Technology 'Light from sound' could spot cancers and terrorists Semiconductor devices could one day convert sound into light at terahertz frequencies, a radiation range that can detect skin cancers before they are visible on the surface. Such light could also provide a privacy-protecting alternative to naked body scanners in airports. Terahertz radiation occupies the region between infrared and microwave frequencies on the electromagnetic spectrum. … News
The avatar revolution: Here come the new humans WHEN it was unveiled in June 2000, the first draft of the human genome marked a new stage in our understanding of who we are. Ten years later and our view of human identity may be changing again. Thanks to the plethora of personal information about each of us on the internet, we may soon … Opinion
Life Immortal avatars: Back up your brain, never die Upload your life Editorial: The avatar revolution: Here come the new humans ZOE GRAYSTONE is a girl with two brains. Only one of them is human: the other is an exact digital copy that has become conscious in its own right. When the human Zoe dies, her digital brain is implanted into a humanoid robot, … Features
Enigma Number 1598 Twin squares For my birthday, my wife Astrid made identical sets of cards. On each card a letter of ASTRIDOWEN is displayed, together with its own characteristic digit chosen from 0-9. On the day, Astrid's sister Enid sat on our three-seater settee with our twins Eden and Toni and, when they held up the cards … Regulars
Formula 1 team's amazing vests Formula 1 team's amazing vests READERS Felix Naughton and Fergal Toohey are probably not the only ones who find it hard to understand why the top Formula 1 racing team Red Bull has signed up FIR-TEX (Far Infrared Rays TEXtile) as an "innovation partner". Announcing the deal at bit.ly/BullTEX , Red Bull says somewhat ungrammatically: … Regulars