Spacecraft could determine their position anywhere in the solar system to within five kilometres using signals from x-ray pulsars, say astronomers.
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The ability to copy electronic code makes one-time pads vulnerable to hackers. Now engineers have found a way round this to create a system of cryptography that is invulnerable to electronic attack.
The world's first quantum memory that stores the shape and structure of single photons has been built in a Chinese lab
A quantum internet capable of sending perfectly secure messages has been running at Los Alamos National Labs for the last two and a half years, say researchers
Social networks can be used to track random individuals in just 12 hours provided the right incentives are on offer, say computer scientists.
Social ties between humans are stronger than those between fruit flies or ants but weaker than those between bees, according to a cheerful new ranking based on how quickly creatures die when they become isolated
Happiness levels caputred by Tweets rise logarithmically with distance from our average location, say computer scientists studying Twitter sentiment
Mobile phone data reveal the counterintuitive effect that strong social ties can hinder rather than promote the spread of rumours, say social network theorists
Replacing terrestrial broadcasts with a cellular network capable of video-on-demand won’t make sense unless viewing habits change dramatically, concludes a new study on the future of television
The world's first electrostatically-driven graphene speaker matches or outperforms commercially available earphones, say physicists