While wheelchair design is advancing, allowing chairs to do things like move sideways and diagonally and follow the person next to them, stairs and curbs remain a formidable hurdle for all but a few models. It's an obstacle, however, that Japanese researchers are looking to overcome.
A team at Chiba Institute of Technology has rolled out a new robotic wheelchair that can climb over steps, ditches, and other roadblocks. The four-wheel-drive, five-axis vehicle maneuvers like a typical wheelchair -- except when it encounters an obstacle. Then it uses its wheels like legs. … Read more
An unmanned cargo ship loaded with spare parts, science equipment, and crew supplies -- including ice cream treats -- rocketed into orbit Sunday and set off after the International Space Station, kicking off a new era of commercial resupply flights intended to restore a U.S. supply chain that was crippled by the shuttle's retirement.
The Dragon capsule and its Falcon 9 rocket, both built by Space Exploration Technologies, took off with a rush of fiery exhaust at 8:35:07 p.m. EDT (GMT-4), quickly climbing away from launch complex 40 at the Cape Canaveral Air Force Station.… Read more