A gravity powered LED light has been introduced by the designers of GravityLight. This light produces its own energy by, you guessed it, gravity. A string on one side of the light is pulled, lifting a ...

A lamp for $5 that does not require any electrical power source? It may sound like an impossible dream, but two designers in London have built functioning prototypes of GravityLight, a cheap way for ...

The whole "overland" craze has exploded in popularity over the course of the past several years and is currently showing no signs of slowing down. Eager to jump on that bandwagon, we decided early on ...

Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more While most off-road LED light bars come with a combination of spot and flood beam ...

Stockholm-based American designer Simon Morris has combined science with a stroke of design wizardry to create a surreal, gravity-defying light bulb. Currently raising funds on Kickstarter, Morris has ...

Here’s a fun entry into our coin cell challenge. The power source is the actuating force in [Frank]’s blinky LED Christmas tree, which takes advantage of the physical structure of coin cells and our ...