The solar-powered aircraft Solar Impulse 2 has taken off from New York to attempt a transatlantic flight.

Pee your own power at this year's Glasto.

Levi's and tech start-up Evrnu have produced a prototype pair of jeans made from discarded cotton T-shirts.

The GeoOrbital orbital bicycle wheel can make your bike electric in just 60 seconds.

The Jiffy emergency phone charger uses kinetic energy to juice up your gadgets.

Solar Impulse 2 is to resume its solar-powered round-the-world flight from Hawaii.

The magical Fontus self-filling water bottle is now available to us mere muggles.

Organic veg box service Abel & Cole has introduced a fully compostable veg bag.

The University of Edinburgh will now only buy products that do not contain conflict minerals.

Bios Incube uses smart technology to help grow trees from cremated ashes.

Eighteen square metres of land and nearly 13 tonnes of water go into making a smartphone, according to a new report on everyday goods.

Volvo has given away 2,000 cans of special reflective paint to cyclists to improve visibility.