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Physics Today, the flagship publication of The American Institute of Physics, is the most influential and closely followed physics magazine in the world, informing readers about science and its place in the world with authoritative features, full news coverage and analysis, and fresh perspectives on technological advances and ground-breaking research.
Updated: 12 min 18 sec ago

How to deal with climate change

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Climate change is a complex and contentious public issue, but the risk-management options available to us are straightforward and have well-characterized strengths and weaknesses.

Atom-like crystal defects: From quantum computers to biological sensors

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Impurities in a crystal lattice are the key ingredient in recent efforts to control and apply the coherence and entanglement of spins in condensed-matter systems.

Quantum Darwinism, classical reality, and the randomness of quantum jumps

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The core principles that underlie quantum weirdness also explain why only selected quantum states survive monitoring by the environment and, as a result, why we experience our world as classical.

Captured cosmic dust may have interstellar origins

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The multiyear effort that identified the candidate interstellar grains was, in part, a triumph of citizen science.

Tailor-made molecules grow into identical carbon nanotubes

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Organic chemistry and surface science combine to overcome a long-standing materials challenge.

Musical pitch perception starts early

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Tasked with extracting the fundamental frequency from a complex of high harmonics, three-month-old infants outperformed many adults.

From Beijing to Kigali, ICTP makes itself at home in the developing world

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For 50 years the International Centre for Theoretical Physics has hosted scores of scientists and students at its campus in Trieste, Italy. It now hopes to replicate that model at regional partner institutions.

DARPA looks beyond GPS for positioning, navigating, and timing

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Cold-atom interferometry, microelectromechanical systems, signals of opportunity, and atomic clocks are some of the technologies the defense agency is pursuing to provide precise navigation when GPS is unavailable.

New telescope in Turkey

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The realization of a homegrown, bottom-up telescope is a source of national pride. The next challenge will be to grow a community to exploit it.

DOE acquiring new supercomputers and climate models

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Researchers say they are preparing the way for scientific exascale computing.

Public access

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