Gravia: LED Lamp Lit by Gravity Lasts 200 Years, Never Plugs In
When we talk about going off-grid, or otherwise unplugging from traditional power sources, it usually involves solar or wind power, or some other alternative that doesn’t involved your local utility. Young designer Clay Moulton has figured out how to harness a different source to create electricity: gravity. “Gravia” is his LED-lit floor lamp that combines human power and gravity to create a lighting source that will work for 200 years or so, and never need to be plugged in. The lamp…