Concrete that generates solar power | Tomorrow Today

The concrete can conduct electricity and, after being coated with organic dyes like fruit juice, produces electricity through artificial photosynthesis. It’s an innovation from researchers at the University of Kassel.

How solar energy got so cheap, and why it's not everywhere (yet)

A lot speaks for solar energy. It’s clean, renewable – and now even cheaper than energy from fossil fuels like coal or natural gas. Sounds pretty great, right? But it only makes up a tiny bit of global electricity production. Why don’t we use a lot more of it yet? We’re destroying our environment at… Continue reading How solar energy got so cheap, and why it's not everywhere (yet)