Building quantum states with individual silicon atoms

(Phys.org) —By introducing individual silicon atom 'defects' using a scanning tunnelling microscope, scientists at the London Centre for Nanotechnology have coupled single atoms to form quantum states.

Black Hat presentation shows iris-scanning breach

(Phys.org) -- A research team from Universidad Autonoma de Madrid and West Virginia University have troubling findings for those who think iris scanning is one of the safest methods of biometric security. Their reverse-engineered, ...

'Sleep talking' PCs save energy and money

Personal computers may soon save large amounts of energy by "sleep talking." Computer scientists at UC San Diego and Microsoft Research have created a plug-and-play hardware prototype for personal computers that induces a ...

NASA team advances next-generation 3D-imaging lidar

(Phys.org) —Building, fixing, and refueling space-based assets or rendezvousing with a comet or asteroid will require a robotic vehicle and a super-precise, high-resolution 3-D imaging lidar that will generate real-time ...

iPhone 5S fingerprint scanning: Thumbs up or down?

Technology to acquire and use biometric data such as fingerprints has been around for several decades and has made its way from forensic investigation to laptop computers – and now, with this week's introduction of iPhone ...

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