Solar cells convert the sun's energy into electricity by converting photons into electrons. A new solar cell design could raise the energy conversion efficiency to over 50% by absorbing the spectral components of longer wavelengths ...
Energy & Green Tech
Apr 24, 2017
0
115
Black holes are at the center of almost all galaxies that have been studied so far. They have an unimaginably large mass and therefore attract matter, gas and even light. But they can also emit matter in the form of plasma ...
Astronomy
Aug 21, 2020
42
5134
Using nanometer-scale components, researchers have demonstrated the first optical rectenna, a device that combines the functions of an antenna and a rectifier diode to convert light directly into DC current.
Nanophysics
Sep 28, 2015
10
11274
(Phys.org)—By using solar energy to reversibly attach and detach hydrogen atoms on a 6-carbon ring called benzene, scientists have developed a simple and efficient method to store, transport, and release hydrogen potentially ...
Scientists have long suspected that a quantum phenomenon might play a role in photosynthesis and other chemical reactions of nature, but don't know for sure because such a phenomenon is so difficult to identify.
Quantum Physics
Aug 2, 2019
4
1799
Photosynthesis provides energy for the vast majority of life on Earth. But chlorophyll, the green pigment that plants use to harvest sunlight, is relatively inefficient. To enable humans to capture more of the sun's energy ...
Materials Science
Aug 22, 2017
2
689
A boat that fuels itself is setting off around the world from Paris on a six-year journey that its designers hope will serves as a model for emissions-free energy networks of the future.
Energy & Green Tech
Jul 15, 2017
49
2087
A new material has been shown to have the capability to double the efficiency of solar cells by researchers at Purdue University and the National Renewable Energy Laboratory.
Condensed Matter
Apr 6, 2017
9
1443
University of Wisconsin-Madison engineers have created a nanoscale device that can emit light as powerfully as an object 10,000 times its size. It's an advance that could have huge implications for a variety of imaging and ...
Optics & Photonics
Jul 13, 2015
6
4707
Missions to the moon, missions to Mars, robotic explorers to the outer solar system, a mission to the nearest star, and maybe even a spacecraft to catch up to interstellar objects passing through our system. If you think ...
Space Exploration
Oct 6, 2023
4
190
