Spacetime—a creation of well-known actors?

Most physicists believe that the structure of spacetime is formed in an unknown way at the Planck scale, i.e., at a scale close to one trillionth of a trillionth of a metre. However, careful considerations undermine this ...

Not 1, not 2, not 3, but 4 clones!

Xi-Jun Ren and Yang Xiang from Henan Universities in China, in collaboration with Heng Fan at the Institute of Physics of the Chinese Academy of Sciences, have produced a theory for a quantum cloning machine able to produce ...

Conficker Worm Prepares For A New Release On April 1

(PhysOrg.com) -- The conficker worm created havoc last year when it infected over 10 million computers on a global scale. The unique design of the conficker worm allowed for this large scale attack to over 8 million business ...

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