Technology

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The high energy demands of the cryptocurrency market

The digital currency industry’s electricity consumption is equivalent to that of an average European country

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NEUROSCIENCE

Robotic platform makes transcranial magnetic stimulation treatment more precise

Software-guided equipment created by Brazilian researchers improves equipment used to treat degenerative and psychiatric diseases

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MATERIALS ENGINEERING

Research centers and companies in Brazil finding new applications for niobium

Innovations made using the material target batteries, cosmetics, fungicides, and catalysts

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OPTICS

New generation of chips

Brazilian universities and research centers developing prototypes of light-based devices that promise greater speed and lower energy consumption

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INTERVIEW

Liane Rossi: Brazilian scientist recognized by Swedish royalty

USP researcher who specializes in sustainable chemistry was awarded King Carl XVI Gustaf Professorship in Environmental Science

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AGRICULTURAL ENGINEERING

Robot eliminates invasive plants and insects that damage crops

Robot eliminates invasive plants and insects that damage crops

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NUCLEAR ENGINEERING

AI created in Brazil helps in Angra 1 operational license renewal process

Artificial intelligence software estimates historic temperature of key equipment to extend lifespan of nuclear power plants

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Interview

Elisabete Fernandes: Transparency with radiation

Researcher explains how radioisotopes can help track products such as timber, meat, soybean, and coffee

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Water engineering

New device set to expand knowledge about Brazilian soils

Pioneering automated equipment that measures water permeability in soil will hit the market in 2025

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Space

Brazil starts creating national network of telescopes to monitor space debris

The objective is to monitor the millions of pieces of debris orbiting Earth that could damage satellites, rockets, and the safety of the planet

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Civil engineering

Buildings need to be adapted to higher temperatures

Buildings need to be adapted to higher temperatures

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Aeronautical engineering

Chinese flying car debuts in Brazil

Chinese-made EHang model completes first flight trial in São Paulo as Embraer’s eVTOL prototype nears flight-testing phase

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Biotechnology

Research indicates new uses for microalgae

In the lab, the microscopic organisms proved capable of producing fertilizer, fixing metals in effluents, and offering new strategies for biofuels; the challenge is to expand the scale

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Cover

Graphene hits the market

Two decades after it was first created, the unique two-dimensional nanomaterial is beginning to be incorporated into technological innovations on a commercial scale

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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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