05/03/2015

Thomas Edison's 'lost' idea: A device to hear the dead

One of Thomas Edison's little-known ambitions was to build a device to hear the voices of the dead, according to a nearly lost chapter of the inventor's memoirs which is being republished in France this week.

Five business models for urban farming

There is good money to be made in urban farming. Wageningen UR research into business models found five different options and showed how smart urban farmers can best choose for a combination.

Researchers take to the skies to assess infrastructure damage

Drones, or unmanned aerial vehicles (UAVs), have become increasingly popular over the last half dozen years or so among amateur aeronautical aficionados, engineers and generally anyone fascinated with relatively inexpensive ...

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