06:19You might have heard that most accidents happen after people get their bags or clothes stuck in escalators,
06:25because they stand too close to the sides.
06:28But when there are nylon brushes on both sides, you can't but keep your feet away from the escalator's skirt
06:34panels.
06:35The result? No accidents.
06:38The side holes in sneakers are for laces.
06:42Since sneakers were originally invented for basketball players,
06:46this interesting design allowed them to accommodate any player's foot.
06:51They just needed to lace their sneakers in the most comfortable way for them.
06:56The holes in the bottoms of your earphones allow air to circulate up and through the speakers.
07:03It helps to increase low frequencies, making the bass sound deeper.
07:07The quality of the sound also becomes much better.
07:12Ever been stranded with a cup of applesauce but no spoon at hand?
07:17But each snack pack already has a built-in spoon.
07:21Several twists of the foil lid, and here you go!
07:26Diamond slits on backpacks were originally placed only on traveler bags.
07:31Their purpose was to carry robes.
07:34These days, you can find such slits on almost every backpack.
07:38Why not use them to carry a bottle of water, an umbrella, or a pair of sneakers?
07:46Highlighters are filled with a special semi-transparent fluorescent ink that can glow in dim light.
07:53Yellow and light green hues are the most popular because they don't prevent you from seeing the text after black
07:59and white photocopying.
08:02Photocopiers perceive yellow and light green marks as almost non-existent and don't print them.
08:09A stop sign has an octagonal shape to help drivers recognize it easily, even if they see it from the
08:15back.
08:16When the signs weren't reflective yet, this shape prevented drivers from confusing the stop sign with any other night.
08:24The number 57 on a Heinz ketchup bottle has nothing to do with the product label.
08:30The truth is that the place with the numbers is the very sweet spot you should tap to get the
08:36ketchup flowing.
08:38So stop hitting the bottom of your sauce bottle and hit 57.
08:44Lots of private houses have triangular-shaped roofs because this allows rain, snow, and fallen leaves to slide off the
08:52slope.
08:53If all this stuff piled up on top of your house, one day your roof would collapse.
09:00Airplane windows have rounded edges, and that's a crucial safety measure.
09:05It prevents aircraft accidents.
09:08Weak spots are usually situated in the corners.
09:11If airplane windows were square or rectangular, each of them would have four potential weak spots.
09:18Under pressure, they would collapse.
09:22Pockets are usually on the left side of shirts because most people are right-handed.
09:27Is this a myth or a fact?
09:29This is actually true.
09:31Many products favor the righties.
09:33Left-handed people will relate to this on so many levels.
09:36Let's say, public transport.
09:38Have you ever noticed that the scanner at stations is typically on the right side?
09:43Household equipment and devices are one more example.
09:47Scissors, tweezers, bottle openers, and many other kitchen and household appliances are designed with right-handed people in mind.
09:54The same goes for shirt pockets.
09:57While some people use both hands equally and others change their hand preference between tasks, overall, most people are right
10:03-handed.
10:04A study has revealed that 75% to 90% of the world's population are right-handed and 10%
10:11are left-handed.
10:12This means it's more convenient for most people to have pockets on the left side than on the right side
10:17of their garments.
10:19Try it out for yourself.
10:21Your elbow kind of folds when you try to reach into the pocket on the right side.
10:25Whereas on the left side, your elbow makes an arc shape, which makes it easier to put things inside the
10:30pocket and take them out.
10:33Eating more protein leads to having bigger muscles.
10:36What do you think about this, bodybuilders?
10:38Myth or fact?
10:40This is a myth.
10:42It's true that eating protein is essential for building bigger muscles.
10:46I mean, proteins are building blocks of your body.
10:48And yet, eating more than you need is unnecessary.
10:53Everyone should drink eight glasses of water a day.
10:55Do you think this is a myth or a fact?
10:59This is a myth.
11:00So don't blame yourself for drinking less water than recommended.
11:04Eight glasses are not a magic number.
11:06Hydration needs differ from one person to another.
11:10How much water you should drink every day depends on your activity and exercise level.
11:15The temperature of the place where you live affects this number too.
11:17If you live in a hot area, you sweat more and need to drink more water.
11:22Soup, coffee, tea, fruits, and other things you eat daily also contain water.
11:29Carrots are high in sugar, so you should avoid eating them.
11:32If this is true, we should warn bunnies.
11:35Any guesses, fact, or myth?
11:38It's a myth.
11:39Carrots are about 85% water.
11:42One pound of cooked carrots only contains three teaspoons of sugar.
11:45Compared to the amount of sugar in desserts, this is nothing.
11:49Plus, carrots are high in phytochemicals.
11:52And eating them can help lower blood sugar.
11:56Medieval people believed in flat earth.
11:58Is this a myth or a fact?
12:01Obviously, flat earth is a myth.
12:03But so is the history built around this myth.
12:06You can't say that at those times.
12:08The whole world was skeptical about earth's spherical shape.
12:11Even everyday visible things proved that.
12:14For example, medieval people could see that the twilight glow during sunrise and sunset formed an arc over the horizon.
12:23Vikings wore horned helmets.
12:25Is this a myth or fact?
12:27The well-known image of a Viking warrior is almost always completed with a horned helmet.
12:33But in reality, there are no horns.
12:36There's no evidence that Viking helmets were horned.
12:41Detox juices cleanse your body.
12:43Is this a fact or a myth?
12:45It's a myth.
12:47Detoxification doesn't work that way.
12:49Your internal organs are responsible for the process of cleansing the spleen, liver, kidneys, especially the liver.
12:57Your body is always in a natural state of cleansing itself.
13:01A person doesn't need to drink juices for detoxification.
13:05Nuts are junk food.
13:07Any thoughts?
13:08Myth or fact?
13:11You're right.
13:12This is a myth.
13:13Nuts are full of healthy fats.
13:15They're good for your heart and other organs.
13:19The average American throws away about 82 pounds of textile waste per year.
13:24Is this a fact or myth?
13:28Fact!
13:28Imagine all that waste.
13:30When someone throws their clothes away, they don't disappear into thin air.
13:34These items most likely reach landfills as their final destination.
13:38Donating clothes and selling them in second-hand stores are a much better option.
13:44Now, you've probably heard about life-saving laundry tricks that are said to make your clothes super clean and as
13:50good as they were on day one.
13:52What if those laundry tips are actually myths?
13:55I got three of them lined up for you.
13:58Shirts should be buttoned when you put them in the laundry.
14:01Is it true or not?
14:03This is a myth.
14:04You'd better keep zippers closed to keep their teeth from catching the fabric of other clothes.
14:09But fastening the buttons of a shirt can expand the button net and the button hole.
14:14In the long term, buttons will start slipping out of place.
14:18Washing clothes in hot water is the most effective way to clean them.
14:22Is this a myth or fact?
14:25That's another laundry myth.
14:27You want to rid your clothes of germs.
14:29Yet, hot water alone won't be enough for this.
14:32Nowadays, many detergents can clean clothes in cold or warm water.
14:37You should remove stains from the face of the fabric.
14:40Is it true?
14:42Most people apply water and soap to the stain, starting from the front side of the fabric.
14:47But that's not the best option.
14:49A much better way is to start from the back.
14:52The stain can go deeper if you treat it from the front.
14:54Try to make the stain move up to the surface rather than push it inside.
15:01Listening to music is an effective tool for learning languages.
15:04Is it a myth or fact?
15:07It's a fact.
15:08Scientists say listening to a song and humming along can help you learn a language.
15:13Most people struggle to learn grammar.
15:15Yet, in our daily lives, we don't always follow grammar rules.
15:19Songs can help you pick up informal expressions.
15:23Scientists have also concluded that music can help you remember new words and add them to your vocabulary.
15:29Let me give you an example.
15:31It's from your first year at school.
15:33Yep, the alphabet song.
15:36Are you a morning person or a night owl?
15:38Either way, you might want to know these facts and myths about sleep.
15:44The longest someone went without sleep was 11 days.
15:47Do you think this is possible?
15:49Or is it an urban legend?
15:52This is a fact.
15:53Randy Gardner set the record for the longest amount of time a person went without sleep.
15:58It was an experiment carried out by Stanford sleep researcher, Dr. William C. Demand.
16:03The doctor recorded and monitored Randy Gardner's sleep activity.
16:08Gardner managed to stay awake for 11 days and 25 minutes.
16:13Your body eventually gets used to getting less sleep.
16:16Myth or fact?
16:18It's a myth.
16:20There are many studies proving that your body and especially your brain can't get used to sleeping less.
16:25Have you noticed that after a few nights of insufficient sleep, you begin to feel groggier during the day?
16:31That's your body trying to adjust to not getting enough rest.
16:35Long-term sleep deprivation affects your daytime performance, focus and decision making.
16:42Many grown-ups need 5 or fewer hours of sleep.
16:45Can it be true?
16:47Well, this one's easy.
16:48It's a myth.
16:49Experts from the National Sleep Foundation recommend that the average adult sleep 7 to 9 hours per night.
16:56Some people have a genetic mutation thanks to which they wake up refreshed after a short night's sleep.
17:02But such people are an exception.
17:04One in 4 million.
17:06The ability to fall asleep in any place and at any time means you're a good sleeper.
17:12What do you think?
17:13Myth or fact?
17:15It's a myth.
17:16A good sleeper gets a proper amount of sleep and has a regular sleep schedule.
17:22Cats spend two-thirds of their life asleep.
17:25Do you believe that?
17:27This will probably come as no surprise.
17:29It's a fact.
17:30How many of the facts and myths did you guess correctly?
17:35Here's how you can protect your bank card from potential fraudsters.
17:39Use a marker and cover the last four digits.
17:42You can also use a sticker that's easy to remove and place it over the security code.
17:47Have you had a houseguest that didn't use a coaster?
17:50Get a hair dryer and hold it a couple of inches away from the stain.
17:53Blow it on medium heat for a couple of minutes to evaporate the watermark.
17:57If a faded ring remains, mix equal amounts of vinegar and olive oil in a bowl.
18:02Wipe it onto the marked area and rub it in until the stain disappears.
18:06Then wipe it off.
18:07Don't waste time scrubbing the burnt stains off the bottom of a pan.
18:11Instead, fill it with water and add three tablespoons of salt.
18:15Let it sit overnight as the salt dissolves the burnt marks.
18:18And in the morning, pour the water out of the pan.
18:21This way, it will be much easier to scrub all that grease off.
18:24Picture this.
18:26You're on vacation and your shirt has become all crinkled inside the luggage.
18:29You need it tonight, but the hotel doesn't have an iron.
18:33Don't panic.
18:33Hang the shirt up in the bathroom.
18:35And while you relax in a hot shower, the heat and moisture will unwrinkle your shirt.
18:40It won't be perfect, but it will get much better without any effort.
18:43The football is on and it turns out you've run out of standard batteries.
18:47You can use a smaller battery instead that easily fits inside.
18:52Now take some aluminum foil and crunch it up.
18:54Fit it into the gap on the negative or flat end of the battery.
18:58All done. You can turn on the TV now.
19:01Once your flip-flops crack and the plug easily slips out of the hole,
19:05it's normally a sign that you need a new pair.
19:07But there's a way to extend their mileage.
19:10Push the plug back through the hole.
19:11Then take a bread clip and attach it to the end.
19:14The clip will provide enough support for the plug to remain in place.
19:18You've received a package and the receipt is taped on.
19:21You've managed to detach it from the box.
19:24But how to separate the tape without ripping the paper?
19:27Hold both ends of the tape apart and by pulling it slowly,
19:30the tape stretches and separates itself from the paper without tearing it apart.
19:36Ziploc bags are perfect to keep things dry, but it would be great if they were larger.
19:41Take two and turn one of them inside out.
19:44They can now connect and work as one large bag, big enough to protect a keyboard.
19:50There's no need to carry your keys in your hand when you go for a jog.
19:54Instead, put them inside your pocket, take a rubber band, then tie it around the pocket from the inside.
19:59This stops the keys from falling out.
20:02You've broken your key in the door. It's stuck. Great!
20:06Arranging for a locksmith could cost up to $100.
20:09But for a cheaper and quicker option, try using a hot glue stick.
20:13Heat the end with a lighter and once it's warm enough to melt, push the glue into the keyhole.
20:18The melted glue will enter the available space covering part of the key.
20:23Once it cools, it compresses and gains a strong hold of the key's end.
20:27Now, just pull it out.
20:30If you need to siphon liquid through a hose and want to avoid using your mouth,
20:34put one end in the liquid and hold the other upwards with your thumb closing the top.
20:39Now shake up and down. This jiggle motion pushes liquid upwards, a little each time.
20:45And once it reaches the top, lower the exit point and let gravity do the rest.
20:50You've left your keys locked inside the car.
20:52It's an older model with a roll-down window.
20:55You could get the coat hanger and begin the long process of finding the lock.
20:58Or use duct tape. Make about 20 2-foot-long strands.
21:03Stick them onto the window, allowing enough room for the tape to grab onto at the bottom.
21:07Then, with a friend, take the ends of the tape, holding them together, and pull downwards.
21:12The force will allow the window to lower enough that you can unlock the door.
21:17While drilling long screws into hardwood, your old drill might not have enough power,
21:22leaving them only halfway in.
21:24Before the drill gives up, get a block of wax and scrape the edges of the screws with it.
21:29The wax works like a lubricant, melting as it gets warm and providing easy entry for the screw.
21:35You're out camping, but you didn't bring anything to light the barbecue.
21:39Take a small plastic bag that won't leak, fill it up with water, and close it tight, making a round
21:45bubble.
21:45Hold it over where you want to catch the light from the sun.
21:48The bag of water will work like a magnifying glass, starting up the barbecue, just as long as it's a
21:54sunny day.
21:55Missing a corkscrew or a cork breaking halfway?
21:58By using a stove lighter, heat the top of the bottle.
22:01The heat slightly expands the glass, and this forces the cork out the top.
22:06You've superglued your fingers again.
22:08Take some salt and pour it on top of your stuck fingers.
22:12Put your fingers into the water and slowly rub.
22:15The mixture will dissolve the glue and release you in no time.
22:18While hanging up a painting, it can be impossible to find that stubborn nail.
22:23Place a fork upside down and insert it so the nail is in between the middle fork teeth.
22:28The fork has provided a long arm that's separated from the wall, making it easier to slip the string of
22:34the painting over the nail.
22:36Once it's perfectly balanced, simply remove the fork.
22:41You need to put a cake into a container, but taking it out again later by lifting it up from
22:46the inside might ruin the cake.
22:48Put the lid upside down and place the cake on the lid.
22:51The base of the container is now the lid, making it much easier to access, slice by slice.
22:59Pour out water more efficiently from large jugs and bottles by swirling.
23:03This will make the liquid inside spin, creating a vortex.
23:06The vortex allows for the air to flow back into the bottle as the water pours out.
23:12Much faster than the glugging alternative.
23:16There's an easier and less messy way to remove eggshells from a boiled egg.
23:21Once fully boiled, crack the shell on both ends by tapping them.
23:24On one end, pinch off the shell.
23:27Use the opened end to blow with your mouth.
23:29The force of air will push the flesh and expand the eggshell, forcing out the egg undamaged.
23:36When the hinges of your laptop break, repairing them can cost up to $300.
23:42A far cheaper fix is to buy a picture frame and tape it to the back of the screen.
23:47You've dropped a small piece of jewelry on the floor, seemingly impossible to find.
23:52Take a stocking and place it over the end of the vacuum hose.
23:55Give the area a good vacuum and check the end periodically.
23:59You will eventually find it sitting at the end.
24:02You've drilled a hole in the wall, but the drill hole is now too wide.
24:06Remove the screw and find an object that is slightly shorter and thinner.
24:10Pieces of plastic, small wires, paper clips, or even toothpicks are perfect.
24:15Place whichever item you find inside the hole.
24:17It's filled the gap enough so the screw will now re-enter securely.
24:22Taking the trash out can put you in a gross scenario of getting bin juice on you.
24:26A great way to avoid this is by placing old papers at the bottom of the bag.
24:31Now, not only does it absorb all the liquids from the food and other sources, but also helps prevent bad
24:37smells from forming within a bin.
24:39Nobody likes mosquitoes, and pesticides are pricey.
24:43A cheap alternative is to take a plastic bottle and cut the top part off from the bottom of the
24:48funnel.
24:49After removing it, turn it upside down and put it inside the bottle.
24:53Mix two cups of warm water with two tablespoons of sugar.
24:57The mosquitoes will be attracted to the formula inside and become trapped.
25:01Now just sit back and relax without getting bitten.
25:06Did you know that you can actually inflate a balloon without using your lungs?
25:11All you need is a plastic bottle, vinegar, baking soda, a funnel, a rubber band, and a balloon, of course.
25:20First, pull some baking soda into the balloon using your funnel.
25:24And now, pour the vinegar into the bottle.
25:28You don't need a lot. Just fill about a third of the bottle.
25:31Let's go ahead and put the balloon over the bottle.
25:35But don't tip the soda inside the vinegar yet.
25:39Secure the balloon with a rubber band and tip it over to make the soda fall into the vinegar.
25:44And now you can step back and enjoy the show.
25:47When the baking soda and the vinegar are mixed together, they release CO2 that will inflate the balloon.
25:54You can use the inflated balloon to show your friends another trick.
25:58Grab a comb and rub it on the surface of the balloon.
26:02Now you can bend the water flow in your sink with static electricity using your brand new electrified comb.
26:09Just don't try brushing your hair.
26:12Can you really pierce a balloon without popping it?
26:15The answer is yes.
26:17You're gonna need a skewer or a long needle, a balloon, petroleum jelly, and some courage.
26:24Scratch the balloon with your fingers and make it more flexible.
26:27Now, blow steadily into the balloon.
26:30Stop before blowing it to the full size.
26:33This will make the trick easier to perform.
26:35Put some petroleum jelly on the needle.
26:38Now, find this darker area near the knot where the balloon is less stretched.
26:43And just pierce it all the way through the top, like this.
26:47Balloons are made up of polymer chains.
26:49They're so tiny that they seem invisible to the human eye.
26:53This trick works because the polymer chains are less stretched on the neck of the balloon.
26:58It was enough room to allow the needle in between the chains without breaking them.
27:03But if you try the same technique on the sides of the balloon, it will definitely pop.
27:09By the way, hairspray actually helps keep the air in the balloon longer by sealing the surface.
27:15But if you apply hairspray on the outside of the balloon and then touch it when it's not yet dry,
27:20the balloon will shrivel.
27:22Isn't it magic?
27:26Beware, our next trick can make you question gravity.
27:29Pour some plain water into a glass bottle.
27:33Not much, about a quarter.
27:35Put the bottle in the microwave for a minute.
27:38Meanwhile, prepare a bowl with colored water to make the trick more visual.
27:43Take the bottle out of the microwave, turn it upside down and pour it into the colored water.
27:48The bottle will soon begin to fill with water.
27:51Can you guess why?
27:53The air expands when it's heated.
27:56The bottle and the air began to cool down and the air contracted, which caused the water to move.
28:03Not only wizards can make things disappear.
28:07Fill a plastic container or transparent glass with sunflower oil.
28:11Dip a glass rod inside the oil.
28:14Can you see it now?
28:16Oil and glass bend light the same way because they have almost equal refractive indexes.
28:22Therefore, it's impossible to see how the wand bends light inside the oil.
28:28To make this trick even more epic, pour equal parts of water and oil inside a glass and dip the
28:34glass rod inside it.
28:36You'll see it in the water, but it will disappear inside the oil.
28:42Have you seen this epic instant freezing trick?
28:45Here's how you can repeat it at home.
28:48Grab a small plastic bottle of clean drinking water.
28:51Leave it for about 4 hours to bring it to room temperature.
28:55And now, put it into a freezer and wait for an hour and a half.
28:59After that, take it out very carefully.
29:02Try not to shake it at all.
29:04Now, hit the bottle strongly or shake it and see what happens.
29:10Not only is red cabbage rich in fiber and vitamins, but it's also pretty useful for homemade scientific experiments.
29:17Boil red cabbage in pure water and wait until the water gets colored.
29:23Red cabbage contains a chemical called anthocyanin.
29:27It changes color when it's mixed with an acid or a base.
29:31That's why if you mix your cabbage with water with different ingredients, you'll get different colors.
29:36Bases like soda will make it blue, but acids on the contrary will create reddish colors.
29:42You can prove it by adding some lemon juice to your cabbage water.
29:46The water will become pinkish.
29:49And if you add vinegar, you'll get an even more vibrant pink color.
29:55If you have a juicer, you can try the same experiment with red cabbage juice.
29:59Initially, it will have a more vivid purple color, but under the influence of additional liquids, the color will change.
30:07Can you guess which color you'll end up with if you mix cabbage juice with bleach?
30:12It's almost transparent, but still has a greenish yellow tinge.
30:18The next trick is very trendy among artists.
30:21Here's what you're gonna need.
30:22Liquid soap, cotton buds, milk, and acrylic paints.
30:26You can use food coloring for this tip.
30:29Pour a little bit of milk into a wide bowl or a plate.
30:33You don't need a lot.
30:34Then put a few drops of paint into the milk.
30:37And now dip a cotton bud covered with soap.
30:41The patterns will begin to change.
30:43That's because the fatty molecules in the milk get attracted to the molecules of soap.
30:48When you're satisfied with the pattern, you can put a sheet of paper on top of the milk.
30:53And voila, your abstract masterpiece is ready.
30:57In fact, this technique is related to an ancient paper marbling called ebry.
31:03Artists created colorful patterns by sprinkling and brushing color pigments on a pan of oily water and then transformed those
31:11patterns on paper.
31:13Friction helps people walk on the road instead of sliding on it.
31:17And it also allows us to perform this cool experiment called floating rice.
31:23Fill a small plastic bottle with rice.
31:26You can use a funnel to make the task easier.
31:29Shake the rice for a while.
31:30And now try to push a chopstick or a pencil inside the bottle.
31:34If you did everything right, the stick will get stuck in the rice.
31:38You can also try using different types of grains and see what happens.
31:44Have you ever tried to put an ice cube into oil?
31:47Well, you can try today.
31:49It will create these cute little drops that will fall into the bottom of the glass because they're heavier than
31:54oil.
31:57Here's an easy way to stick an ice cube to a string without any glue.
32:02Place an ice cube in water.
32:04Put a piece of string on top and sprinkle it with salt.
32:08You don't need much.
32:09Otherwise, the ice will dissolve.
32:11A pinch is enough.
32:13Wait for one minute and then gently pull the string.
32:16And there you go.
32:17The ice has stuck to the string.
32:22For this experiment, you're going to need an empty, clean soda can.
32:26Turn on the kettle and wait until it begins to boil.
32:29Carefully hold the can over the kettle using kitchen tongs.
32:33It will help fill it with hot steam.
32:35When the can is full of steam, give it an ice bath.
32:39You can put it into a bowl with cold water and ice cubes.
32:43The can should wrinkle up right away.
32:46That's because the volume inside the can decreases, reducing its pressure and allowing the external pressure to crush the can.
32:55The next trick is also about air pressure.
32:58You're going to need a glass bottle, a small piece of paper, a lighter and a peeled, boiled egg.
33:04The diameter of the bottleneck should be less than the width of the egg.
33:08And it's important to use glass because plastic can melt.
33:13Now carefully light the paper, let it burn a little bit and drop it inside the bottle.
33:19Put the egg on the neck of the bottle.
33:21It should begin to bounce.
33:23And soon the pressure of air will push the egg into the bottle.
33:27The next trick is the middle.
33:27Goal.
33:28Goal.
33:28Goal.
33:28Goal.
33:29You
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