Technology - Engineering news

Rowheel wheelchair is pulled to move forward

(PhysOrg.com) -- Wheelchairs have a basic problem because the occupant must push the wheels forward to turn the chair’s wheels, but this action is physically stressful on the anterior deltoid muscles ...

Oct 08, 2010 report
5 / 5 (12) 7 | with audio podcast

Your vital signs, on camera

You can check a person’s vital signs -- pulse, respiration and blood pressure -- manually or by attaching sensors to the body. But a student in the Harvard-MIT Health Sciences and Technology program is ...

Oct 04, 2010
4.8 / 5 (12) 3 | with audio podcast

Laser shoots down drones at sea (w/ Video)

(PhysOrg.com) -- An infrared laser developed by Arizona company Raytheon Missile Systems has been demonstrated shooting down incoming drones over the ocean off the coast of California.

Jul 21, 2010 report
4.6 / 5 (22) 35 | with audio podcast

Radio Waves: Alternative Power Source

(PhysOrg.com) -- Researchers at Duke University are harvesting ambient radio waves to power small microprocessor devices that consume very little energy. Devices such as sensors that monitor critical environmental ...

Jul 20, 2010 weblog
4.2 / 5 (13) 2 | with audio podcast

A plane that lands like a bird (w/ Video)

Everyone knows what it's like for an airplane to land: the slow maneuvering into an approach pattern, the long descent, and the brakes slamming on as soon as the plane touches down, which seems to just barely ...

Jul 20, 2010
4.4 / 5 (23) 13 | with audio podcast

GRASP lab demonstrates quadrotors (w/ Video)

(PhysOrg.com) -- Quadrotors, robotic vehicles resembling tiny helicopters, have been demonstrated by a group of scientists in the US. The quadrotors were shown carrying out impressive maneuvers and lifting ...

Jul 16, 2010 report
4.7 / 5 (31) 15 | with audio podcast

New buoys enable submerged subs to communicate

(PhysOrg.com) -- Communicating with a submerged submarine has always been difficult, and since the submarine has to come up to periscope depth it has also been risky. Now a new buoy developed by Lockheed Martin ...

Jul 13, 2010 report
4.1 / 5 (8) 1 | with audio podcast