Heading into space means leaving Earth's gravity behind. Astronauts floating around on the International Space Station might look like they're having fun in the weightless environment, but a lack of ...
It sounds like something more akin to alchemy, but engineers have developed a new light powered by gravity. The GravityLight is aimed at helping the 1.3 billion people who live without electricity in ...
Researchers in Canada have proposed using gravity-based energy storage in high-rise buildings, in combination with photovoltaic facades, small wind turbines, and lithium-ion batteries. Their modeling ...