Main content
How does GPS work?
The US Space Force controls the 31 satellites 12000 miles above the earth that give us GPS
Duration:
This clip is from
More clips from Food Delivery App
-
![]()
What’s a thermal bag made of?
Duration: 01:53
More clips from The Secret Genius of Modern Life
-
![]()
How F1 legend Jackie Stewart made motorways safer…
Duration: 03:01
-
![]()
Eggbert demonstrates how not to crash!
Duration: 02:39
-
![]()
How your smart doorbell tracks every move…
Duration: 02:37
-
![]()
The billion dollar doorbell deal…
Duration: 03:03
