Inventions

• HeatWorks

• http://www.open-electronics.org/a-robotic-lawn-mowers-powered-by-solar-energy-with-an-arduino-heart/ jardin tondeuse gazon solaire

• http://homegrown.co.in/10-incredible-inventions-that-changed-rural-india/
• http://www.thebetterindia.com/topics/inventions/

• plâtre imprimé avec imprimante 3D et ultrasons

Concours

• http://www.mit100k.org/