Earth Snap up wave power with a magnetic trick A WAVE-DRIVEN generator with virtually no moving parts could make wave power a more efficient and competitive form of renewable energy. The key to the device, dubbed the Snapper, is the way it converts a slow, steady wave motion into an efficient current-generating jackhammer-like action. Despite growing enthusiasm for wave power in countries such as … 51¶¯Âþ
Health Animal rights and wrongs THE demonstration in Oxford two weekends ago at which 600 people expressed their support for animal testing could have big implications for scientific research. Medical students, researchers and scientists, previously reluctant to speak up for fear of intimidation and harassment, took to the streets in response to protesters who are campaigning against a new animal … Opinion
Life Stem cells: Miracle postponed? HYEONI KIM believed. He had been paralysed at just 8 years old when he was hit by a car on his way home from school. So when South Korea's science superstar, Woo Suk Hwang, asked if his team could take skin cells from Kim and use them to obtain stem cells that might one day … Features
Technology Galileo's Instruments of Credit: Telescopes, images, secrecy by Mario Biagioli IN 1609, while he was professor of mathematics at Padua in Italy, and in his mid-40s, Galileo Galilei heard of the invention of the telescope by Hans Lippershey and constructed a vastly improved version with lenses that he ground himself. Within six years, the astronomical discoveries he made with it took him from being an … Books & Arts
Feedback Smelly trademarks YOU can't launch a red postal service in the UK or a purple-wrapped chocolate in New Zealand because the Post Office and Cadbury have trademarked these colours. You could, at the time of writing, make a motorbike that sounds like a Harley (Feedback, 10 December 2005). Now Edward Phillips alerts us to the … Regulars