Light - not electric signals - is the future of information transfer, says IBM as it reveals a "major advance" in chip technology. Calling the tech "silicon nanophotonics", IBM reckons it integrates...
The first Macs with Apple chips will arrive by the end of the year
Additional $250 million sees the Silicon Valley start-up's value rise to $4.5 billion
It will use a light pattern recognition module to determine the face of the user