Involute of the circle
![](https://i.ytimg.com/vi/VznBJkOYCqY/mqdefault.jpg)
8:59
Cycloid of the circle
![](https://i.ytimg.com/vi/ElyVqTTBPWM/mqdefault.jpg)
10:24
Helix on the cylinder
![](https://i.ytimg.com/vi/ERKglH8Y5SE/mqdefault.jpg)
16:08
Gear Manufacturing Method - Casting
![](https://i.ytimg.com/vi/gzDO3-Vtv9A/mqdefault.jpg)
28:35
First Cosmic Velocity & Escape Velocity Explained | Orbital Mechanics, Satellite Orbits, JEE Physics
![](https://i.ytimg.com/vi/NYIb-Hfd_-4/mqdefault.jpg)
8:50
Parabola by rectangle method
![](https://i.ytimg.com/vi/88bMVbx1dzM/mqdefault.jpg)
21:29
What if you just keep zooming in?
![](https://i.ytimg.com/vi/KQzMfMLsm18/mqdefault.jpg)
13:06
HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
![](https://i.ytimg.com/vi/f5liqUk0ZTw/mqdefault.jpg)
12:21