Unlocking the secrets of the universe

Long ago, about 400,000 years after the beginning of the universe (the Big Bang), the universe was dark. There were no stars or galaxies, and the universe was filled primarily with neutral hydrogen gas.

Speeding algorithms by shrinking data

In computer science, the buzzword of the day is "big data." The proliferation of cheap, Internet-connected sensors—such as the GPS receivers, accelerometers and cameras in smartphones—has meant an explosion of information ...

Intruder alert: 'Smart Dew' will find you!

A remarkable new invention from Tel Aviv University — a network of tiny sensors as small as dewdrops called "Smart Dew" — will foil even the most determined intruder. Scattered outdoors on rocks, fence posts and doorways, ...

Microsoft Research does Cloud-Offloaded GPS

(Phys.org)—GPS reduces battery life in a smartphone or tablet, a problem that has challenged a team led by principal researcher Jie Liu at Microsoft Research. Liu has said in the past that sensing and energy are emerging ...

A father attempts DIY drone buddy to watch his kid

(Phys.org)—"Last winter, I fantasized about sitting at my computer while a camera-equipped drone followed him overhead." That is the revelation of a
 father who provides a detailed account of building an Arduino-based ...

Top 10 tech gadgets of 2013

Wearable gadgets, curved smartphones and new game consoles defined technology in 2013. That's why it's no surprise they make up the bulk of our top 10 devices of the year.

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