The Bessel beam, with a significant depth of field and self-healing characteristics, has been applied in widespread applications, including quantum entanglement, underwater 3D imaging, optical micro-manipulation, microscope, ...
Optics & Photonics
Aug 17, 2023
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7
Liquid metals (LM) such as pure gallium (Ga) and Ga-based alloys are a new class of materials with unique physicochemical properties. One of the most prominent applications of LMs is photothermal therapy against cancer, in ...
Bio & Medicine
Aug 4, 2023
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3
In California, thousands of miles of fiber optic cables crisscross the state, providing people with internet. But these underground cables can also have a surprising secondary function: they can sense and measure earthquakes. ...
Earth Sciences
Aug 2, 2023
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25
In a compost heap, the nematode Caenorhabditis elegans finds a richly laid table: at a length of just one millimeter, the worm feeds on bacteria that decompose organic material. It is essential that the animal avoids sunlight—and ...
Biotechnology
Aug 2, 2023
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4
Microplastics are tiny, barely visible plastic particles that can harm the environment, for example, if they are eaten by animals. However, it has been difficult to assess the effect of even smaller particles, which can hardly ...
Nanophysics
Jul 18, 2023
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1
Since the scientists at Bell Labs invented the world's first transistor in December 1947, a revolution in microelectronics technology has profoundly affected lifestyles worldwide. As electronics get smaller and smaller, it ...
Nanophysics
Jul 5, 2023
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10
When you turn on a lamp to brighten a room, you are experiencing light energy transmitted as photons, which are small, discrete quantum packets of energy. These photons must obey the sometimes strange laws of quantum mechanics, ...
General Physics
Jul 5, 2023
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33
The fast switching and modulation of light is at the heart, among other things, of modern data transfer, in which information is sent through fiber optic cables in the shape of modulated light beams. It has been possible ...
Nanophysics
Jul 3, 2023
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366
An optical isolator developed at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) could drastically improve optical systems for many practical applications.
Optics & Photonics
Jun 29, 2023
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166
Last year, scientists drove up Mauna Loa volcano on Hawai'i, aimed a laser at a reflector positioned on Haleakala peak on Maui, and beamed rapid pulses of laser light through 150 kilometers of turbulent air. While the pulses ...
General Physics
Jun 21, 2023
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