A video that demonstrates wardriving.
*note - listen to the sound quality difference between in the large, echoey room and inside the car. A car actually makes a nice recording studio.
29 February 2012 Last updated at 01:17 ET A credit-card sized computer designed to help teach children to code has gone on sale for the first time. The Raspberry Pi is a bare-bones, low-cost computer created by volunteers mostly drawn from academia and the UK tech industry.