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Brian Greene's Fabric of the Cosmos is online in its entirety on NOVA's website, in four one-hour episodes. Time, Space, Quantum Mechanics, Multiverses.
posted by empath on Nov 26, 2011 - 32 comments

What happens when you drop a slinky?
posted by empath on Sep 26, 2011 - 83 comments

Ten Things Everyone Should Know About Time.
posted by empath on Sep 1, 2011 - 131 comments

Old Theories As Limits of New Ones -- Theoretical physicist, Lubos Motl, takes a brief tour through the history of physics, and explains the simple mathematical relationship of old theories to the theories that replace them.
posted by empath on Aug 5, 2011 - 16 comments

Horizon asks "What is reality?" -- youtube for links for those outside the UK: 1, 2, 3, 4. It's a hard question. To help you answer it, Stanford has a set of free courses available on line by Leonard Susskind: General Relativity, Cosmology, New Revolutions in Particle Physics, Quantum Entanglement, Special Relativity, Classical Mechanics, Statistical Mechanics, The Standard Model. (Each link is to lecture 1 of a full college course of a dozen or so lectures.) If you need help with the math, the Khan Academy should help get you up to speed.
posted by empath on Jan 23, 2011 - 67 comments

The Perimeter Institute is a center for theoretical physics in Waterloo, Canada. Among other outreach activities, they host a series of public lectures on a variety of physics related topics. [more inside]
posted by empath on Feb 26, 2010 - 11 comments

Teleportation Breakthrough. Until now scientists have teleported similar objects such as light or single atoms over short distances from one spot to another in a split second. But Professor Eugene Polzik and his team at the Niels Bohr Institute at Copenhagen University in Denmark have made a breakthrough by using both light and matter. A more technical explanation.
posted by empath on Oct 5, 2006 - 67 comments