Since the earliest demonstration of chirped-pulse amplification (CPA) and optical parametric chirped-pulse amplification (OPCPA), femtosecond lasers have been able to deliver ultrahigh peak powers up to ten-petawatt (PW), ...
Optics & Photonics
Sep 15, 2022
0
17
With U.K. households facing a dire energy crisis, there has been no shortage of advice from politicians, experts and journalists about how to save energy. Not all of this advice has been good.
Economics & Business
Sep 9, 2022
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9
Oak Ridge National Laboratory researchers demonstrated a process for producing a moisture-stable, lightweight thermal insulation material using hollow silica particles, or HSPs. Their study was published inRSC Advances.
Materials Science
Sep 8, 2022
1
13
Tiny crystals, known as quantum dots, have enabled an international team to achieve a quantum efficiency exceeding 100 percent in the photocurrent generated in a hybrid inorganic-organic semiconductor.
Optics & Photonics
Aug 4, 2022
0
2140
In 1998, as nations around the world agreed to cut carbon emissions through the Kyoto Protocol, America's fossil fuel companies plotted their response, including an aggressive strategy to inject doubt into the public debate.
Environment
Jul 26, 2022
1
44
Some of the economic sectors that are the hardest to decarbonize would benefit from the emergence of substantially more efficient catalysts involved in energy conversion chemical reactions. A breakthrough here might depend ...
Biochemistry
Jul 21, 2022
0
62
A film just 250 nanometers or 0.00025 mm thick has given scientists a sneak peek into the ultrafast world.
Nanophysics
Jun 28, 2022
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338
Electronic visual displays have come a long way since the early days of cathode-ray tubes. Modern display devices, based on organic light-emitting diodes (OLEDs), are compact enough to accompany us wherever we go, in portable ...
Analytical Chemistry
Jun 21, 2022
0
17
One day soon, buildings could become more energy-efficient—and environmentally sustainable—with insulating material developed from wood by researchers in Sweden. The newly-developed material offers as good or even better ...
Biochemistry
Jun 7, 2022
2
1074
Solar energy is a popular candidate for a sustainable alternative to fossil fuels. A solar cell, or photovoltaic (PV) cell, converts sunlight directly into electricity. However, the conversion efficiency has not been enough ...
Optics & Photonics
Jun 1, 2022
0
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