Physics

Astronautics

The private conquest of the Cosmos

A capsule of the company SpaceX flies to the International Space Station and may give the United States the capacity to put humans in orbit

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INTERVIEW

Daniel Kennefick: The importance of Sobral

An astrophysicist and science historian reports that without the observation of the eclipse in the city of Ceará, the experimental results of 1919 would probably have been inconclusive

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Cover

In the British expedition’s shadow

The Sobral eclipse was also observed by scientific expeditions from Brazil and the US

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COVER

When light bent

Observation of the 1919 solar eclipse from Brazil and Africa provided the first experimental proof of Albert Einstein’s theory of relativity

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physics

A picture of sound

Image shows the interaction between shock waves generated by two fighter jets as they pass the speed of sound at about 1,230 kilometers per hour

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Physics

Physicist receives Brazil’s highest science and technology award

Vanderlei Bagnato, from the São Carlos Physics Institute (IFSC) at the University of São Paulo, is the 2019 winner of the Almirante Álvaro Alberto Award

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Astronomy

Organization established to build the world’s largest radio telescope

After three and a half years of negotiation, representatives from seven countries came together to sign a treaty establishing the intergovernmental organization that will oversee construction of the world's largest radio telescope, the Square Kilometer Array

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Retrospect

Reasoned dialog

Seventy years ago, a movement led by a group of scientists catalyzed the creation of the Brazilian Center for Physics Research

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INTERVIEW

Peter Goddard: The risks of knowledge

British physicist Peter Goddard, former director of the Institute for Advanced Study at Princeton, says innovative research must be unpredictable

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Physico-chemistry

Hidden strokes of Portinari

Tests show how the artist produced his artwork and may be useful in confirming the painter of a piece found in his former home

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INTERVIEW

Glaucius Oliva: Complex structures

Self-declared molecule tamer, physicist marries scientific research with administrative management

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Nanotechnology

Sensor detects bacteria in food

Brazilian researchers have developed a biosensor capable of quickly identifying bacteria in food and drink

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Chang'e 4

China lands probe on dark side of the Moon

China has become the first country to land a probe on the far side of the Moon

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Astronomy

Telescope measures almost all the starlight ever produced in the universe

Based on data collected by the Fermi Gamma-ray Space Telescope, an international group of astrophysicists has been able to measure almost all of the starlight produced since the universe was formed about 13.7 billion years ago

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Nobel Prize in Physics

Richard Feynman’s medal sold at auction

The medal was just one of the items up for sale in Sotheby's History of Science and Technology auction

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Physics

First Sirius beamlines expected to begin operating by the end of 2019

The electron beam is expected to start circulating in the second half of 2019 and the six initial experimental stations, called beamlines

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Physics

New standard approved for measuring a kilogram

The kilogram will now be measured using the Planck constant

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Interview

Francis Halzen: In pursuit of neutrinos and cosmic rays

Lead scientist at IceCube observatory comments on the recent discovery of high-energy particles

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Physics

International meeting point

Instituto Principia will bring together researchers from across Brazil and abroad through projects with a maximum duration of six months

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Photolab

Magnetic circles

LED light strips, a cylindrical magnet, and a thin film of ferrofluid is the recipe for the diffraction effect in which the colored lights form circles

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Nobel Prize 2018 | Physics

More powerful lasers and optical tweezers

In physics, Nobel acknowledged the work of two researchers who created a way of producing more powerful laser sources, and a third scientist who expanded their use to investigate phenomena on the scale of cells and atomic particles

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Physics

Higgs, a well-behaved boson

Physicists have been investigating how the Higgs boson particle interacts with others

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Physics

Vibrations created by light in mirrors

An international group of researchers accurately isolated and measured the vibrations generated when a beam of light touches the surface of a mirror and is reflected back

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Video

The eclipse which revolutionized physics

This Wednesday, May 29th, celebrates 100 years of the eclipse which was the first experimental proof of the Theory of General Relativity | 2'36"

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Physics

Frozen light

Theoretical study proposes a new way of stopping light

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Physics

Creative turbulence

Stimulating random fluctuations may increase energy production in nuclear fusion reactors

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INTERVIEW

Robert Shelton: Partnership between giants

President of the GMT telescope explains why he joined with competitor TMT to secure funding from the National Science Foundation

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INTERVIEW

Edgar Dutra Zanotto: One eye on science, the other on industry

An engineer provides insight into how artificial intelligence will help develop novel types of glass and explains his new definition of the material

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Cover

The race for the best light

Sirius will compete with a fourth-generation facility inaugurated in 2016 in Sweden and another planned to begin operating in 2020 in France

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Cover

Leaping towards brilliance

In its final stage of construction, the latest-generation synchrotron light source could elevate the quality of Brazilian research

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