Invisibility carpets have a flaw that makes the objects they hide detectable
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The best of the rest from the Physics arXiv this week
The limited power and processing ability of RFID chips makes them vulnerable to attackers operating at a distance. A new protocol could tackle this problem.
Scientist find life in a lake of asphalt that is the closest thing on Earth to the hydrocarbon seas on Titan
Graphene may be the world's strongest material. But put it under enough strain and it simply evaporates into thin air, says a new study of the way graphene breaks.
Quantum number generators produce random numbers that are measurably different from those that computer programs generate.
Astronomers propose the first objective definition of a planet that separates potato-like objects from spherical ones
The best of the rest from the Physics arXiv this week:
Mathematicians prove that a three-stranded rope is always 68% the length of its component strands, regardless of the material from which it is made.
A team from NIST measures the smallest force ever recorded, beating the previous best by three orders of magnitude