Japanese geologist finds oldest known micrometeorite

(PhysOrg.com) -- Japanese geologist Tetsuji Onoue, of Kagoshima University, after studying chert rock (a form of microcrystalline quartz) he’d taken from Ajiro Island off the southern coast of Honshu, Japan, has discovered ...

Viscous cycle: Quartz key to tectonics

(PhysOrg.com) -- More than 40 years ago, pioneering tectonic geophysicist J. Tuzo Wilson published an article in the journal Nature describing how, over Earth’s long history, ocean basins opened and closed along North ...

Using Nanotubes in Computer Chips

(PhysOrg.com) -- MIT materials scientists have developed a new technique for growing carbon nanotubes that could replace the vertical wires in chips, permitting denser packing of circuits.

Optical atomic clock becomes portable

You imagine a clock to be different -- yet the optical table with its many complicated set-ups really is one. Optical clocks like the strontium clock in the Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig could ...

Inferring wildfire intensity from quartz luminescence

On 8 June 2020, the Mangum Fire ignited 16 miles north of the North Rim of Grand Canyon National Park. By the time it was mostly contained, about a month later, the fire had burned over 70,000 acres of land.

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