A growth in the use of crystal quartz to make tools thousands of years ago shows the sophistication of ancient communities, according to new research.
Archaeology
May 10, 2019
6
456
A team of scientists including Carnegie's Michael Ackerson and Bjorn Mysen revealed that granites from Yosemite National Park contain minerals that crystalized at much lower temperatures than previously thought possible. ...
Earth Sciences
Jun 27, 2018
0
190
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
4
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
0
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
0
535
Researchers from the National Institute of Standards and Technology (NIST) and the Food and Drug Administration (FDA) have demonstrated that they can make sensitive chemical analyses of minute samples of nanoparticles by, ...
Nanomaterials
Feb 24, 2014
0
0
Archaeologists working at the Smithsonian Tropical Research Institute in Panama have discovered a cluster of 12 unusual stones in the back of a small, prehistoric rock-shelter near the town of Boquete. The cache represents ...
Archaeology
Jan 14, 2013
2
0
(PhysOrg.com) -- Rice University scientists have demonstrated a new way to see and quickly measure DNA/protein binding, a discovery that prompted one journal reviewer to write, "This study has made my day."
Biochemistry
Mar 18, 2011
1
0
A new chemical analysis technique developed by a research group at the National Institute of Standards and Technology uses the shifting ultrasonic pitch of a small quartz crystal to test the purity of only a few micrograms ...
Analytical Chemistry
Nov 24, 2010
0
0
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 ...
General Physics
Sep 3, 2009
2
0
