Energy

Energy

Recyclable solar panels

Swedish scientists create recyclable perovskite solar cell

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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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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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NUCLEAR ENGINEERING

AI created in Brazil helps in Angra 1 operational license renewal process

Artificial intelligence software estimates historic temperature of key equipment to extend lifespan of nuclear power plants

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Environment

Belo Monte Dam and drought cause the Volta Grande do Xingu region to dry up

Monitoring indicates that low water flow is preventing fish from reproducing and impeding the way of life of Indigenous people and riverside communities

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New materials

Efficient and flexible solar cells

Ultra-thin, flexible perovskite solar cells could be printed onto bags, cellphones, and cars

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Technology

Fast-charging batteries for electric cars

Electric car battery prototype can be charged in five minutes

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TRANSPORT ENGINEERING

Brazilian magnetic levitation train begins new phase of testing

MagLev Cobra uses the magnetic force between rare-earth magnets and superconductors to move without touching the track

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ENERGY

Brazilian scientists develop lightweight, flexible lead battery

The device, still in the prototype phase, is foldable and can be used for multiple applications, including vehicles, clothing, electronic devices, and even microsatellites

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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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Energy

Brazilian research center develops prototype nuclear battery

Device can generate energy for hundreds of years without needing to be recharged

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Sustainability

SAF Studies advance in the country

Universities and research centers are investigating new methods, processes, and raw materials to increase biofuel production and reduce costs

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Sustainability

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could play a leading role through the production of an alternative to fossil kerosene

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Energy

The end of a nuclear fusion reactor

Nuclear fusion reactor operating in the United Kingdom since 1983 to be decommissioned

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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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Astronomy

Internet down? It could be because of the Sun

Extreme solar activity could cause internet and power outages in 2024

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Sustainability

Seven-hour flight with 100% SAF

A Boeing 787 completed the first transcontinental flight powered entirely by sustainable fuel

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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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Energy

Another vinasse biomethane factory

São Martinho plant announces plans to invest in its first biomethane factory

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Cover

The path to sustainable hydrogen

Brazil begins producing the fuel, which is seen as key to the transition to a low-carbon economy

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Sustainability

Agreement to accelerate transition to clean energy in Africa

Partnership seeks to identify, fast-track, and scale clean energy projects across Africa

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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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BIOFUEL

Liquid enhancement

Applying a single dose of natural compounds to sugarcane crops can boost the production of second-generation ethanol

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RENEWABLE ENERGY

The fate of solar panels at the end of their lifespan

Disposal and recycling of photovoltaic modules raises environmental challenges and opportunities with respect to the energy transition

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Sustainability

A hydrosolar megastation in China

World's largest combined hydro and solar power station begins operating in China

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Sustainability

Bamboo, a renewable energy source

Thanks to its rapid growth, bamboo can serve as a renewable energy source

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Energy

Brazilian researchers develop sodium-based battery

Sodium offers an alternative to lithium for electric vehicle batteries

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OBITUARY

Synchrotron light pioneer

Argentine physicist Aldo Craievich played a major role in establishing a community of synchrotron light source users in Brazil and paved the way for glass research

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ASTROPHYSICS

Dense, compact star could be made of strange matter

With 80% of the mass of the Sun and a radius of 10.4 kilometers, the object could be made up of free quarks

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OPTICS

Sharper images

US company launches a system developed at UNICAMP to improve light collection performance in scanning tunneling microscopes

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