Reaction Carts/Gliders
[L | t+ | —]
Twin back-to-back spring loaded carts on track or gliders on airtrack.
Reaction on Conveyor Track
[L | t+ | ★★★]
Two volunteers sit on a conveyor track. Even if just one person pushes the other, both people move away from the interaction.
Reactionary Roadbed
[L | t+ | ★★]
Radio controlled car moves one way while road moves the other.
[In-Depth Description]
Air/water Rocket
[M | t |— ]
The choice of propellant for this toy rocket makes a huge difference in thrust.
[In-Depth Description]
Rocket Car
[L | t+ | —]
Single seat CO2 powered rocket cars.
Reverse Sprinkler
[M | t | ★★★★]
Which direction does a lawn sprinkler spin if water enters the nozzle, rather than being expelled from the nozzle? Instead of water, the fluid in this working model is air.
Hero's Engine
[M | t+ | —]
A Cylindrical boiler with tangential steam jets spins on its axis.
Repulsive Symmetry
[S | t | —]
A pair of horseshoe magnets symmetrically repel each other as observed on OHP.
Sailboat Reaction Cart
[M | t | —]
A motorized fan mounted on a reaction cart blows air into a "sail" which is also mounted on the cart. Which way will the cart move?
[In-Depth Description]
Contact Us
Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu