Solar panels keep getting lighter and tinier—good news for rugged on-the-go types who can charge their devices on the trail with sun-fueled chargers. And this particular solar charger on Kickstarter is so thin, you can slip it in your Lonely Planet while it feeds your phone battery.
So far, specific details are thin on the new battery designed for home use that Tesla’s announcing next week. But just based on what we do know, it’s a pretty big deal. The quest for a good battery that can store home-generated power is kind of like the holy grail for a renewable energy future. This one product might change everything.