A giant six-legged robot could allow future lunar astronauts to be nomads. The flat-topped will be 7.5 metres across with 6-metre-long legs. It will crawl across the moon, carrying astronauts and their base on its back. When the crew wants to set up camp it will stop, moving on when they are ready to explore a new site. NASA is now testing a small prototype.
A force-feedback pen has been developed to help visually impaired children learn to write. The teacher writes on a touch-sensitive screen and the motion is then mimicked by a motorised…
