BBC pulls plug on world's oldest teletext service

BBC Ceefax, the world's first teletext service, ceased transmission on Tuesday after delivering 38 years of up-to-the-minute news and sports updates to the British public.

Intel unveils Rosepoint—CPU and WiFi on same chip

(Phys.org)—Justin Rattner, Chief Technology Officer at Intel, got up on stage at a recent Developer Forum sponsored by the company and talked about some of the communications technology it's working on; chiefly a chip it ...

3-D, after-the-fact focus image sensors invented

(PhysOrg.com) -- At the heart of digital photography is a chip called an image sensor that captures a map of the intensity of the light as it comes through the lens and converts it to an electronic signal.

High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component speeds up this process. ...

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