Cómo saben las bombas de gasolina cuándo apagarse solas
![](https://i.ytimg.com/vi/QrkiJZKJfpY/mqdefault.jpg)
19:22
Mechanical circuits: electronics without electricity
![](https://i.ytimg.com/vi/qTLR7FwXUU4/mqdefault.jpg)
21:37
World Record Chain Fountain? The Mould Effect Explained
![](https://i.ytimg.com/vi/UKiiiCEU8fw/mqdefault.jpg)
10:21
How do Fuel Nozzles Automatically Shutoff?
![](https://i.ytimg.com/vi/xUUW6SYl_ak/mqdefault.jpg)
19:19
We should use this amazing mechanism that's inside a grasshopper leg
![](https://i.ytimg.com/vi/TlSOMfDX-yY/mqdefault.jpg)
5:31
Pourquoi y a-t-il des pierres le long des voies ferrées ?
![](https://i.ytimg.com/vi/Vuoa04g334I/mqdefault.jpg)
22:32
This Tree Did NOT Go According To Plan!
![](https://i.ytimg.com/vi/VzqN4Cn8r3U/mqdefault.jpg)
12:30
Will a Kettle Full Of Alcohol Stay On Forever?
![](https://i.ytimg.com/vi/toVfvRhWbj8/mqdefault.jpg)
24:38