At this stage in the evolution of the universe (about 14 billion years after the big bang) there are four fundamental forces in action that cause interactions among the constituents of matter.
Quantum Physics
Dec 23, 2022
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103
Nuclear fusion holds huge promise as a source of clean, abundant energy that could power the world.
Plasma Physics
Dec 16, 2022
3
67
How does your phone know it's you when you use facial recognition to unlock it? An array of tiny lasers light up your face, and your phone uses the reflection to construct a 3D model—not unlike a topographical map of your ...
Optics & Photonics
Dec 12, 2022
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9
Metalenses, compact lenses made with metasurfaces, have the potential to enable thinner, lighter, cheaper, and better imaging systems for a wide range of applications where miniaturization is critical (e.g., for mobile devices, ...
Optics & Photonics
Dec 2, 2022
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7
The interaction of light with matter lies at the heart of processes in nature and in society. For example, in a solar cell, light is converted to an electrical current, but the efficiency of this conversion process can be ...
Optics & Photonics
Oct 7, 2022
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16
Researchers have shown that 3D laser printing can be used to fabricate a high-quality, complex polymer optical device directly on the end of an optical fiber. This type of micro-optical device—which has details smaller ...
Optics & Photonics
Oct 3, 2022
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387
Imagine walking into an airport or grocery store and your smartphone automatically starts charging. This could be a reality one day, thanks to a new wireless laser charging system that overcomes some of the challenges that ...
Optics & Photonics
Aug 30, 2022
10
335
A Florida State University research team has developed a new way to create blue light from a class of materials that shows enormous potential for optoelectronic devices, including solar cells, light-emitting diodes (LEDs) ...
Materials Science
Aug 26, 2022
1
244
Researchers have developed a transparent protective coating material that can self-heal in 30 minutes when exposed to sunlight.
Polymers
Aug 8, 2022
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204
As demand for solar energy rises around the world, scientists are working to improve the performance of solar devices—important if the technology is to compete with traditional fuels. But researchers face theoretical limits ...
Nanomaterials
Aug 3, 2022
0
88
