Computation

Computing

Carbonized ancient philosophy

Brazilian team is among the winners of the international Vesuvius Challenge to identify writing on carbonized scrolls

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Computing

AI systems could monitor animals crossing highways

Study tested the performance of computer vision models

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Cover

The exaflop era

With the power to perform 1 quintillion mathematical operations per second, Frontier has set a new standard in data processing

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computer Science

More powerful supercomputers

Through modernization and new machines, Brazil is increasing its processing power for scientific research, weather forecasting, and energy generation

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Interview

Siang Wun Song: Fast and powerful

The Chinese-Brazilian scientist is a pioneer in a field of research that aims to increase the processing capacity of computers and make them faster

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Data

Admissions to engineering and computing courses

Survey shows changes in number of admissions to engineering and computing courses

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Good practices

Automatic conversion in Excel changed to prevent errors in genetic studies

Microsoft has announced changes to an Excel feature that has become infamous for introducing errors into research data

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Video

What are supercomputers?

Capable of complex operations, machines enable to investigate matters such as the effects of deforestation on climate and Milky Way evolution | 5'26

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Obituary

The cloud architect

Engineer Luiz André Barroso was known for his pioneering work in data center planning

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COMPUTING

The challenges of regulating artificial intelligence

Brazil discusses legislation to regulate the use of artificial intelligence

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Acknowledgment

Three awards for Brazilian scientists

Biologist, parasitologist, mechanical engineer, and computer scientist receive the Bunge Foundation Award

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Digital world

More barriers to prevent cyberattacks

Brazilian data security legislation takes important steps forward, but devices connected to the internet are still vulnerable

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Entrepreneurship

New products for rural property owners

Startups develop food and improve agricultural management and sales, according to EMBRAPA analysis

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Cover

ChatGPT ushers in a new era in human-computer interaction

Software promises to reinvent everything from online search engines to voice assistants, with a multitude of ethical implications

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Cover

System designed to detect manipulated images in scientific articles

Artificial intelligence can both generate fake images and help to identify them

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Good practices

When misconduct goes unpunished

Survey finds that only one in five articles containing errors or suspected misconduct lead to a reaction by the publishing journal

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COMPUTER SCIENCE

The legacy of the Ugly Duckling

The first Brazilian computer was developed 50 years ago at USP’s Polytechnic School and changed the teaching and national industry of technology

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INTERVIEW

Virgílio Almeida: A thinker of the digital world

Computer scientist warns of the risk that the internet and its digital tools will increase discrimination and social inequality

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PROFILE

Scarred forests

International recognition for Brazilian geographer who has spent almost three decades studying the transformations caused by forest fires

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Interview

Osvaldo Catsumi Imamura: A secure device

The engineer who created the layered security framework for Brazil’s electronic voting machine explains why the system is trustworthy

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GOOD PRACTICES

Bad translations signal misconduct in scientific articles

Researchers compile “tortured phrases” that seek to hide plagiarism and fraud in papers

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OBITUARY

An internet visionary

Computer scientist Tadao Takahashi was one of the people responsible for implementing a national computer network in Brazil

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AUTOMOTIVE ENGINEERING

Self-driving cars—the future of mobility

Still a long way from day-to-day city traffic, driverless cars are the subject of research in Brazil

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GEOLOGY

Computer simulations attempt to explain the origin of the Serra do Mar and Mantiqueira mountain ranges

A study by geophysicists from UNESP suggests the mountain ranges were formed by local processes, not influenced by the Andes

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Education

Video games in the classroom

Interactive and immersive games can serve as teaching aids

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Good practices

Digitization to fight plagiarism

Nigeria's Tertiary Education Trust Fund (TETFund) will begin digitizing scientific theses and papers written by its students and faculty

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COVID-19

The impact of restrictions on movement

Lockdown delays the peak of contagion and reduces infections of the disease

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Geology

Earth’s climate in the distant future

A team used computer simulations of the movement of tectonic plates to investigate what Earth's climate might look like in the distant future

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Computation

Tuberculosis screening algorithm

Researchers have devised a computer-aided technique for interpreting digital chest radiography images and identifying new cases of tuberculosis

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Aerial robotics

Out of sight

Drone manufacturer in São Paulo first in Brazil authorized to make flights higher than 120 meters above the ground and as far as 30 kilometers from the takeoff point

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