Lawrence Livermore National Laboratory researchers have developed an efficient method to measure residual stress in metal parts produced by powder-bed fusion additive manufacturing.
Engineering
Nov 17, 2014
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Wheat fields are often tilled immediately after the crop is harvested, removing the light-coloured stubble and crop residues from the soil surface and bringing dark bare earth to the top. Post-harvest tilling is a widely ...
Environment
Jun 23, 2014
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Scientists from Delft University of Technology have become the first to link the presence of pharmaceutical residues in the Rhine to the demographic characteristics of people living along the Rhine. This knowledge could be ...
Environment
Jan 2, 2014
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(Phys.org) —Milk cartons, plastic bags, car seats... the list of items made from petroleum extends far beyond fuel, increasing our reliance on limited fossil resources. That's why researchers in the Great Lakes Bioenergy ...
Materials Science
Aug 26, 2013
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Hunter-gatherers living in glacial conditions produced pots for cooking fish, according to the findings of a pioneering new study led by the University of York which reports the earliest direct evidence for the use of ceramic ...
Archaeology
Apr 10, 2013
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(Phys.org)—Native American hunter-gatherers living more than a thousand years ago in what is now northwestern California ate salmon, acorns and other foods, and now we know they also smoked tobacco—the earliest known ...
Archaeology
Mar 1, 2013
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(Phys.org) -- Tiny particles of cerium oxide do not burn or change in the heat of a waste incineration plant. They remain intact on combustion residues or in the incineration system, as a new study by Swiss researchers from ...
Bio & Medicine
May 25, 2012
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Microelectromechanical systems, or MEMS, are small devices with huge potential. Typically made of components less than 100 microns in size — the diameter of a human hair — they have been used as tiny biological ...
Engineering
Feb 28, 2012
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The production of ethanol from lignocellulose-rich materials such as wood residues, waste paper, used cardboard and straw cannot yet be achieved at the same efficiency and cost as from corn starch. A cost comparison has concluded ...
Biochemistry
Nov 8, 2011
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Like fine chefs, scientists are seemingly approaching a day when they will be able to make nearly any type of tissue from human embryonic stem cells. You need nerves or pancreas, bone or skin? With the right combination of ...
Biotechnology
Aug 14, 2011
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