It's as easy as riding a bike … or so the saying goes. But how do we manage to stay upright on a bicycle? If anyone ventures an answer they most often say that it's because of the "gyroscopic effect" – but this can't ...
Other
May 25, 2016
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(Phys.org)—The National Institute of Standards and Technology has released a "History Minute" video called "Thrown for a Curve," offering a recap of work done by Lyman Briggs and colleagues back in 1959, when he was head ...
Waves do not spread in a disordered medium if there is less than one wavelength between two defects. Physicists from the universities of Zurich and Constance have now proved Nobel Prize winner Philip W. Anderson's theory ...
Optics & Photonics
Dec 20, 2012
2
1
Early risers are in for a celestial treat this weekend when four planets in our solar system align in the sky, culminating in a "romantic" display between Venus and Jupiter.
Astronomy
Apr 29, 2022
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242
Sometimes the fastest pathway from point A to point B is not a straight line: for example, if you’re underwater and contending with strong and shifting currents. But figuring out the best route in such settings is a ...
Computer Sciences
Mar 8, 2012
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0
Cold spells often bring climate change deniers out in force on social media, with hashtags like #ClimateHoax and #ClimateScam. Former President Donald Trump often chimes in, repeatedly claiming that each cold snap disproves ...
Environment
May 2, 2023
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43
Carbon dioxide emissions from fossil fuels, the main driver of climate change, are on track to rise one percent in 2022 to reach an all-time high, scientists said Friday at the COP27 climate summit in Egypt.
Environment
Nov 11, 2022
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31
The two spacecraft forming ESA's Proba-3 mission for precise formation flying in orbit are now complete. All the instruments and sensors allowing them to maneuver to millimeter scale precision relative to one another have ...
Space Exploration
Mar 28, 2023
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14
Taking images through opaque, light-scattering layers is a vital capability and essential diagnostic tool in many disciplines, including nanotechnology and the biosciences. Current techniques are unable to image through opaque ...
General Physics
Dec 7, 2012
2
0
It is a familiar phenomenon: if a spinning top is bumped or is set in rotation on an inclined surface, it usually does not move in a straight line, but instead scribes a series of small arches. Researchers at Technische Universität ...
Nanophysics
Feb 2, 2015
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