Engineering

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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FAPESP

UNICAMP Dean appointed to FAPESP Board of Trustees

UNICAMP dean appointed to the Board of Trustees

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Technology

Surgical masks coated with cellulose nanofibers

Cellulose nanofibers reinforce surgical masks

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RETROSPECT

Revolt against the weighing scale

The implementation of the Decimal Metric System in Brazil caused a popular protest that was strongly repressed during the Brazilian Empire, 150 years ago

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OBITUARY

Without fear of contradiction

Newton da Costa earned international recognition for his revolutionary systems in the field of logic

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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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PHYSICS

Quantum startup develops random-number generator used in lottery

Chilean company was founded based on a method developed by a physicist from Minas Gerais and his Polish colleague

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PLANNING

Quantum technologies need to attract more engineers

The topic was addressed at a thematic meeting held in Rio de Janeiro and São Paulo, a preparatory event for the 5th National Conference on Science, Technology, and Innovation

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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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Innovation

Sono-ink for internal injuries

Liquid called sono-ink can be molded to repair bone fractures and internal injuries

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New materials

Nanocellulose used in tires and cosmetics

Substance extracted from plants increases the strength and reduces the weight of paper, rubber, plastics, paints, and cement

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Agricultural engineering

New sensors help to optimize use of irrigation in the field

Devices developed in Brazil were designed to measure soil moisture

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Interview

Marco Antonio Chamon: Busy years ahead for Brazil’s space program

The Brazilian Space Agency’s recently appointed president announces new international collaborations as he prepares for a flurry of rocket and satellite launches

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New materials

Advances in 3D printing of human tissues

Artificially produced skin, livers, and intestines emerge as an alternative to testing cosmetics on animals

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Energy

The race for perovskite solar cells

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

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Energy

Offshore wind farms could provide electricity for oil platforms

The first test of a reduced-scale structure was carried out in Brazil with positive results

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Interview

Antonio Bisconsin Junior: “Eating insects makes perfect sense”

Food scientist who developed cricket-based protein flour argues that Brazil should aim to produce knowledge and technologies in the sector

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Data

Admissions to engineering and computing courses

Survey shows changes in number of admissions to engineering and computing courses

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Good practices

Compromised peer review leads to retraction of 209 articles

Publishing company Sage has announced the retraction of 209 scientific articles

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Retrospect

Veterans of the Nióbio Project try to rescue it from obscurity

45 years ago, researchers and technicians began developing domestic technology for metal production in Lorena, São Paulo

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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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Archaeology

Human footprints suggest large population in ancient Amazon

Human footprints suggest large population in ancient Amazon

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Obituary

Ice and fire

Environmental engineer Alberto Setzer led Brazil’s Antarctic meteorology project and INPE’s fire monitoring program

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ENERGY

The challenge of recycling lithium batteries

Research groups in Brazil work on new techniques to separate and reuse the metals contained in these energy-storage modules

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Acknowledgment

Three awards for Brazilian scientists

Biologist, parasitologist, mechanical engineer, and computer scientist receive the Bunge Foundation Award

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Materials engineering

Glass against cancer

Researchers have developed composite materials with the potential to kill carcinogenic cells and regenerate bone

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RETROSPECT

Brazil’s first roadways

Constructed using Scottish paving techniques from the mid-nineteenth century, early roadways were instrumental in promoting territorial integration

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Technology

India plans national research agency with US$6 billion budget

India planning to create a national funding agency to stimulate research at the country's universities, institutes, and laboratories

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Engineering

Jamaicans behind British iron

Wrought iron production method was invented by Black metalworkers in Jamaica before being taken to England

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Space mission

Evidence of ancient rivers on Mars

New images from Perseverance show signs of what might have been a river on Mars

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