28:23

How Resistor Work - Unravel the Mysteries of How Resistors Work!

13:10

What’s Inside a Manhole?

11:02

For this REASON 3D TVS DISAPPEARED 📺⛔

20:00

Miniature Hard Drives

17:37

The Hidden Complexity of Bearing Balls

14:19

The Version of Windows You'll Never See

33:45

Why It Was Almost Impossible to Make the Blue LED

23:08

Chinese Have Removed All the Sand from the Beach and What They Found in It Could Change the World