Nineteenth- and 20th-century archaeologists often made sweeping claims about Native cultures, suggesting that everyone who lived in a particular region at a given time shared the same attitudes and practices. A new study ...
Archaeology
Jun 23, 2021
0
216
If you have witnessed the rainbow pattern that dances on the surface of a CD or DVD, then you have seen diffraction at work. The disk acts as a diffraction grating, an optical element that disperses light into various colors ...
Optics & Photonics
Jun 2, 2021
0
16
Southern cities slammed by winter storms that left millions without power for days have traded one crisis for another: Busted water pipes ruptured by record-low temperatures created shortages of clean drinking water, shut ...
Environment
Feb 20, 2021
68
23
A fierce and deadly winter storm that wreaked havoc in the southern and central US and blanketed the East Coast in snow was forecast Friday to start tapering off.
Environment
Feb 19, 2021
2
9
Chicago has more lead water pipes than any other American city, yet federal regulations unveiled this week by the Trump administration likely won't require anything new to prevent homeowners and renters from ingesting the ...
Environment
Dec 23, 2020
4
54
When wildfires swept through the hills near Santa Cruz, California, in 2020, they released toxic chemicals into the water supplies of at least two communities. One sample found benzene, a carcinogen, at 40 times the state's ...
Environment
Dec 15, 2020
1
14
Researchers at Chalmers University of Technology, Sweden, have found that graphene-based heat pipes can help solve the problems of cooling electronics and power systems used in avionics, data centers and other power electronics.
Nanophysics
Dec 3, 2020
0
137
The water crisis in Flint, Michigan, brought much-needed attention to the problem of potentially toxic metals being released from drinking water distribution pipes when water chemistry changes. Now, researchers reporting ...
Environment
Sep 30, 2020
2
276
Researchers from RMIT University have developed an eco-friendly zero-cement concrete, which all but eliminates corrosion.
Materials Science
Sep 28, 2020
0
18
Six years after it began, the Flint, Michigan, water crisis remains among the highest-profile emergencies in the United States.
Environment
Sep 18, 2020
7
210
