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Physics Today

Physics Today     16.08.2019

Experiments with $100,000+ Speakers

Now for some Friday afternoon fun. Have you ever wondered if you could use some powerful sound waves to damp out a fire? Dianna Cowern, host of "Physics Girl" has wondered about that, and as a true experimental...
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Physics Today     16.08.2019

Column: Rhyme, reason, and rhetoric

Johanna Miller, in her latest column, looks at little wordsmithing tricks first described by the ancient Greeks for creating powerful and memorable turns of phrase, and how she uses them in her job....
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Physics Today     15.08.2019

Louis de Broglie

Today is the birthday of Nobel laureate Louis de Broglie. Born in Dieppe, France, in 1892, de Broglie first studied history before turning to physics before WWI. During the war, he worked with the French army to...
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Physics Today     14.08.2019

The Trump administration is suppressing climate science

Jon Allsop of the Columbia Journalism Review, rounds up the latest stories on scientists being forced out of the administration, due to their work on climate change.
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Physics Today     14.08.2019

Press release: The unbearable lightness of helium… « European Association of Geochemistry

Helium is the second most abundant element in the Universe, but it's relatively rare on Earth, so much so that some vacuum equipment manufacturers will buy used equipment back at a high price simply to get at the...
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Physics Today     09.08.2019

Charm-quark decays violate charge–parity symmetry

For the first time, particle physicists have observed CP violation in particles containing charm quarks. Such observations are important because they yield clues toward answering a fundamental question: Why did matter...
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Physics Today     09.08.2019

Cosmologists Debate How Fast the Universe Is Expanding | Quanta Magazine

"On a Monday morning three weeks ago, many of the world’s leading cosmologists gathered in Santa Barbara, California, to discuss a major predicament. ... [Adam] Riess laid out the evidence, gathered by himself and...
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Physics Today     07.08.2019

The North American eclipse of 1869

One hundred fifty years ago today, a solar eclipse crossed North America, sweeping from Alaska to North Carolina. Thanks to new technology such as the telegraph, railroads, and photography, astronomers on the...
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Physics Today     02.08.2019

What should we do with radioactive nuclear waste?

What to do about nuclear waste? This article in the Guardian talks about a new experiment in using fracking techniques to bury waste deep in the ground. The tricky bit isn't putting the waste down there, it's being...
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Physics Today     01.08.2019

Fifth-generation broadband wireless threatens weather forecasting

The fight is on over 5G. Telecommunication companies and the US government promote the latest mobile broadband because it will provide faster data-transfer rates than the current broadband communication standard. But...
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