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Physics Today

Physics Today     18 часов назад

Tomorrow's Star Map Release Could Revolutionize Our Understanding of Astronomy

Tomorrow astronomers will receive a treasure trove of data from the European Space Agency's Gaia mission: position and brightness measurements for nearly 1.7 billion stars in and around the Milky Way, and motion...
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470
Physics Today     Только что

Newton didn’t frame hypotheses. Why should we?

Isaac Newton wrote in Principia that he didn't frame hypotheses. Charles Darwin wouldn't have made it to the Galápagos if he had been forced to justify his spot on the HMS Beagle with a hypothesis. Yet many of today's...
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457
Physics Today     23.04.2018

ITER disputes DOE’s cost estimate of fusion project

How much will ITER, a nuclear fusion test reactor being built in France, end up costing by the time experiments begin around 2025? The ITER Organization says $22 billion. But in recent congressional testimony, a US...
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149
Physics Today     23.04.2018

The statistical mechanics of currency exchange

It’s no secret that financial markets can be volatile. Stock prices change by the second. A currency can lose a third of its value in a matter of hours. To help make sense of those ups and downs, econophysicists take...
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289
Physics Today     21.04.2018

Imaging black holes

Want to snap a picture of a black hole? All you need is a series of radio telescopes that are networked so precisely that they attain the sensitivity of a telescope the size of Earth. Two members of the Event Horizon...
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587
Physics Today     21.04.2018

The Key to Everything

In the New York Review of Books, Freeman Dyson reviews physicist Geoffrey West's new book on an interdisciplinary research effort called complexity science. West studies how scaling laws, which are used in the...
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338
Physics Today     19.04.2018

How to revive stale bread

Bread goes stale because of a process called starch retrogradation, in which starches transition from elastic to powdery and water gets released and evaporates. In this helpful post, physicist David McCowan explains...
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578
Physics Today     19.04.2018

NASA nominee’s vision for the agency downplays science

By a vote of 50 to 49, the Senate today confirmed Jim Bridenstine as NASA administrator. Last year we explored how Bridenstine's past vision for the agency prioritized human space exploration over scientific research.
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173
Physics Today     19.04.2018

A new constraint on the rise of oxygen

The rise of atmospheric oxygen to its present concentration was neither a single sudden jump nor a smooth and steady climb. Rather, the concentration grew in fits and starts, stalling or even declining for hundreds of...
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174
Physics Today     19.04.2018

Glenn Seaborg

Born on this day in 1912 in Ishpeming, Michigan, Glenn Seaborg was a Nobel laureate, educator, and presidential science adviser who discovered 10 elements heavier than uranium, including one that is named after him....
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469

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