Dark Energy is causing the expansion of the universe to speed up – and not to slow down as everyone expected. This discovery overturns astronomers’ ideas about the history and the fate of the universe. Professor Brian Schmidt describes the discovery that won him the Nobel Prize in Physics last year.
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Tagged with “matter”
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Allison-Levick Memorial Lecture: The accelerating universe
Tagged with science dark energy dark matter universe cosmology supernova physics astronomy
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Marcus Chown on 10 Bonkers Things About the Universe
Marcus Chown of New Scientist Magazine on his Top 10 Bonkers Things About the Universe
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Richard Panek: ‘Let There Be Dark’
Everything that we know and can sense may only account for a measly 4 percent of the universe. Everything else? It’s dark. Either dark matter or dark energy. It can’t be seen or even sensed by any instrument that we’ve been able to design. So how do we know it’s there?
Richard Panek answers that question in his book "The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality." Panek’s not a scientist, he’s a creative writer, meaning he focuses on the human narrative behind the discovery of the other 96 percent of the universe.
Richard Panek teaches creative writing at Goddard College in Vermont. He’s also a New York Foundation for the Arts Nonfiction Literature fellow and has received an Antarctic Artists and Writers Program grant from the National Science Foundation. He came to Town Hall on January 25, 2011. His talk focused on the story of who discovered the hidden universe, as well as the science itself.
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Science Friday Archives: Listening To Wild Soundscapes
Science, technology, environment and health news and discussion from the makers of the NPR public radio program Science Friday with host Ira Flatow.
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Science Friday Archives: Digital Sampling and Remix Culture: Creativity or Criminality?
Science, technology, environment and health news and discussion from the makers of the NPR public radio program Science Friday with host Ira Flatow.
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Please Explain: Matter, Anti-Matter, and Dark Matter
Please Explain is all about matter, anti-matter, and dark matter. Lisa Randall, Professor of Theoretical Physics at Harvard University; Michael Tuts, Professor of Physics at Columbia University and Mordecai Mark Mac-Low, Chair of the Department of Physics at the American Museum of Natural History tell us all about what it is and what it means.
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The Dark Matter Rap by David Weinberg
Cosmological History for the MTV Generation.
Lyrics here: http://www.astronomy.ohio-state.edu/~dhw/Silliness/rap.lyrics
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Dark Secrets: What Science Tells Us About the Hidden Universe
No mystery is bigger than dark energy - the elusive force that makes up three-quarters of the Universe and is causing it to expand at an accelerating rate. Join a panel of Lawrence Berkeley National Laboratory scientists who use phenomena such as exploding stars and gravitational lenses to explore the dark cosmos.
http://www.uctv.tv/search-details.aspx?showID=17426&subject=pet
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Lawrence Krauss: Life, The Universe, and Nothing
Lawrence Krauss is a professor in the Department of Physics at Arizona State University. His lecture entitled Life, the Universe and Nothing was recorded at the Isabel Bader Theatre in Toronto on March 27th, 2009.
http://www.tvo.org/TVOsites/WebObjects/TvoMicrosite.woa?bi?1255208400000
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Astronomycast 145: Interstellar Travel
In science fiction it’s easy to hop into your spaceship and blast off for other stars. But the true distances between stars, and the limits of relativity make interstellar travel almost impossible with our current technology. What would it really take to travel from star to star, exploring the galaxy?
http://www.astronomycast.com/space-flight/ep-145-interstellar-travel/
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