Engineering

AGRICULTURAL ENGINEERING

Robot eliminates invasive plants and insects that damage crops

Robot eliminates invasive plants and insects that damage crops

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ENVIRONMENT

Aquifer depletion threatens forests and rivers

Over-exploitation and climate change are damaging environments that depend on underground water reserves

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Research itineraries

Originally from a riverside community, Gracialda Costa Ferreira investigates the identities of trees

Forest engineer also aims to improve the income of Amazonian communities

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Retrospect

100 years of TV: From tubes to smart TVs

Television faces competition from the internet and struggles to remain relevant

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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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Data

Enrollment on engineering and computing courses

Data analysis sheds light on enrollment on engineering and computing courses

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Photolab

The lower the better

Sphere reveals a colorful streak that reflects the order of stainless-steel atoms

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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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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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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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