Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing a metal cap ...
Optics & Photonics
Nov 22, 2011
25
0
At first, the Norwegian man thought his metal detector reacted to chocolate money buried in the soil. It turned out to be nine pendants, three rings and 10 gold pearls someone might have worn as showy jewelry 1,500 years ...
Archaeology
Sep 7, 2023
1
1266
Detection of ultralow concentrations of substances requires devices that can provide ultrafast information processing and offer high detection limits. Plasmonic metal nanoparticles, especially those made of gold and silver, ...
Bio & Medicine
Sep 24, 2019
0
44
A method for locating seams of gold and other heavy metals is the unlikely spin-off of Swinburne's involvement in a huge experiment to detect dark matter down a mine in Stawell, Victoria.
General Physics
Aug 12, 2019
1
196
A twist on thin-film technology may provide a way to optically detect and analyze multiple substances simultaneously, leading to quicker diagnostics in such industries as health care and homeland security, according to Penn ...
Engineering
Mar 12, 2013
0
0
Cities count the number of cars on the road in order to plan everything from the timing of stoplights to road repairs. But the in-road metal detectors that do the counting can make errors – most often by registering ...
Engineering
Aug 7, 2012
0
0
Members of a USC-led research team say they've made a big improvement in a new breed of electronic detectors for viruses and other biological materials — one that may be a valuable addition to the battle against epidemics.
Nanophysics
May 29, 2009
1
0
Ultrafast laser research at Kansas State University has allowed physicists to build on Nobel Prize-winning work in photo-electronics by none other than Albert Einstein.
General Physics
May 21, 2009
0
0
Students at high schools with prominent security measures have lower math scores, are less likely to attend college and are suspended more compared to students in schools with less surveillance, finds a new Johns Hopkins ...
Social Sciences
Sep 20, 2022
0
285
An archaeological dig in Sicily has uncovered traces of a lost World War II American heavy bomber shot down in 1943, and possible human remains that could lead to identification of five airmen whose bodies were never recovered.
Archaeology
Dec 24, 2021
0
26
