It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

This collection of documents started off as a series of notes made from lectures delivered while teaching postgraduate and undergraduate classes in physics. Although the notes themselves have been ...

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network The Times photographer James Estrin joins us in ...

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