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Device R&D

Electronic contact lens displays pixels on the eyes

The future of augmented-reality technology is here - as long as you're a rabbit. Bioengineers have placed the first contact lenses containing electronic displays into the eyes of rabbits as a first step on the way to proving they are safe for humans. The bunnies suffered no ill effects, the researchers say.

Toyota shows healthcare robots

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Toyota has revealed a series of healthcare robots, including one to help people with a paralysed leg walk. The machines incorporate fast servos and sensors that detect posture and other subject attributes. Two of them use technology...

DARPA solicits satellite air-launch proposals

DARPA has released a broad area announcement (BAA) calling for information about launching small satellites from aircraft as a low-cost alternative to expensive vertical rocket launches. The programme, called airborne launch assist space access (ALASA), calls for a range of modified carrier aircraft and custom-built rockets.

Science: Nuclear clock could steal atomic clock’s crown

Atomic clocks are the basis of GPS devices, they define the official length of the second and recently played a role in tracking subatomic particles that seemingly travelled faster than the speed of light. Now this "ultimate" timekeeper has a rival: a new method for making nuclear clocks suggests such devices could be 60 times as accurate as their atomic rivals.

Light your house with lasers

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US researchers at Sandia National Labs have demonstrated that people are comfortable with viewing objects lit by four coloured lasers - blue, red, green, and yellow - instead of white LEDs or light bulbs. Lasers are extremely...