Technology

AUTOMOTIVE ENGINEERING

Trucks and buses operate without drivers

Autonomous navigation system developed by Vitória-based startup allows vehicles to identify obstacles and travel on predefined routes

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BIOENERGY

Enzyme from bacteria in the soil may increase productivity of second-generation ethanol

Microorganism protein breaks down cellulose in sugarcane bagasse into smaller sugar, which ferments more easily

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Interview

Allaine Cerwonka: Artificial intelligence connections

Director of UK's national institute for data science discusses research collaborations with Brazil

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Physics

Traces of a super-energetic neutrino under the sea

Ultra-energetic neutrino detected in the Mediterranean

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cover

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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COVER

How to make data centers more sustainable

Renewable energy sources and more efficient distribution of computing tasks could reduce the impacts of these facilities

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COVER

The environmental impacts of computing

The energy- and water-intensive sector is responsible for 1.7% of atmospheric carbon emissions; a new area of research has emerged to address the problem

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RETROSPECT

First books for the blind in Brazil

Institute in Rio de Janeiro has been printing in braille since 1857

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VISUAL ARTS

Artificial intelligence creates new possibilities, but also poses challenges for artists

Use of AI raises a number of questions about the process of artistic creation, including authorship

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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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ENVIRONMENT

Artificial intelligence identifies areas most vulnerable to landslides

Study compares the effectiveness of five machine-learning models at predicting this type of disaster in São Sebastião

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Renewable energy

Flying high, day and night, on solar power

Solar-powered aircraft flies for 24 hours, climbing 20 km and crossing the stratosphere

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photolab

Roland Garros, inside out

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

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