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Rare earth ions in a crystal become candidate for a quantum memory

(Phys.org) —A promising material is lining itself up as a candidate for a quantum memory. A team at the Max Planck Institute for the Science of Light in Erlangen is the first to succeed in performing high-resolution spectroscopy ...

Visions of 1964 World's Fair didn't all come true

Video phone calls? Yeah, we do that. Asking computers for information? Sure, several times a day. Colonies on the moon and jet packs as a mode of everyday transportation. OK, maybe not.

Space station computer outage may force spacewalk

A computer outage at the International Space Station may require a spacewalk by astronauts and threatens to delay next week's launch of a commercial supply ship for NASA.

New study finds 'geologic clock' that helps determine Moon's age

An international team of planetary scientists determined that the Moon formed nearly 100 million years after the start of the solar system (4.470 billion years ago), according to a paper to be published April 3 in Nature. ...

Ultrabright lasers help switch single photons

(Phys.org) —In the search for a single photon source, researchers in Australia and France have achieved a major step towards a turn-key source of individual, precisely tailored photons from an integrated optical chip.

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