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(PhysOrg.com) -- A Brigham Young University physics student and his professor had some fun with their new method of growing tiny machines from carbon molecules.

It could be the ultimate snooping tool: a single photon that can identify objects without interacting with them. So say a group of physicists who have developed a way to detect the presence of a known object without seeing it.

In a step toward a generation of ultrafast computers, physicists have used bursts of radio waves to briefly create 10 billion quantum-entangled pairs of subatomic particles in silicon. The research offers a glimpse of a future computing world in which individual atomic nuclei store and retrieve data and single electrons shuttle it back and forth.

Physicists have created a "hole in time" using the temporal equivalent of an invisibility cloak.