wind

A startup company called Energy Vault is developing a system that uses gravity to store renewable energy generated by wind and solar panels. The system works by hoisting hundreds of large 24-ton bricks made of compressed dirt up the side of a ... building. It hoists the gigantic brick batteries using energy previously generated by solar panels or wind turbines, then stores them inside the structure. (Source: cnet.com ) When power is needed, the bricks are lowered, spinning electrical power generators in the process. The bricks are abundant and cheap to make, and replace the need to purchase ... (view more)

The next edition of the Google Android operating system for phones and tablets will include measures to help users spend less time on their mobile devices. The update also makes notifications more useful and addresses battery life problems. The ... changes come in a new version of the operating system that's officially called Android 9.0 but nicknamed Android Pie (or "Android P"), continuing a pattern of naming updates after food. It's already available for Google's own Pixel phones and will then start gradually rolling out to other models, though older handsets may not get the update. ... (view more)