8 Things Whose Purpose We Could Never Have Guessed
The loop on the back of your shirt can have 3 possible explanation. The first one is most palpable - to hang your shirt somewhere in the wardrobe. The second reason can be explained to fasten a tie as per the era of removable shirt collars and handkerchiefs. The third idea is a passionate one which was given by a pupil at an American University, to detach the loop from his shirt when he started dating a girl, to show he is committed.
#7 Cylinder on Laptop’s power cable
The duct on your laptop’s power cable which you might have observed while using a laptop. This small and unimportant looking thing is called ‘ferrite bead’ which suppresses high-frequency noise in electronic circuits.
It has a Ferrite insert around which the cable is enfolded and due to this piece of ferrite, the noise is suppressed.
#6 The tiny hole in the window of a plane
The window panes in an airplane are made up of two pieces of plastic glass. The tiny hole enables air to pass and equalize the pressure between the plane cabin and outside. Otherwise, the internal glass pane could smash because of the difference in gravity.
#5 Blue portion of eraser
Frankly speaking, nobody is aware of the actual purpose of the blue portion, almost everyone believes that it is used to get rid of pen marks.
The actual purpose of the blue portion is to eliminate the markings from the dense sheet of paper which were left behind while using the pink portion.
#4 The horizontal button holes on your shirt
Is it tailor’s mistake?
You might have surely wondered why buttons on the uppermost and the lowest part of the shirt are in the horizontal direction, unlike others. The reason is just a simple one that these two buttons are most prone to come out, thus to keep them firm and in its place, they are stitched horizontally.
#3 The small pocket present on your jeans
In 1873 this concept of small pocket was introduced by Levi’s jeans which were used to keep pocket watches. It is still officially referred to as ‘watch pocket’ by the manufacturers.
Later, it was commonly believed to exist to hold contraception.
#2 The hole at the top of ballpoint pen cap
It is believed that the hole at the top of the ballpoint pen cap is there to let the air pass through the lungs if by mistake it gets stuck in the person’s esophagus.
The other reason is that if anything gets trapped in person’s trachea then the mucus membrane inflates hence this hole prevents the cap from getting absorbed into the membrane.
#1 The extra eyelets on your sneakers
Only a few people pay heed to the additional eyelets present on top of their running shoes. This was designed keeping a purpose in mind, to keep the shoes intact in position on your feet & avoid them from hurting your ankles while playing any sport.
Check out the video to know better!
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