Engineering

Climate change

Injecting particles into the atmosphere could temporarily reduce global warming

The controversial technique of releasing aerosols could reduce the amount of sunlight reaching Earth, but the negative side effects might outweigh the benefits

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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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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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