Optical instruments last
![](https://i.ytimg.com/vi/3UZa4xKncZw/mqdefault.jpg)
21:28
First class of magnetic effects of current
![](https://i.ytimg.com/vi/IYoT9kigF-w/mqdefault.jpg)
22:07
La physique des arcs-en-ciel
![](https://i.ytimg.com/vi/U9-xG4wNhRk/mqdefault.jpg)
38:43
Revision of 4rth last
![](https://i.ytimg.com/vi/EjZB81jCGj4/mqdefault.jpg)
22:59
Le paradoxe du dôme : une faille dans les lois de Newton
![](https://i.ytimg.com/vi/7_FVZvwGjT4/mqdefault.jpg)
29:02
work energy power first revision
![](https://i.ytimg.com/vi/YPn9vg_2BoQ/mqdefault.jpg)
25:16
Optical instruments 1st
![](https://i.ytimg.com/vi/_hvAlt3lhMI/mqdefault.jpg)
31:08
System of particle revision first must watch
![](https://i.ytimg.com/vi/SH77lvDaErU/mqdefault.jpg)
30:52