Tuesday, October 4, 2016

How to use everyday Things



Think the hole in the lid keeps the ballpoint from drying out?
1You
A lot of people think the hole in the cap of a ballpoint pen is there to keep the pen from drying out, or that it’s there to keep a pressure balance that prevents the pen from leaking. The real reason it’s there is much more straightforward:
It’s there to lower the risk of suffocation. If a small child was chewing on the cap and choked on it, the hole keeps their airway from closing up entirely.
 
Ever notice the little holes in the windows of airplanes?
2You
That little hole is there for two reasons:
The first reason is to compensate for air pressure. When the plane climbs to cruising altitude, there’s a huge pressure difference between the inside and outside of the plane. The hole is there to regulate some of that difference so that the outer window doesn’t have to do all the work.
The other reason is that it prevents the windows from fogging up.
 
You know that extra piece of fabric that comes with new clothes?
3You
You probably always thought it was there for patches, right? Wrong! The manufacturer includes that little sample of material so you can test how different laundry detergents will react to your new garment.
 
And this little pocket on your jeans?
4You
The purpose of that little pocket is obvious to any Wild West cowboys or 19th-century gold miners reading this. It’s where you kept your pocket watch when jeans were first invented.
 
Okay, but what about the studs?
5You
When Levi Strauss made his first pair of jeans, it was a pretty common problem for the seams of the trousers to tear due to the stress being put on them by the workmen and miners who wore them.
The rivets just exist to strengthen the trousers at the most conspicuous spots.
 
What are those little holes in Converse All Stars there for?
6You
The main reason they’re there is the most obvious one: ventilation.
But some people think that because Converse All Stars were originally made as basketball shoes, laces could be looped through the extra holes for a snugger fit.
 
Ever notice the little hole at the end of a tape measure? Ever wonder what it’s for?
7You
It’s there to hook onto nails or screws so you can measure safely without the tape measure slipping.
 
And what about the little serrated edge?
8You
Pretty obvious now that you see it, isn’t it? Imagine trying to mark where your measurement is, but not being able to because your hands are currently both busy using a tape measure.
A little serrated edge would come in handy right then, wouldn’t it?
 
That hole in the handle of your pot is useful for more than one reason.
9You
Sure, the main reason that hole is there is for hanging up your pot, but next time you need to set down a messy cooking spoon you’ll know exactly where to look.
 
And the hole on your pasta spoon?
10You
This one is going to blow your mind. The hole’s primary purpose to strain the pasta and let the water drain out, but on many spoons, the hole is just about the size of one person’s portion of spaghetti.
 
What’s that arrow next to your gas gauge there for?
11You
Maybe you’ve never even noticed it before, but that little arrow is secretly the most convenient feature on any car. It indicates which side of the car the gas cap is on. Believe me, it comes in handy when you’re driving a rental car.
 
Why is one side of a bobby pin bent into a zigzag?
12You
That’s an easy one! The grooved side is the bottom of the pin and should face toward the scalp. The grooves help the hairpin hold the hair better.
 
Ever notice a little hole in the bottom of a padlock?
13You
That little hole is there for a few reasons. The first is that it lets water drain out of the lock if you’re using it outdoors, so it won’t rust in the rain or freeze and break in the winter. The hole can also be used to oil the lock to keep it working well.
 
What about this thick bit found on many cables?
14You
Those little cylinder-shaped lumps are ferrite cores or chokes, and they’re essentially just chunks of magnetic iron oxide that are there to suppress high-frequency electromagnetic interference.
Have you ever heard weird interference when your cell phone goes off too close to a speaker? Well, ferrite cores are there to keep that from happening to your monitors, power supplies, and everything else.
 
Do you even know how utility blades work?
15You
Take a close look at the blade on your box cutter or utility knife. Notice the little score lines? You can break off the end of the blade to give yourself a fresh, sharp blade whenever you want.
To do so, take that back cap off, slide the blade out the back end, and use the cap to snap off the end of the blade before putting it all back together again.
 
And why do some caps have a little spike in them?
16You
Unscrew the lid, flip it around, and push it in. The little spike will punch right through the protective foil on a new container.
 
And the little bumps on the “F” and “J” keys on a keyboard?
17You
Most trained typists will already know what they’re there for. In 10-finger typing, the “F” and “J” keys are the home keys, where your index fingers rest. The little bumps let you find your way back to the home position without looking down at your keyboard.
 
What about the hole found in rulers?
18You
Easy. It’s for hanging them up.
 
Why does an Apple power cable have wings?
19You
The wings flip up to give you something to wrap the cable around. Start by wrapping the thicker section of cable around the power block, then the thinner part of the cable around the wings, and secure the whole thing with the little clamp on the very end.
 
And while we’re at it, what’s the dot next to the camera on an iPhone for?
20You
It’s a microphone for when you’re using the back camera.
 
Have you been eating Tic Tacs wrong this whole time?
21You
Maybe you’ve noticed the little indentation on the lid of a package of Tic Tacs before and figured it was there to tightly seal the container, right? Well, it also serves as a dispenser that gives you one Tic Tac at a time.
 
And the little disc under the lid of a plastic bottle?
22You
Have you ever pried one of them out and found that your bottle still closes fine? What purpose could they possibly serve then?
They’re there to create a seal that keeps EVERYTHING in that bottle, both liquid and carbonation. Without it, that soda would go flat in no time.
 
What’s that mysterious blue side of an eraser for?
23You
You’ve always heard that it could erase pen ink. Well, it can. But it only really works on very strong, thick paper.
The blue side is harder and more abrasive that the softer pink side, and takes a lot more paper off when you use it, which is why you’ve probably erased clean through the paper any time you’ve tried to use it.
 
And why do wine and champagne bottles have those indentations in the bottom?
24You
It’s not there so that the sommelier can get a better grip while they’re pouring, which is probably what you’ve always heard.
It’s actually there to compensate for the pressure that the contents of the bottle go through during the corking process. The sides and bottoms of bottles are weak spots, and the indentation helps evenly distribute the pressure inside the bottle. That’s why it’s so much deeper on champagne bottles, which are under much more pressure due to the carbonation.

Source: FunFunky

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