"What is" Series | Lecture 4: What is a Black Hole?
1:26:54
"What is" Series | Lecture 5: What is Dark Matter and Dark Energy?
1:36:08
Time: How to Stop it and What Will Happen?
9:55
Why Didn't Astronauts See Stars on The Moon?
1:30:05
"What Is" Series (Lecture 4): What is a Black Hole?
51:23
Mezopotamya - Sümerler
1:41:58
Saaniha-e-Mashriqi Pakistan: Kia Hum ne Tareekh se kutch Seekha? | Farnood Alam and Pervez Hoodbhoy
13:33
Kuantum Dolanıklığı Tescillendi - Einstein Bir Kez Daha Kaybetti (!)
1:56:17