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Predicting Eclipses: The Three Body Problem

Solar eclipse prediction has driven innovation across the history of science and mathematics, from the Saros cycle to Greek geometry to Newton’s calculus to the three-body problem.


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Gabriela González: Searching the Sky for the Wobbles of Gravity

October 22, 2015

Gabriela González explains how to measure black-hole collisions using gravitational waves.

What Is a Species?

September 24, 2015

David Kaplan explains why a simple definition of “species” is hard to come by.

Nima Arkani-Hamed’s Visions of Future Physics

September 22, 2015

Nima Arkani-Hamed makes his “big-picture” case for building a 100-TeV particle collider.

Nancy Moran: An Explorer of Life’s Deepest Partnerships

September 17, 2015

Nancy Moran explains how colony collapse disorder led her to study the bacteria that live in the guts of bees.

James Bullock: The Case for Complex Dark Matter

August 20, 2015

James Bullock explains why dark matter might be more complicated than astronomers have assumed.

How Does Symmetry Shape Nature’s Laws?

August 13, 2015

David Kaplan explains how the search for hidden symmetries leads to discoveries like the Higgs boson.

How Did Life Begin on Earth?

July 16, 2015

David Kaplan explores the leading theories for the origin of life on our planet.

Where Did the Universe Come From?

June 12, 2015

David Kaplan explores the leading cosmological explanation for the origin of the universe.

What Happens if You Fall Into a Black Hole?

May 8, 2015

David Kaplan explores one of the biggest mysteries in physics: the apparent contradiction between general relativity and quantum mechanics.