Eric Walstad made this off-grid weather station with a netbook, a 135W solar panel, a desktop weather station, hardware, a breadboard power supply, and a webcam.

Plugging an Arduino for off grid use can be done with a battery with usb, solar, or with battery and solar. If your don't have a computer of AC, Voltaic can help.

Earl, a tablet engineered built for survival, Earl working where today's smart phones and tablets cannot, using Android 4.1 together with an E-Ink screen and GPS, weather sensor, and radio communication technology.

The sun heats the water into steam, which removes the salt through an expansion nozzle to condense fresh water in the lower basin. Prototype designed by Gabriele Diamanti, finalist at the 2011 Prix Emile Hermes competition.