Thursday, Jun 18, 2015
The earth, our home, is beginning to look more and more like an immense pile of filth.— Pope Francis (@Pontifex) June 18, 2015
Friday, May 22, 2015
bladeless wind turbines
Wednesday, Mar 18, 2015
A working microwave thruster would radically cut the cost of satellites and space stations and extend their working life, drive deep-space missions, and take astronauts to Mars in weeks rather than months. In hindsight, it may turn out to be another great British invention that someone else turned into a success.