| Artist | : | Astrophysicist Explains Gravity in 5 Levels of Difficulty | WIRED |
| Title | : | WIRED |
| Duration | : | 2191 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Astrophysicist Explains Gravity in 5 Levels of Difficulty | WIRED |
| Title | : | WIRED |
| Duration | : | 2191 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |