Battery used Battery charging
Written by

Kris De Decker

Heat your House with Car Tyres and Earth

Energy hungry America teaches the world how to build ecological houses.

Email in the 18th Century: The Optical Telegraph

More than 200 years ago it was already possible to send messages throughout Europe and America at the speed of an aeroplane – wireless and without need for electricity.

Second Hand Bits and Bytes

You find them everywhere. Shops with used books, comics, compact discs - but where is the second hand market for digital products?

High speed trains: planes on wheels

From an ecological point of view, the strategy to move travellers from airplanes to high speed trains just doesn’t make sense.