Sun-powered system developed by MIT students could provide electricity, heat and cooling to rural schools and clinics. In some isolated clinics in parts of Africa, the electricity needed to... Read more
Abandoned Mine Tunnels Might Ferry Geothermal Energy from Deep Underground Underground mining is a sweaty job, and not just because of the hard work it takes to haul ore: Mining tunnels fill... Read more
The kids at Philips have just announced something called InstantTrust, a UV water purification system that heralds “the first time water can be disinfected instantly, efficiently and i... Read more