การดู
3:40
SPECIAL! Vacuum, soft laser şi criolipoliză într-un singur aparat
0:21
China launches space-based observatory to unravel Sun's secrets
1:49
Frații Tate, speriați de un bărbat cu pistol airsoft la vila lor din Voluntari. Ce plănuia individul
0:08
Very Big Sunspot 4079 Close Up! // Captured from My Backyard #astronomy #solarsystem #space
0:30
India launches its first space-based observatory
2:22
1000 days since the launch of the Spectr-RG space astrophysical observatory [space news]
0:54
Physicist Brian Greene explains the Double-slit experiment #physics
1:55
Hong Kong’s typhoon warning signals explained
