"What is" Series | Lecture 3: What is the Big Bang?
![](https://i.ytimg.com/vi/q_fjoc0pJx8/mqdefault.jpg)
1:29:57
"What is" Series | Lecture 4: What is a Black Hole?
![](https://i.ytimg.com/vi/2Qi0FBbfbzE/mqdefault.jpg)
1:50:23
Classical and Quantum Fields in Physics | Dr. Pervez Hoodbhoy
![](https://i.ytimg.com/vi/DxL2HoqLbyA/mqdefault.jpg)
27:15
O Conceito Mais Mal Compreendido da Física
![](https://i.ytimg.com/vi/wLEmmFGM_IE/mqdefault.jpg)
1:16:07
"What is" Series | Lecture 1: What is Infinity?
![](https://i.ytimg.com/vi/sYPkIWeEYtk/mqdefault.jpg)
28:30
Teoria das cordas | Astronomia #9
![](https://i.ytimg.com/vi/n5j4a8LvGws/mqdefault.jpg)
1:25:15
Demons and Devils in Physics | Dr. Pervez Hoodbhoy
![](https://i.ytimg.com/vi/c03JD_p_N08/mqdefault.jpg)
1:19:08
Back from Bangladesh: Reflections on its Science, Society and Politics
![](https://i.ytimg.com/vi/fGPJZ6O3lVU/mqdefault.jpg)
2:03:31