Water will conduct electricity, so why not use it to switch on a lamp? [Manvith Subraya]’s Hydro Lamp is, among other things, a reminder not to let Big Switch dim your idea of what’s possible ...

A New Zeland-based designer Henry Glogau has developed Solar Desalination Skylight, a device that uses seawater to create natural ambient light, drinking water, and generates energy from the remaining ...