Physics

INTERVIEW

William Bialek: Between the living and the inanimate

Princeton researcher discusses the challenges of applying a quantitative approach to biological systems

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Electronics Engineering 

Chip for particle collisions

Brazilian researchers develop and test a device to be installed in the Large Hadron Collider at Cern

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physics

Devouring stars

Survey shows that Milky Way cannibalized eleven neighboring galaxies

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ASTROPHYSICS

Fireflies around Saturn

A Brazilian research team proposes a model to explain the origin of a tenuous ring around the second largest planet in the Solar System

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physics

Heated up by the cold

Cold particles transfer heat to hotter ones in quantum experiment, reversing the thermodynamic arrow of time

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physics

When light attracts light

Brazilian researchers show that two photons can couple, exhibiting similar behavior to electron pairs in superconductors

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PHYSICS

The effects of quantum turbulence

Disturbing a cloud of cold rubidium atoms produces a wave phenomenon similar to light

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Physics

Reversing the arrow of time

A cold particle can transfer heat to a hotter one, reversing the arrow of time

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CHRONOBIOLOGY

A clock that works in the dark

Researchers come together to reveal the circadian rhythms of tuco-tucos

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ADAM BROWN

Adam Brown: A roadmap to navigate technology hurdles

British bioenergy expert says the sector needs greater public policy support

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Cover

Marcelle Soares-Santos: Collision hunter

Brazilian physicist searches for emissions of light of gravitational waves

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COVER

Searching for light from the neutron stars

The race to discover the origin of the phenomenon was won by an old telescope

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Cover

Source of gold and a way to measure the expansion of the universe

Colliding stars produce heavy chemical elements

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COVER

Cosmic cataclysm

Colliding neutron stars emit gravitational waves and light

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Engineering

Another mirror for the Giant Magellan Telescope

Another mirror for the Giant Magellan Telescope

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new materials

Reconstituted silk is stronger than the natural fiber

Reconstituted silk is stronger than the natural fiber

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astrophysics

The rocks that remained

An alternative model suggests the asteroid belt originated in leftovers

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Astrophysics

Worlds like ours

New spectrographs should permit the discovery of planets that are Earth twins

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PHYSICS

The origin of cosmic rays

Ultra-high-energy particles come from outside the Milky Way

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CHEMISTRY

Biological molecules in 3D

Biological molecules in 3D

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PHYSICS

Prize-winning gravitational waves

Prize-winning gravitational waves

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Robert Myers

Robert Myers: A cataloger of the Cosmos

Physicist explains why it is so difficult to describe the Universe

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radio telescope

A telescope in the scrublands

Difficulties are preventing the possibility of building Bingo in Uruguay

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E-XFEL

The largest source of X-ray lasers is now operational

The largest source of X-ray lasers is now operational

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ASTROPHYSICS

The difference that equalizes the Sun and its sister stars

Chaotic plasma behavior helps explain the magnetic cycle of solar analog stars

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Nicholas Suntzeff

Nicholas Suntzeff: Observer of the distant universe

Researcher measures the distance of galaxies at the edge of the universe

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Yvonne Primerano Mascarenhas

Yvonne Primerano Mascarenhas: The master of crystals

Physicist studied molecular structures using X-ray diffraction in the 1960s

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physics

Protons and antihydrogen

Physicists reported the observation of the lines of an antimatter atom

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Good practices

Complaint delays award in Germany

Complaint delays award in Germany

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PHYSICS

Astrophysics in the bathtub

Water tank experiment reproduces phenomena that could occur near black holes

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