Five things whose purpose is little known
WEB DESK: Ever wonder what does the loop of a shirt on the back is for? Or that little hole in that ball point cap? No? Well, this article is just for you then!
Here are few things whose purpose is known to the very few.
The hanging loop on the back of your shirt
The loop at the back is used to hang up your shirt in the correct manner. Another reason is it can somehow be used to tie a tie.
The cylinder on your laptop’s power cable
This small but very important device is called a ’ferrite bead.’ It suppresses high-frequency noise in electronic circuits. Its design is incredibly simple: it has an insert made from ferrite which the cable is wrapped around.
The tiny hole in the window of a plane
Airplane windows are made of two plastic pieces put together. The tiny hole actually allows the cabin pressure and the outside air pressure at a balance.
The blue part of your eraser
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