Physics

Physics

Twisted graphene

Brazilian device records surprising effect of misaligned graphene sheets

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Astrophysics

A planet with a renewed atmosphere

Data obtained by the Hubble Space Telescope suggest that an exoplanet (GJ 1132 b) was able to develop a new atmosphere after its original was lost

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Photolab

Bottled color

Under a blacklight, the lab-made solution shines

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PROFILE

Cosmic dance

Brazilian astronomer has been collaborating with NASA for more than two decades and discovered a supernova

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Physics

Nuclear fusion prefers a 2D world

The chance of hydrogen atoms fusing and generating energy is one billion times greater in two-dimensional systems

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Award

Responsibility and diplomacy in science

Two Brazilians—physicist Ricardo Galvão and climatologist Carlos Nobre—were honored on February 10 at the annual meeting of the AAAS

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Video

A tool which can reveal graphene’s mysterious properties

Superimposing sheets of the material – composed of a single layer of carbon atoms in a beehive-like pattern – reveals new properties and gives rise to a new field of research: twistronics | 3'20

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Astronomy

A galaxy destined to fade

Astronomers observed a galaxy ejecting immense quantities of cold gas, enough to form 10,000 new stars the size of the Sun every year

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Physics

Plasma can desalinate seawater

Experiments demonstrated for the first time the possibility of using plasma to accelerate the formation and precipitation of salt crystals from seawater

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Zoology

Sound absorbing wings

Microscopic structures on the scaled wings of two moth species are able to absorb many of the ultrasound waves emitted by bats

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Careers

The many perspectives of physics

Brazilian scientist from São Paulo, head of a research group at Utrecht University, recognized by the European Physical Society

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Interview

Recognized effort

The director of the International Center for Theoretical Physics at UNESP receives award for his leadership role in Latin American physics research

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Geophysics

Hidden light

Brazilian group identifies rare light in the upper atmosphere over northeastern Brazil, created by the Moon passing in front of the Sun

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Photolab

In the eye of a giant

Upon entry into operation, the Manacá beamline at the Sirius laboratory was directed at crystals of the 3CL protein, part of the mechanism by which the SARS-CoV-2 virus multiplies

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Careers

Quantum biology

Emerging field demands interdisciplinary collaboration and knowledge of both chemistry and physics

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Astrophysics

Holes of every size

Gravitational waves reveal black holes of new sizes

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Physics

Light-based circuits

New material made of gold nanoparticles can modify the properties of laser light and be used to make photon transistors

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Astrophysics

Where the “day” lasts half a minute

Brazilians discover the fastest white dwarf star, which completes one rotation on its axis in less than 30 seconds

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Interview

Luiz Davidovich: Towards a more interactive education

President of the Brazilian Academy of Sciences and professor at the UFRJ Physics Institute questions compartmentalization at universities

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Astronomy

Heading for Mars

The United Arab Emirates launched its first interplanetary space probe from a space center in Japan

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Obituary

The aggregator of knowledge and people

Physicist Roberto Salmeron was a professor at École Polytechnique and one of the founders of UnB

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Physics

How to create a skyrmion

Microscopic metal structures produced and controlled by short-lived magnetic pulses could be used to store data

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INTERVIEW

Ricardo Magnus Osório Galvão: The physicist who would not bend

Almost a year after being dismissed, the former director of INPE continues to warn that deforestation is out of control in the Amazon

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SpaceX

A historic flight

On May 31, American astronauts arrived at the International Space Station for a three-month mission

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Astronomy

A moon on the move

Titan, the largest of Saturn's 82 moons, is moving away from the planet almost 100 times faster than previously estimated

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Interview

Sergio Machado Rezende: Together against COVID-19

The physicist is one of the coordinators of the Scientific Committee for the Fight against Coronavirus in the Northeast, which advises the region's governors

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Retrospect

At the atom’s core

Born 100 years ago this year, theoretical physicist Jayme Tiomno studied particle interactions in the atom’s nucleus

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Interview

Michael Boris Green: The tuner of strings

British physicist shares his role in the 1980s reformulation of a theory that aims to describe all that exists in the universe

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Microbiology

Fighting infections with graphene

Nanomaterial enables low doses of light to eliminate bacteria

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physics

Big data and new materials

Scientists turn to digital mining techniques and huge databases of compounds in efforts to accelerate the discovery of new structures

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