I.T.

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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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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COMPUTING

Deepfake

Algorithm developed to detect images and videos altered by artificial intelligence, the new technological method for spreading disinformation

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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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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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COMPUTING

Deepfake

Algorithm detects images and videos altered by artificial intelligence, the new technological approach to spreading disinformation

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Videos

What is deepfake?

Anderson Rocha, head of the Artificial Intelligence Laboratory (recod.ai) at the University of Campinas, explains how this technology works, as well as its applications and risks

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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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Information technology

Brazil’s electronic voting machine comes of age

Going digital brought agility and stability to a process that has been marked by fraud and distrust in the past

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Cyber security

Internet vulnerabilities

Brazilian cybersecurity firms seek growth as virtual crime rises

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Data

Scientific publications on artificial intelligence1

The number of scientific articles on artificial intelligence (AI) published worldwide tripled

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Industry 4.0

Digital mining

Technology is helping to enhance productivity and safety in a high-risk industry

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Careers

Eradicating malaria

Congolese student uses artificial intelligence to fight the disease, which affects more than 210 million people a year

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Computer Science

Discriminatory algorithms

How artificial intelligence assumes discriminatory behavior and what science can do to prevent it

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Open access

Unearthing hidden treasure

A new platform allows users to search scholarly data from eight universities in São Paulo

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Interview

Silvio Crestana: A Matter of Survival

Cost reduction, eco-efficiency, and integration with the supply chain make investment in technology a vital imperative

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Cover

Agricultural innovation

Learn about some of the new-generation technologies that are reshaping farming and agriculture

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Internet

The future of the web

As the web turns 30, the technology that has transformed the modern world faces challenges to remaining a free, democratic, and pluralistic domain

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CAREERS

Women resuming a prominent role in computing

Initiatives encourage girls to explore technology, programming, and entrepreneurship in Brazil

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Justice

Automation in law

A new type of startup, known as legaltech, is developing technological systems for the legal field

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Information technology

Deciphering blockchain

System created to support cryptocurrency is now being used in a number of other applications

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Interview

David Cox : The power to transform the world

American neuroscientist says health and cybersecurity are just some of the areas that stand to benefit from advances in artificial intelligence

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Cover

Mimicking the brain

Artificial intelligence as a scientific field was borne from mathematical studies in the 1940s

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Cover

Fertile ground for artificial intelligence

As the use of AI continues to grow, a consortium of researchers has created an institute designed to help establish partnerships between universities and businesses

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Biometrics

A face in the crowd

Facial recognition systems are becoming increasingly popular in Brazil and are already in use to prevent fraud, identify university exam participants, monitor travelers, and check in air passengers

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