Technology

Computer engineering

A theory to explain how the software industry works

Study by Brazilian researchers details how computer programs and applications used in our daily lives are produced

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Chemical engineering

Compound based on thyme oil proves effective against Aedes aegypti

Technology licensed to a company from São Paulo eliminated 100% of dengue mosquito larvae in tests

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Ocean engineering

System will monitor oil wells and other structures on the seafloor

Brazilian technology uses acoustic modems and sensors to assess the integrity of equipment installed on the ocean floor

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Indicators

IBGE Innovation Survey to resume after eight-year break

Methodological changes will be made to the survey, expanding the concept of innovation

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Retrospect

Launched 70 years ago, the polio vaccine has prevented thousands of deaths

Now, the low immunization rate is paving the way for polio to return

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Naval engineering

Brazil takes another step towards building a nuclear-powered submarine

Assembly of the prototype reactor that will propel the vessel is underway; project is set to be completed in the next decade

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Chemical engineering

New technique for recycling lithium-ion batteries

Pilot plant will test unique process for recovering chemicals from the main types of devices on the market

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Green energy

Brazilian scientists transform CO2 into fuel for ships, cars, and trucks

Ongoing projects seek to establish industrial production of renewable methanol, gasoline, and diesel

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Interview

Renato Cotta: Engineer advocates for increased investment in the nuclear sector

UFRJ researcher helped develop Brazil’s ultracentrifuge technology for uranium enrichment

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Biotechnology

Oil-filtering membrane

Membrane could reduce energy consumption in oil refining

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Innovation

Concrete made with coffee instead of sand

Dengue fever less severe in people of African descent

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Technology

Detecting cancer with microwaves

Scientists test microwave device for detecting cancer in blood

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Photolab

Backward Roland Garros

It looks like a tennis ball, but it is actually a microstructure that could be used to produce refractory ceramics

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Space engineering

To locate people lost at sea

A nanosatellite developed in Brazil is designed to help rescue small boats during maritime emergencies

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Atmospheric chemistry

From the forest to the air

Gas emitted by trees in Amazonia increases the production of condensation nuclei, the origin of clouds, by 100 times

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