What's Inside a Gel Pen + 25 Secrets of Everyday Things

0:00Protein is now at Starbucks and it's never tasted so good. You can add protein, cold foam to your favorite drink or try one of our new protein lattes or matcha. Try it today at Starbucks. Sierra has all the best active and outdoor brands for this super athletic stuff, like running gear for cruising up the trail. Woo! And the super athletic is stuffed, like fishing gear for chilling by the creek. Nice cast! If it is a pair of the push for higher reps, you got this! And golf balls price so you can afford to lose one. Or a few. Head to Sierra or Sierra.com for the brands you want at the prices that let you do it all. From Athletic to Athletish, Sierra's got it. You must have noticed those lines on some kinds of chips. For one thing, they help with the distribution of spices and seasonings. In other words, all those substances that make your chips taste like cheese are mostly stored inside the lines.

1:01Plus, the lines make chips crunchier. Some cars have a tiny copy cup sign on their dashboard. It's the vehicle's anti-drousiness mechanism. There are manufacturers that equip their cars with a drousiness detection system. It analyzes the speed, wheel angle, and lane deviations to figure out if it's time for the driver to take a break. If it is, the vehicle makes several audio signals and the copy cup sign starts to flash. Some plastic milk containers have dents on their sides. These dents serve several purposes. For one thing, when milk spoils, this process usually causes swelling and high pressure build-up inside the container. That's when the dent comes in handy. It pops out and doesn't let the jug blow up. Plus, if you decide to freeze the milk, it will expand like any other liquid.

2:01And then again, the indentation will pop out and prevent the container from breaking inside your freezer. You might have wondered why Jerry cans have three handles. It's a clever designer move. This way, if you carry the container alone, you can use only the central handle to distribute the weight evenly. But, if your friend wants to help you out, each of you can grab the side handle. The first jeans had a problem. Workers and miners, who were the original jeans wears, put too much pressure on the poor piece of clothing. As a result, the seams couldn't withstand the stress and tore. Tiny metal studs were invented to prevent this from happening. Sticky notes come off relatively easily, because their adhesive is spread out across the paper unevenly, in small blobs. And only some of these blobs touch the surface of whatever you've stuck the note on.

3:01That's why when you unstick a post it and attach it to something else, it still works, until all the glue gets used or covered with dirt. Soda bottles are all... ...as unpredictable. But you can blare less with ebbliss. A once monthly treatment for moderate to superior eczema. After an initial four-month or longer dosing phase, about four and ten people taking ebbliss, achieved itch relief and glare or almost glare skin at 16 weeks. And most of those people maintain skin that's still more glare at one year, with monthly dosing. A 250-milligram per 2-milliliter injection is a prescription medicine used to treat adults and children 12 years of age and older who weigh at least 88 pounds or 40 kilograms with moderate to severe eczema. Also called atopic dermatitis that is not well controlled with prescription therapies used on the skin, or topicals, or who cannot use topical therapies. Ebgliss can be used with or without topical corticosteroids. Don't use if you're allergic to ebgliss, allergic reactions can occur that can be severe. Eye problems can occur, tell your doctor if you have new or worsening eye problems. You should not receive a live vaccine when treated with ebgliss.

4:02Before starting ebgliss, tell your doctor if you have a parasitic infection. Ask a doctor about ebgliss and visit ebgliss.lily.com or call 1-800-LilyRX or 1-105-4-5-5-9-7-9. This episode is brought to you by Peloton. Breakthrough the busiest time of year with the brand new Peloton cross-training tread plus, powered by Peloton IQ. With real-time guidance and endless ways to move, you can personalize your workouts and train with confidence. Helping you reach your goals in less time. Let yourself run, lift, sculpt, push, and go. Explore the new Peloton cross-training tread plus at 1peloton.com. Always filled in such a way that there's some space between the liquid and the cap. That's because soda contains carbon dioxide. It's a gas that can expand once a bottle is heated. If there's no gap in the bottle, it can break because of the pressure building inside. Also, when you open your drink, the gases go out in the form of bubbles and the drink is likely to overflow.

5:04The gap helps with this problem too. Dental floss is super useful for your teeth, but it might be rather hard to operate. It regularly slips out of your fingers and tangles. To avoid these problems, tear off a piece of dental floss and tie its two ends together. It'll be much easier to use and won't hurt your fingers. Now, about those horizontal lines on plastic bottles. They help hold bottles up. Some bottles are produced from soft plastic. Without the lines, they wouldn't keep their shape. Instead, they would twist easily or even break. The soft round part under a soda bottle cap keeps the carbonation from escaping. Without it, your pop would go flat in no time, probably even before you buy it. If you don't have anywhere to put a toothpick after using it, break off its flat end at the first groove and place it on the table.

6:08Now, you can balance the used portion of your toothpick on the groove part so that it doesn't have to touch the table. You can also make a makeshift stand for disposable chopsticks. They have a sort of lump on one side. Break that lump off before you split the pair. Now, when you want to take a sushi break, just place the stick on this stand. Donuts are shaped like rings because otherwise, they might get overdone at the edges, but uncooked and gooey inside. With a hole in the center, both the outside and the inside get ready at the same time. Ever notice that layer of clear fluid and gel pens? It's called the ink follower or stopper fluid. The gel in such pens contains pigment particles dissolved in a polymer solution. The gel should be thick enough to keep the pigment particles suspended, but also thin enough to flow first onto the ball and then the paper.

7:14The main task of the stopper fluid is to be a barrier to prevent the gel from evaporating or leaking out. Without this transparent fluid, your gel pen wouldn't function. The fluid always stays in one position and doesn't get dissolved with the gel. Neither does it move backward or flow out of the pen. Some button-down shirts have a button hidden on the back of the collar. Its main purpose is to prevent the tie from sticking out from under the collar. As for that locker loop on the back, you can use it to hang the shirt on a hook to avoid wrinkling it. Outer ring. Refreshing wild cherry cola meets smooth cream. The treat you deserve. Pepsi wild cherry and cream treat yourself. Using zipper sliders, especially when two sliders are used together, are added so that you can connect them with a lock and keep sticky fingers away.

8:21Most ambulance cars have this word printed on the front of the vehicle. That's the word ambulance backward. It's written in reverse so that the driver in front of the ambulance can see the word properly in their rearview mirror. Then they can move out of the way and let the ambulance pass. Escalator brushes serve an important safety purpose. You might have heard that most accidents happen after people get their bags or clothes stuck in escalators because they stand too close to the sides. But when there are nylon brushes on both sides, you can't but keep your feet away from the escalator's skirt panels. The result? No accidents. The side holes in sneakers are for laces. Since sneakers were originally invented for basketball players, this interesting design allowed them to accommodate any player's foot. They just needed to lace their sneakers in the most comfortable way for them.

9:22The holes in the bottoms of your earphones allow air to circulate up and through the speakers. It helps to increase low frequencies, making the bass sound deeper. The quality of the sound also becomes much better. Ever been stranded with a cup of applesauce but no spoon at hand? But each snack pack already has a built-in spoon. Several twists of the foil lid and here you go. Diamond slits on backpacks were originally placed only on traveler bags. Their purpose was to carry ropes. These days, you can find such slits on almost every backpack. Why not use them to carry a bottle of water and umbrella or a pair of sneakers? Highlighters are filled with a special semi-transparent fluorescent ink that can glow in dim light. Yellow and light green hues are the most popular because they don't prevent you from seeing the text after black and white photocopying.

10:28Photocopiers perceive yellow and light green marks as almost non-existent and don't print them. A stop sign has an octagonal shape to help drivers recognize it easily, even if they see it from the back. When the signs weren't reflective yet, this shape prevented drivers from confusing the stop sign with any other at night. The number 57 on a Heinz ketchup bottle has nothing to do with the product label. The truth is that the place with the numbers is the very sweet spot you should tap to get the ketchup flowing. So stop hitting the bottom of your sauce bottle and hit 57. Lots of private houses have triangular-shaped roofs because this allows rain, snow, and fallen leaves to slide off the slope. If all this stuff piled up on top of your house, one day your roof would collapse. Airplane windows have rounded edges and that's a crucial safety measure. It prevents aircraft accidents.

11:34Week spots are usually situated in the corners. If airplane windows were square or rectangular, each of them would have four potential week spots. Under pressure, they would collapse. That's it for today. So hey, if you pacified your curiosity, then give the video a like and share it with your friends. Or if you want more, just click on these videos and stay on the Bright Side.