Roger Penrose

Jan. 23, 2015

Remembering the Moment Black Holes Went Mainstream

Forty-five years ago, a collaboration between Roger Penrose and Stephen Hawking transformed perceptions about black holes and the beginning of the universe.

roger penrose, stephen hawking, black holes, physics, mathematicians

Apr. 04, 2014

Sir Roger Penrose: Cosmic Inflation Is ‘Fantasy’

What's wrong with modern physics—and could alternative theories explain our observations of the universe?

roger penrose, physics, cosmic inflation, inflation, universe, big bang theory,

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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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