'Nanotubes on a chip' could simplify optical power measurements

(Phys.org)—The National Institute of Standards and Technology (NIST) has demonstrated a novel chip-scale instrument made of carbon nanotubes that may simplify absolute measurements of laser power, especially the light signals ...

Scientists shed light on riddle of Sun's explosive events

(Phys.org)—Four decades of active research and debate by the solar physics community have failed to bring consensus on what drives the sun's powerful coronal mass ejections (CMEs) that can have profound "space weather" ...

Mobile industry champions paying with phones

Paying with a mobile phone is gradually become a reality for consumers, with banks, telecommunications operators and Internet players all jumping in to offer payment options.

Telecoms groups fight back against free messaging

Just past the security gate for the world's largest cell phone trade show in Barcelona, executives of big mobile carriers can't avoid walking past a booth they would probably rather not see: It's for "Pinger," a small California ...

Scientists meet to discuss usefulness of GMT

Leading scientists from around the world are meeting in Britain from Thursday to consider a proposal that could eventually see Greenwich Mean Time relegated to a footnote in history.

Physicists map spiraling light to harness untapped data capacity

Physicists with the Institute of Ultrafast Spectroscopy and Lasers (IUSL) at The City College of New York have presented a new way to map spiraling light that could help harness untapped data channels in optical fibers. Increased ...

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