GravityLight uses weight to illuminate without batteries or fuel. [VIDEO]

GravityLight Uses Weight To Illuminate Without Batteries Or Fuel.

Dec 9, 2012 Technology 351580
Share this video on Facebook
Like our page

The GravityLight is a light source that is powered without batteries or fuel. It was invented by a small team of British engineers who, in this video, review their innovative creation.

More Information:  
Have something to add to this video? Share it in the comments.
You May Also Like

Report a problem