A novel optical physics method to measure the expansion of the universe
Quasars are extraordinarily distant celestial objects that throw off a massive amount of light, and astrophysicists use them to probe cosmological theories.
Quasars are extraordinarily distant celestial objects that throw off a massive amount of light, and astrophysicists use them to probe cosmological theories.
General Physics
Apr 22, 2021
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A team of researchers from the Faculty of Pure and Applied Sciences at the University of Tsukuba filmed the ultrafast motion of electrons with sub-nanoscale spatial resolution. This work provides a powerful tool for studying ...
Optics & Photonics
Jan 21, 2021
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7
Let's say you want to purchase a camera, and you're comparing two different advertisements. In one, the font, colors, and layout make the information easy to read. The other has an obscure style that takes more time for you ...
Economics & Business
Sep 17, 2020
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6
Whether to hold a child back from starting school when they are first eligible is a question faced by many parents in Australia each year.
Education
Aug 13, 2020
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4
A team of researchers from the Johns Hopkins University Applied Physics Laboratory, North Carolina State University and NASA, has proposed, via whitepaper, that NASA should direct its Mars-bound spacecraft to fly by Venus ...
Instead of responding to each flight delay as if it were an isolated event, airlines should consider the likelihood of potential disruptions ahead, researchers report in the journal Transportation Science. They developed ...
Economics & Business
Jun 22, 2020
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3
The invention of the chirped pulse amplification technique by Strickland and Mourou in 1985 has boosted the peak power of ultrashort laser pulses to an unprecedented level, which have found broad applications in fundamental ...
Optics & Photonics
May 26, 2020
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4
Light detection and ranging (LiDAR) comprises an array of techniques using laser light to measure distances by multiplying the time delay between transmitted and received optical signals with the speed of light. Modern 3-D ...
Optics & Photonics
May 13, 2020
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141
Researchers at the Universities Vienna and Stuttgart have investigated a version of Maxwell's demon embodied by a delayed feedback force acting on a levitated microparticle. They confirmed new fundamental limits that time ...
Quantum Physics
Apr 7, 2020
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71
The identification of an insect-specific metal-sensing receptor in the gut lining highlights a possible new way to curb populations of disease-transmitting insects such as mosquitoes.
Cell & Microbiology
Mar 18, 2020
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33