ScienceXplosion
28.12. 14:30
The Era of the Air Pump
doporučit pořad na Facebooku
najít na ČSFD
Eric makes a rocket from a plastic bottle. Then he uses an air pump to cause a transfer of energy that launches the rocket into the sky.
Eric makes a rocket from a plastic bottle and some cardboard. Then he uses an air pump to cause a transfer of energy that is strong enough to launch the rocket into the sky.
Všechna vysílání pořadu
+ přidat všechny pořady
- odebrat všechny pořady