Gravity Light - a Homemade/DIY one (version 1)

My homemade/DIY gravity light/gravity generator, that uses falling masses to power an LED as a reading light. The Gravity Light was invented by two fellows from Deciwatt for replacing kerosene lamps in remote villages. Support RimstarOrg on Patreon Subscribe for new videos every week Go to the main channel page here See also: *** Now up to 8 minutes run time with only a 2 1/2 f