We go through life taking it for granted not understanding or questioning the functionality of little things we use everyday. While there are many who couldn’t be bothered and regard such things as trifles, there are those who wonder at their existence. Here are 10 things with uses unknown to you.
1 Extra eyelets on sneakers
These are actually extra shoelaces holes top help you tie your sneakers in a better fashion and prevent blistering. The trick was to enable a wearer to create a heel lock or lace lock to secure the ankle in place and prevent friction which would cause blistering.
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2 The cylindrical structure attached to a laptop cable
This is called a Ferrite bead which contains a chunk of magnetic material. The cylindrical casing together with this element acts as an inductor and filter which reduces high frequency noise. It also prevents the cable from becoming a transmitter or receiver of radio waves as any long wire can work as an antenna.
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3 The Loop on a Shirt
You must have noticed the loop on the back of your shirts. That has been put there for a purpose although it looks like you could just snip it off. It is regarded as an accessory which you can use to hang your clothes or fasten a tie.
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4 The Blue portion of an eraser
When most of us were in school or college, we always assumed the blue part of an eraser was meant for erasing pen marks. However the blue part was meant to work as a brush for clearing specs of dirt left when erasing with the pink part. Since people failed to comprehend this functionality, manufacturers started promoting the blue part as an ink eraser.
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5 Little gaps in windows of a plane
These tiny holes contribute to saving your life. They prevent the breaking of window panels by maintaining a balance of pressure between the outer and inner window panels.
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