Astronauts practice using hand wheels to secure hatches in their vehicles. Students can also practice this with the Screw Hatch – and they learn about the advantage of torque. Using this device provides students a hands-on connection to two simple machines: the wheel and axle and the screw.
Astronauts practice using hand wheels to secure hatches in their vehicles. Students can also practice this with the Screw Hatch...
California Proposition 65 WARNING: This product contains one or more chemicals known to the State of California to cause cancer, birth defects, and other reproductive harm.
