Technology has science behind it. Every small design has logic. Do you know the purpose of the small hole in your pen cap? I bet many of us don’t know the actual purpose of the feature. Like this, there are many everyday small things we use but don’t know the exact purpose of the features. This article is written to inform you such little things which you use but don’t know the purpose
Hole in Pen Cap
Many people think the hole in the ballpoint pen is there to keep the pen from drying out or to keep a pressure balance that prevents the pen from leaking. But the real reason is way far different than your thought.
The hole is there to lower the risk of suffocation. If a child accidentally eats the cap and chokes then the hole keeps their airway from closing up entirely.
The little pocket on the jeans
The little pocket on your jeans is actually for watches and it is designed for cowboys in the 1800s. But now we are in the 21st century and the pockets have taken a new appearance.
Levi Strauss website says, “Originally included as protection for pocket watches, thus the name, this extra pouch has served many functions, evident in its many titles: frontier pocket, condom pocket, coin pocket, match pocket and ticket pocket, to name a few.”
The little holes in the windows of airplane
There are two reasons:
First, the hole is to compensate for the air pressure. It allows air to flow into the plane and control the air pressure in the aircraft.
The second reason is it prevents the windows from fogging up.
The little bumps on the “F” and “J” on your keyboard
The reason behind the little bumps on the “F” and “J” is for; in 10-finger typing the two keys are the home keys and it indicates where your index fingers rest and help you find your way back to the home position without looking down your keyboard.
Hole in the pot handle
We all know the hole in the pot handle is there for hanging up the pot. Yes, this is a reason but it also has another reason. While cooking sometimes, you just set down your cooking spoon on the bench or on a bowl but next time you don’t need to struggle with the spoon, you can put your cooking spoon in the pot handle.
The Tic Tac lid
When you open the tic tac lid you might have noticed the little indentation on the flip lid. The purpose of this it serves as a dispenser that gives you one Tic Tac at a time.
The little disc under the lid of a plastic bottle
Have you ever thought why the little discs under the lids of plastic bottles are placed! The reason is it helps to keep everything in the bottle. The disc seals both the liquid and carbonation in the bottle. Without it, the soda would quickly go flat.
The hole on pasta spoons
The hole in the middle of pasta spoon is not only to strain the noodles and let the water drain out. Actually, the hole is just about the quantity of one person’s portion of spaghetti. So, if you are cooking for yourself and don’t understand how much is enough, just take the help of your pasta spoon.
Hole in the lollipop stick
Ever wondered why there is a hole near the top of a lollipop stick? No, this is not a whistle. The actual reason is by putting a small amount of candy inside, it keeps the whole thing from slipping right off.
Little holes in Converse All Stars
The holes in the sides of converse are for ventilation. Many believe the shoes are originally designed for basketball. So the holes were used to loop the laces through them for a snugger fit.
Label on plastic packaging
Have you noticed the small symbol on the plastic container? This is the resin identification code which telling you the type of plastic that an item is made from. There are seven kinds of plastics. These numbers are intended to help consumers know whether and how to recycle various plastic products and packages.
What is the use of the hole and the serrated edge on a tape measure?
The hole is there to hook onto nails or screws so you can measure safely without the tape measure slipping.
The serrated edge is there so that you can mark where your measurement is.
Hole in the padlock
The little hole in some of the locks are there to let the water drain out of the lock if you are using it outdoors. So it won’t rust in the rain or freeze in the winter. The hole is also used to oil the lock.
Little wings on Apple power cable
The wings flip up so that you can wrap the thinner part of the cable around the wings. Start by wrapping the thicker part around the power block and then the thinner section around the wings. It secures the whole thing with the little clamp on the end.
Little spikes inside some of the lids
The spikes are there so that you can get through the protective foil. You just need to flip it and push it in the foil easily on a new container.