In 1665, Lord Christiaan Huygens found that two pendulum clocks, hung in the same wooden structure, oscillated spontaneously and perfectly in line but in opposite directions: the clocks oscillated in anti-phase. Since then, ...
Nanophysics
Jul 2, 2019
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In 1665, the inventor of the pendulum clock, Christiaan Huygens, noticed that two of his clocks hung on the same wall would eventually sync up, so that their pendulums swung in opposite directions in perfect time. This "insensible ...
Cell & Microbiology
May 23, 2017
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It has been one hundred years since the publication of Einstein's general theory of relativity in May 1916. In a paper recently published in EPJ Plus, Norwegian physicist Øyvind Grøn from the Oslo and Akershus University ...
General Physics
May 12, 2016
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The El Nino and La Nina climate patterns are unlikely to make an appearance during the first half of this year, the UN's weather agency said Monday.
Earth Sciences
Mar 11, 2013
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(Phys.org)—An optical clock with neutral strontium atoms is considered one of the top candidates for the definition of a "new" second. The probabilities have increased considerably, since its frequency will now be determined ...
General Physics
Jan 9, 2013
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The Super-TIGER cosmic-ray experiment had a perfect launch Sunday at 9:45 a.m. New Zealand Daylight Time. The enormous balloon that will carry it to the limits of Earth's atmosphere was stretched out on the ice and then partially ...
Space Exploration
Dec 11, 2012
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The El Nino weather phenomenon could return within days but will be relatively weak compared with past episodes, the UN's weather agency said Tuesday.
Earth Sciences
Sep 25, 2012
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Military missions of all types need extremely accurate navigation techniques to keep people and equipment on target. That is why the Military relies on GPS or, when GPS is unavailable, precise sensors for navigation. These ...
Engineering
Sep 21, 2012
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Walk into nearly any science museum worth its salt and you're likely to see a Foucault pendulum, a simple but impressive device for observing the Earth's rotation. Such pendulums have been around for more than 150 years, ...
General Physics
Nov 9, 2010
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Physicists at the Ural Federal University (UrFU) have created a theory for the solidification of iron-nickel (Fe-Ni) alloy (invar). They determined that an important role in the technology of creating invar products, namely ...
Analytical Chemistry
Nov 1, 2022
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