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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

New spongelike structure converts solar energy into steam

The structure - a layer of graphite flakes and an underlying carbon foam - is a porous, insulating material structure that floats on water. When sunlight hits the structure's surface, it creates a hotspot in the graphite, drawing water up through the material's pores, where it evaporates as steam.

Posted: Jul 21st, 2014

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A noble gas cage

New material traps gases from nuclear fuel better and uses less energy than currently available options.

Posted: Jul 20th, 2014

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New metamaterial puts a twist in light

Scientists have uncovered the secret to twisting light at will. It is the latest step in the development of photonics, the faster, more compact and less carbon-hungry successor to electronics.

Posted: Jul 18th, 2014

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Future electronics may depend on lasers, not quartz

Nearly all electronics require devices called oscillators that create precise frequencies - frequencies used to keep time in wristwatches or to transmit reliable signals to radios. For nearly a century, these oscillators have relied upon quartz crystals to provide a frequency reference, much like a tuning fork is used as a reference to tune a piano. A new approach could ultimately replace the quartz crystal frequency reference - technology in use since the 1920s.

Posted: Jul 17th, 2014

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'Nanocamera' takes pictures at distances smaller than light's own wavelength

Researchers have demonstrated that an array of novel gold, pillar-bowtie nanoantennas can be used like traditional photographic film to record light for distances that are much smaller than the wavelength of light. A standard optical microscope acts as a 'nanocamera' whereas the pillar-bowtie nanoantennas are the analogous film.

Posted: Jul 17th, 2014

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