Energy

Energy

Turbine layout affects power generation

Researchers found that irregular spacing between turbines may optimize energy production

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ENERGY

Winds of change

Brazilian wind power could provide three times more energy than all other electricity sources put together; it currently supplies 22 million homes

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Energy

Thousands of solar panels on the Sobradinho dam

The solar farm is capable of generating 1 megawatt peak (MWp)

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Video

Sirius, the largest and most complex Brazilian laboratory

Last generation source of synchrotron light may improve the quality of Brazilian research

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Video

Promising winds ahead

Today, wind power energy is the third source of Brazil’s primary energy supply

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ENVIRONMENT

Energy to change

Conference discusses the role of biofuels in fighting global warming

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Cover

The race for the best light

Sirius will compete with both a fourth-generation facility inaugurated in 2016 in Sweden, and another planned to begin operating in 2020 in France

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Cover

Leaping towards brilliance

Now in its final stage of construction, the latest-generation synchrotron light source could elevate the quality of Brazilian research

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BIOENERGY

Obstacles in the way

Delays in achieving economic viability of second-generation ethanol keeps investors at arms’ length, but some companies are staying in the race

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AEROSPACE SYSTEMS

Green propulsion

INPE and the Brazilian Air Force develop sustainable engine and fuel for use in rockets and satellites

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INTERVIEW

Benedito Braga: A fundamental right

World Water Council President Benedito Braga discusses his expectations for this month's World Water Forum in Brasília

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COVER

A deal in the air

Boeing and Embraer discuss a business union that could create the largest aviation conglomerate in the world

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ADAM BROWN

Adam Brown: A roadmap to navigate technology hurdles

British bioenergy expert says the sector needs greater public policy support

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Environment

Brazilian ethanol could reduce carbon dioxide emissions by 5%

Brazilian ethanol could reduce carbon dioxide emissions by 5%

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ENERGY

More efficient light

Perovskite solar cells may be an alternative to the silicon solar panels

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ATLAS 

To take advantage of the Sun

Study indicates favorable areas for exploring solar energy in Brazil

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cover

More efficient batteries

The electric car's biggest limitation is its energy storage system

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Cover

The challenges faced in Brazil

The use of electric models in Brazil depends on obstacles being overcome

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Cover

The rise of electric vehicles

16% of the world's cars will be electric by 2030

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AEROSPACE SYSTEMS

Green propulsion

Ethanol is tested for use in rockets

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Engineering

Company watchdog

Electric vehicle has eight hours of autonomy and travels specific routes

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Synlight

Artificial sun is expected to accelerate the search for clean fuels

Artificial sun is expected to accelerate the search for clean fuels

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Physics

The behavior of blackouts

Mathematical models help us understand how successive failures cause blackouts

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TRANSPORTATION

More sustainable buses

A Brazilian company launches a cleaner hybrid electric vehicle in line with multinational manufacturing trends

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HISTORY

Light and Power

Companies from the 19th century formed the São Paulo electric power industry

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Climate changes

Trump’s odd view of science

Early Trump Administration plans make no mention of renewable energy

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Metallurgical engineering

More efficient metals

Technological innovations enhance performance of steel used in motors

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Frank Allgöwer

The impact of basic science

The efficiency of smart networks depends on new theoretical models

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diamondoids

Diamonds insulate nanowire

Material can produce a semiconducting nanowire three atoms wide

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Energy

Bendable LED consumes little energy

Bendable LED screen could be the basis for a hypothetical electronic paper

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