Technology

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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Engineering

Startup captures energy dispersed into the air by factories

Device transforms electromagnetic waves into electric current to power Internet of Things sensors in factory environments

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ENERGY

Jet fuel can be produced from CO2

Technology uses carbon dioxide captured from the atmosphere, chimneys, or industrial activities to produce sustainable kerosene

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Energy

Airline industry strives to eliminate its carbon footprint

Brazil has the technology and raw materials needed to be a global leader in sustainable aviation fuel production

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COVID-19

Brazilian networks keep a close eye on coronavirus variants

SARS-CoV-2 genomic surveillance in the country backed by funding from British government program

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MECHATRONICS

Robots disinfect spaces with UV light

Artificially intelligent machines used to stop the spread of viruses, fungi, and bacteria

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LIVESTOCK

Company creates system to identify cattle with cameras

The technology can recognize individual cattle with 99.8% accuracy

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TRANSPORT ENGINEERING

Environmentally friendly asphalt

Reusing mining tailings, construction waste, demolition rubble, and other waste reduces the amount of gravel, natural sand, and petroleum derivatives used in paving material

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COVID-19

Anti-coronavirus semiconductors

Nanotechnological materials emerge as promising alternatives in the battle against SARS-CoV-2 and future pandemics

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DATA SCIENCE

The machines that make biology a science of huge numbers

DNA sequencers, recorders, drones, and other devices are increasingly being used to save time and shake up research methodologies

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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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COVER

Brazil making efforts to reduce the carbon footprint of livestock

With more head of commercial cattle than any other country in the world, Brazil is striving to mitigate greenhouse gas emissions associated with cattle farming

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COVER

Pasture management and dietary changes make livestock more sustainable

Strategies with the potential to reduce the sector’s impact on Earth’s climate are already available to farmers

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ENERGY

Brazil prepares to start producing green hydrogen

Businesses and academia aim to put Brazil on the sustainable gas map by backing the fuel of the future

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ENGINEERING

A robot guide dog for the blind

Startup from Espírito Santo launches robotic guide dog to help the blind

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Biotechnology

Sugarcane editing

EMBRAPA secures regulatory approval of the world’s first transgene-free sugarcane varieties modified using CRISPR, a groundbreaking technique for faster and cheaper gene editing

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Aeronautical engineering

For the short haul

Brazilian startup to manufacture aircraft specially designed to operate out of underserved small-town airports in Brazil

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Education

Video games in the classroom

Interactive and immersive games can serve as teaching aids

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COVID-19

Another step towards a universal vaccine

Clinical trials begin for broad-spectrum vaccines designed to offer protection against multiple coronaviruses

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Naval engineering

Robots on the high seas

Autonomous boat and drone used to monitor oil leaks at offshore oil platforms

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COVID-19

The efficiency of masks

Tests reveal how and to what extent different types of masks limit the airborne spread of infectious diseases

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Biodiversity

Wild species at the table

Wild varieties can enrich the diet and the decor

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Energy

Underground cooling

Could geothermal systems replace air conditioning?

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Aerospace engineering

Launch remains distant

Brazil makes progress on satellite launch vehicle, but several obstacles need to be overcome before it can make its first flight in 2025

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COVID-19

New coronavirus drugs

Pharmaceuticals announce orally administered drugs designed to treat the disease caused by SARS-Cov-2

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Health

Focus on the bacillus

Fast, portable, and sensitive, a new test could be a useful tool for preventing leprosy and helping with early diagnosis.

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Environment

The growth of urban agriculture

Climate emergencies and pandemics reinforce the importance of agricultural production in cities, which accounts for 15% of the food grown worldwide

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Cover

The power of renewables

Wind and solar energy expected to continue increasing their share in the power generation mix over the coming years

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Cover

Shortage risk

Historic drought exposes vulnerabilities in Brazil’s electricity system, which is heavily dependent on hydroelectric plants

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COVID-19

The quest for a Brazilian vaccine

Researchers are testing a range of technologies, but few initiatives will receive the funding needed for costly phase 3 clinical trials

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