If you want to measure something very precisely, such as slight variations of a length, then you are very likely to use light waves. However, many effects, such as variations of gravity, or surface forces, can only be measured ...
Quantum Physics
Jun 27, 2013
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Physicists have successfully developed a new instrument that significantly reduces quantum-level noise that has thus far limited experiments' ability to spot gravitational waves. Collisions between massive black holes and ...
General Physics
Dec 12, 2019
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323
A long time ago, in two galaxies about 900 million light-years away, two black holes each gobbled up their neutron star companions, triggering gravitational waves that finally hit Earth in January 2020.
Astronomy
Jun 29, 2021
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640
(PhysOrg.com) -- How hard do you have to pull on a single atom of -- let's say -- gold to detach it from the end of a chain of like atoms?* It's a measure of the astonishing progress in nanotechnology that questions that ...
Nanophysics
Mar 31, 2010
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0
When two black holes collide, they merge into one bigger black hole and ring like a struck bell, sending out ripples in space and time called gravitational waves. Embedded in these gravitational waves are specific frequencies, ...
Astronomy
Sep 12, 2019
2
218
Treating Diabetes – a major scourge of humanity bothering millions of people – requires a constant monitoring of the human blood for glucose concentrations. While current schemes employ electrochemical methods, they require ...
Analytical Chemistry
Jun 16, 2014
0
0
Researchers at the National Institute of Standards and Technology (NIST) have upgraded their compact atomic gyroscope to enable multitasking measurement capabilities and measure its performance, important steps toward practical ...
Quantum Physics
Jul 11, 2019
0
131
The European Space Agency gave the green light to two missions on Thursday, one to detect ripples in spacetime called gravitational waves and another to probe the secrets of Earth's closest neighboring planet Venus.
Space Exploration
Jan 25, 2024
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2590
(Phys.org)—According to Einstein, whenever massive objects interact, they produce gravitational waves—distortions in the very fabric of space and time—that ripple outward across the universe at the speed of light. While ...
Astronomy
Sep 27, 2012
15
0
(PhysOrg.com) -- The atomic force microscope (AFM) is an important tool for nanoscale surface metrology. Typical AFMs map local tip-surface interactions by scanning a flexible cantilever probe over a surface. They rely on ...
Nanophysics
Jun 2, 2011
0
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