15 Gifs which explain the working process of everything

#13 How the wings work

If you ever wish to have wings, they work like this.

Flight Patterns Of Different Animals

#14 The working principle of sewing machine

Ever imagined how the needle on a sewing machine stitches your clothes so fast?

Sewing Machine Needle Working

#15 Polymer Ball That’s Invisible in Water

Polymer Ball That's Invisible in Water