وثائقي
واقعي
برامج حوارية
Veritasium
16 موسم | 45 حلقة
2010/08/15
8.0
م1:ح1
1. How long does it take for the earth to go around the sun?
0.0
8/15/2010
م1:ح2
2. What causes the seasons?
0.0
8/16/2010
نظرة عامة
An element of truth | Science and engineering videos Veritasium is a channel of science and engineering videos featuring experiments, expert interviews, cool demos, and discussions with the public about everything science.
