Michael Turner

Aug. 10, 2012

Amidst Rocky Peaks, Physicists Ponder the Universe

The Aspen Center for Physics, a mountain retreat for theoretical physicists, turns 50 this year.

physics, cosmology, astrophysics, higgs boson, extra dimensions, string theory

Jun. 22, 2012

More to the Universe Than Meets the Eye

The universe is full of invisible stuff. Take dark matter--you can't spot it with your eyes, but it outnumbers visible matter five to one!

dark matter, dimensions, universe, cosmology, dark matter

Jul. 15, 2011

Funding For James Webb Space Telescope In Jeopardy

Will Congress cut funding for Hubble’s successor?

space telescope astronomy funding congress nasa

Sep. 17, 2010

Strange Physics: Dark Flow, Fine Structure Constant

We'll talk about the mind-boggling idea that stuff we can't see within our visible universe could be causing gravitational effects on visible matter.

astronomy, cosmology, dark flow, physics

Apr. 03, 2009

Big Questions in Cosmology

In this hour, we'll get an update on the very small--particle physics--and the very large--cosmology--and find out how these two fields of study fit together.

cosmology, physics, origins, arizona

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Michael Pollan Talks Plants and Food

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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