California Institute of Technology

Seeing quantum motion

Consider the pendulum of a grandfather clock. If you forget to wind it, you will eventually find the pendulum at rest, unmoving. However, this simple observation is only valid at the level of classical physics—the laws ...

dateAug 28, 2015 in Quantum Physics
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Evidence for a Martian Ocean

( —Researchers at the California Institute of Technology (Caltech) have discovered evidence for an ancient delta on Mars where a river might once have emptied into a vast ocean.

dateJul 17, 2013 in Space Exploration
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How iron feels the heat

As you heat up a piece of iron, the arrangement of the iron atoms changes several times before melting. This unusual behavior is one reason why steel, in which iron plays a starring role, is so sturdy and ubiquitous in everything ...

dateFeb 13, 2015 in Condensed Matter
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