Tag Archives: Physics

The difference between past and future

Posted on October 14, 2012 by Michaela

From low entropy to chaos… Every difference between the past and the future can ultimately be traced to the fact that the entropy was lower in the past and is growing — that’s the second law of thermodynamics: the universe … Continue reading →

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Abandon realism

Posted on September 18, 2011 by Michaela

By David Deutsch It was recently discovered that the universe’s expansion is accelerating, not slowing, as was previously thought. Light from distant exploding stars revealed that an unknown force (dubbed “dark energy”) more than outweighs gravity on cosmological scales. Unexpected by … Continue reading →

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The limitation of science

Posted on August 6, 2011 by Michaela

By Tony Rothman Each February, I begin the introductory electricity and magnetism course at Princeton University by telling my students that the material we will cover during the semester provides the basis for modern civilisation. Who could quibble with such an … Continue reading →

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