Technology

Interview

Graça Nunes: AI with no illusions

Expert from USP São Carlos warns about the limitations and ethical obstacles of artificial intelligence

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Agriculture

New compounds to be tested against citrus canker

Farmers are turning to copper to stop one of the oldest pests in Brazilian citrus farming

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Defense

Brazilian company develops monocular capable of seeing heat emitted by the body

Military equipment is designed to detect people in dark, smokey, dusty, or foggy environments

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Biotechnology

Plant-based proteins improve lab-grown meat

Agricultural waste could reduce costs and make meat grown from animal cells even more similar to conventional meat

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Environment

Good cultivation practices can reduce carbon emissions in the field

Good cultivation practices can reduce carbon emissions in the field

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Crop Science

New cultivation techniques seek to curb the spread of citrus disease

Greening was one of the main causes of a 25% drop in yield in the last harvest

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TRANSPORT ENGINEERING

Brazilian magnetic levitation train begins new phase of testing

MagLev Cobra uses the magnetic force between rare-earth magnets and superconductors to move without touching the track

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ENERGY

Brazilian scientists develop lightweight, flexible lead battery

The device, still in the prototype phase, is foldable and can be used for multiple applications, including vehicles, clothing, electronic devices, and even microsatellites

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AGRICULTURAL ENGINEERING

A vibrant way to control brown stink bugs

A device that simulates the vibrations emitted by the insect could be used to monitor its presence in soybean and maize crops

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ENERGY

The race for perovskite solar cells

Brazilian research groups are helping to advance research on a promising class of materials for photovoltaic applications

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SUSTAINABILITY

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could fulfill a leading role through the production of an alternative to fossil-based kerosene

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CHEMISTRY

Hydrogel pellets remove water from biodiesel

Reusable material emerges as an alternative for purifying biofuel

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BIOTECHNOLOGY

Scientists develop serum for Africanized bee venom

Scientists develop serum for Africanized bee venom

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CLIMATE CHANGE

How sponge cities can help prevent flooding

How sponge cities can help prevent flooding

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FARMING

Trees in pasture areas improve cattle herd productivity

Thermal comfort provided by shade makes cattle more productive and increases their ability to reproduce

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NANOTECHNOLOGY

Egg white increases adhesion of graphene to cotton threads

Group from Recife uses albumen from egg whites to attach plant-fiber coverings used in electronic clothing

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ENVIRONMENT

System captures CO2 from the atmosphere

The country's first system designed to remove carbon directly from the air is installed in Rio Grande do Sul

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ENVIRONMENT

Removing carbon from the atmosphere could help curb global warming

CO2 capture, use, and storage systems present an alternative way for Brazil to mitigate the effects of climate change

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BIOTECHNOLOGY

Transgenic goats, rabbits, and cows produce drugs for human use

Transgenic goats, rabbits, and cows produce drugs for human use

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MINING

What to do with the waste generated by mineral exploration

Mining companies, startups, and universities are looking for new ways to use waste produced during extraction processes

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AGRICULTURE

New environmental practices foster the creation of agricultural startups

Survey by EMBRAPA identifies growth of agricultural companies linked to sustainability, with a significant increase in the North of Brazil

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SPACE AGRICULTURE

Brazilian researchers investigate how to grow plants off Earth

The scientists want to contribute to a NASA program whose objective is to grow food for future colonies on the Moon and Mars

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Energy

Compact device can reduce power outages

Company intends to increase the use of reclosers, which restore electrical current after short circuits in overhead cables

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Aerospace engineering

A drone to explore other planets

Unmanned aerial vehicle is designed to fly on Mars and in inhospitable regions of Earth

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Innovation

The challenge of period poverty

The inability to manage menstruation properly due to poverty causes significant social and economic hardship for millions of women globally

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Technology

Less polluting menstrual pads

Decomposing in up to six months, biodegradable menstrual products can help to reduce plastic waste and pollution

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Energy

Brazilian research center develops prototype nuclear battery

Device can generate energy for hundreds of years without needing to be recharged

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Sustainability

SAF Studies advance in the country

Universities and research centers are investigating new methods, processes, and raw materials to increase biofuel production and reduce costs

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Sustainability

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could play a leading role through the production of an alternative to fossil kerosene

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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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