Monthly Archives: September 2015

Electricity from the air

Free energy from the air. It sounds like a fantasy but that is what the entrepreneur and former science minister Lord Drayson has just unveiled at London’s Royal Institution. He claims that a technology called Freevolt can be the power…

Ceres’ spots remain mysterious

Image copyright NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Image caption The Occator Crater, colour-coded to show differences in elevation, and its baffling bright spots The team behind Nasa’s Dawn mission to Ceres has released striking new images, but remains unable to explain the dwarf planet’s…