String wave machine

A jumprope string between two motors with a resistance wire speed control that makes waves of many sizes.

[@PlayNowWorkLater]

That’s a pretty impressive simple setup that allows you to explore several different science concepts. Electron flow. Resistance. Harmonics in waves. Cool project.

[@subhrajyotibiswas8593]

Excellent!

[@sivoltage]

Amazing

[@Always__absent]

Exactly what kind of string is used?

[@zioeddy3338]

Si ma a che serve?

[@user-pb7op6rf5j]

what do you call that thing you put in the hole? (1:00)

[@user-pb7op6rf5j]

and also what kind of battery do you used?

[@marbrose4804]

Screw eye hooks