Pure quartz glass is highly transparent and resistant to thermal, physical, and chemical impacts. These are optimum prerequisites for use in optics, data technology or medical engineering. For efficient, high-quality machining, ...
Materials Science
May 17, 2018
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3
Airborne dust from Asia travels across the Pacific passport-free, carrying pollution, building soil, and coloring sunsets thousands of miles from its source. Identifying that source is important for understanding atmospheric ...
Earth Sciences
Aug 31, 2017
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3
Normal crystals, likes diamond, are an atomic lattice that repeats in space, but physicists recently suggested making materials that repeat in time. Last year, UC Berkeley's Norman Yao sketched out the phases surrounding ...
Condensed Matter
Jan 26, 2017
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17713
Researchers have now found an explanation for what triggered the largest volcanic eruption witnessed by mankind. The volcano's secret was revealed by geochemical clues hidden inside volcanic quartz crystals.
Earth Sciences
Jan 26, 2017
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273
Super-eruptions—volcanic events large enough to devastate the entire planet—give only about a year's warning before they blow.
Earth Sciences
Jul 21, 2016
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748
Repeatedly throughout Earth's history, giant pools of magma greater than 100 cubic miles in volume have formed a few miles below the surface.
Earth Sciences
Oct 20, 2015
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535
A group of Russian scientists recently presented their research into the process of laser pulse filamentation—the effect produced when a laser beam propagating in air focuses into a filament. The researchers discovered ...
Optics & Photonics
Jun 1, 2015
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24
The light generated by researchers from the Max Planck Institute for the Science of Light in Erlangen is more colourful than a rainbow. The scientists couple a low-energy, infrared laser pulse into a photonic crystal fibre ...
Optics & Photonics
Mar 16, 2015
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75
For tiny fractions of a second, quartz glass can take on metallic properties, when it is illuminated be a laser pulse. This has been shown by calculations at the Vienna University of Technology. The effect could be used to ...
Optics & Photonics
Aug 26, 2014
3
1
(Phys.org) —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 100 years, these ...
General Physics
Jul 17, 2014
1
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