Tuning terahertz transmission

The ability to manipulate light on a subwavelength-scale could lead to a revolution in photonic devices such as antennas, solar panels, and even cloaking devices. Nanotechnology advances have made this possible through the ...

Optoacoustic microscopy at multiple discrete frequencies

Optoacoustic imaging powered by short bursts of continuous wave (CW) lasers can stimulate the emission of ultrasound waves inside an animal or in human subjects. The method can noninvasively capture blood flow and produce ...

Hack attacks, explained

Computer network hackers calling themselves the Syrian Electronic Army earlier this week disrupted The New York Times' website for nearly a day and electronic publishing on the Twitter social network for several hours. Also ...

Time zone database has new home after lawsuit

The organization in charge of the Internet's address system is taking over a database widely used by computers and websites to keep track of time zones around the world.

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