A sewing machine works by weaving thread through fabric from the needle above and from the bobbin below, creating very small stitches through the […]
Here is an animation showing how to unlock a lock with (or without, for illustration purpose only) a key! Mordent locks have more complex structures, but they […]
The first silicon solar cell, the precursor of all solar-powered technologies, was produced by Bell Laboratories in 1954. It was claimed to be “the beginning of […]
An amazing video summarising all branches of Chemistry!
Here is an amazing video depicting the various branches of mathematics!
Watch this amazing video about how a mechanical watch works!
A cool little cube that can balance itself, jump up and “walk”! But how does it do these tricks, and what is the physics […]
It is more appropriate to call this an electromagnetic train, rather than electric train. How does it work? The “train” moves because of the […]
Depth perception is our ability to perceive the world in three dimensions (3D), and to gauge how far away an object is. This actually […]
In physics, sound is a mechanical wave of pressure and displacement (vibration) that propagates through a medium, such as air, water or a solid. It may […]
Many of us use laser printers on a daily basis. We know that it turns digital data on our computer into letters and images […]