Category

Science

Italian the largest photovoltaic system in the world

The roofs of the Rho fair will host the world's largest photovoltaic plant

The supercapacitor that recharges the smartphone in 30 seconds

Eesha Khare, 18, from California, has designed a high-density capacitor that can recharge a smartphone in 20-30 seconds.

In London the largest solar bridge in the world

The photovoltaic roof of the Blackfriars railway bridge on the Thames in London was inaugurated. It will provide half the energy needs of the underlying station.

Turns on a tornado to make electricity

Could a tornado save us from the energy emergency? Yes, if it is artificial! A Canadian engineer built a "vortex generator" to produce electricity.

The largest solar power station in the world lit up in Morocco

& Egrave; was turned in Morocco Noor1, the first lot of the pi & ugrave; great solar plant in the world: objective of the Government of Rabat & egrave; that of bringing the country to an energy independeza ... green.

Drinking water from photovoltaic panels

The recent invention of a team of Saudi researchers uses the heat generated by photovoltaics to purify water. A winning combination that could improve the lives of nearly a billion people.

Goodbye batteries! In the future, smartphones will capture energy from wi-fi

The first device capable of transforming the electromagnetic energy of Wi-Fi signals into electricity is developed at MIT.

Electric cars as emergency shelters in the event of a disaster

In Japan, various car manufacturers try to use electric cars as emergency shelters and as sources of energy in case of natural disasters.

Street lighting: photovoltaic and pedestrian energy

Las Vegas: experimentation with photovoltaic panels and pedestrian sensors to illuminate streets and squares.

A whiskey-powered car

The world's first machine to run on a biofuel made from whiskey production residues has successfully completed its first test drive

Solar cells filled with bacteria: they also work with the cloudy sky

From Canada an economic and reproducible technique on an industrial scale to exploit the capacity; of bacteria to derive energy from light: & egrave; effective even in low-light environments, and uses a process similar to photosynthesis.

8 alternative ways to produce energy

From droppings to solar winds, to commuter sweats: some unusual sources of energy that could make it even better; sustainable the energy future of the planet.

Gasoline from carbon dioxide

In Canada we try to produce sustainable fuels starting from CO2 in the atmosphere: will we have zero-impact gasoline?

How to measure electricity

How many hours does a power plant work? How do you measure the energy and power of our power plants? What is the usage factor?

China, a solar park floating on a former coal mine

The last mega project in terms of renewables has seen the rise of 166 thousand panels in an abandoned extraction site turned into an artificial lake.

Electric current from space

Japan plans to install a large photovoltaic system in the space that will produce electricity and transmit it on Earth without wires.

Hydrocarbons from CO2, hydrogen from water ...

C ' & egrave; for really a simple and cheap method to convert carbon dioxide into hydrocarbons, natural gas into oil and water into oxygen and hydrogen? & nbsp;

The smart floor

Discovering Pavigen, the intelligent floor that produces electricity when it is stepped on.

CO2 fuel thanks to a bacterium

A team of American researchers has developed a bacterium capable of transforming CO2 into green fuel. The road looks promising, but it is still very long.

Costa Rica, from the beginning of 2015 only clean energy

Thanks to heavy rainfall and considerable natural resources, the country fed the electricity grid for 75 days only with renewable sources. A record that is difficult to imitate.

Electricity from compressed air

Developed an economic system to conserve the surplus energy of large wind power plants in the form of compressed air: it will allow better exploitation of wind technologies.

From nuclear to solar: the slow transformation of Chernobyl

The works for a photovoltaic plant a hundred meters from the & quot; sarcophagus & quot; that covers the exploded reactor are almost finished: & egrave; a drop in the sea in a contaminated territory forever, but however a way to give it a destination.

From the sun to biofuel through the "bionic leaf"

The researchers of the University & agrave; from Harvard have developed an artificial leaf that transforms sunlight into fuel thanks to a complex system that simulates photosynthesis and uses a genetically modified bacterium.

Carbon dioxide is a green and environmentally friendly battery

MIT researchers have developed a low environmental impact battery using carbon dioxide produced by industrial combustion processes. & Nbsp;

From wet waste to liquid fuel thanks to Endurance Bioenergy Reactor

A new family of bacteria transform wet waste into ready-to-use liquid fuel, thanks to the Endurance Bioenergy Reactor reactor.

After Fukushima: how many nuclear power plants in the world?

Fukushima or not, nuclear energy in the world grows.

Where is uranium extracted?

Unlike gas and oil, the geographical distribution of uranium is rather complex.

Wind energy: how a wind turbine works

Com ' a 150 meter high wind tower is made with blades 65 meters long each.

All world electricity can come from the wind

According to a recent study, the global electricity demand could be met by wind energy.

Electricity production is growing: oil, coal, gas and renewables in 2015

Electricity: we make it from oil and coal, from the Sun, from the heat of the Earth and from the atom. Here is the energy balance of the electricity & agrave; of 2015, including CO2.

Nuclear energy - What is plutonium?

Plutonium is a very rare fissile element on Earth: for the most part it is synthetic and comes from research or military reactors.

Nuclear energy - What is recovered uranium?

Approximately 95% of uranium is recovered from the reprocessing of spent nuclear fuel: this is the recovery uranium

Nuclear energy - How many types of radioactive waste are there?

In Italy, the law identifies three categories of nuclear waste.

8% of the energy produced in Europe in 2014 came from the wind

Good news on the wind energy front: in 2014, the European Union took from the wind 39% of its electricity needs;

Clean energy, the Bill Gates recipe

The tycoon invests 2 billion dollars and presents a vademecum in three points on how men and nations should behave to face the inevitable consequences of climate change.

Nuclear fusion: (good) results confirmed for the stellarator

Experiments started last year are giving results that bode well for the use of nuclear fusion energy.

Great step forward from renewable sources in 2013

Throughout the world, during the past year new green electricity plants have contributed about half of the energy produced. And this even if government incentives have decreased.

The mega photovoltaic system of China

The Chinese government is building a 25-square-kilometer facility in the Gobi desert to power one million homes.

What energy!

Energies & ldquo; Human & rdquo; enatural in comparison.

Energy - What technologies do we use to produce electricity?

L ' electricity is a secondary energy: until we are able to capture and directly use that of lightning we will have to produce it by burning fuels or using water, sun, wind ...

Renewable energy: engine for energy - and the economy - of the future?

Renewable energies: is it possible for a company whose development is compatible with the protection of energy resources and respect for the territory? A "live" debate, also on Focus.it.

Fukushima, decontamination proceeds extremely slowly

TEPCO's work continues to remove the spent fuel rods from the reactors at the damaged plant. But for the necessary accuracy and the very high level of radiation it will take many decades to clean up the plant.

Renewable energies: bacteria and evaporative engine

A spore colony generates mechanical energy and electricity enough to light a bulb and start a little car. It happens at Columbia University.

The braking of the trains that turns on the stations

The London Underground experiments with an innovative regenerative braking system capable of recovering the energy dissipated by the braking trains to convert it into electrical current. And it works.

Launched at St Malo Energy Observer, the Solar Impulse of the seas

It was a sailboat now & egrave; become the first hydrogen boat to try & agrave; to go around the world and to demonstrate that renewable energy can go anywhere.

The artificial leaf that also works outdoors: fuel and oxygen from CO2

After a long apprenticeship in the laboratory, the device that imitates the photosynthesis of plants could land in the real world, and with a good energy efficiency.

2016: the use of coal drops

China and India have reduced the use of coal: a step forward to mitigate the effects of climate change, but it is still not enough.

Nuclear fusion, at MIT a plant within 15 years

The flower institute at the heart of the research received a super loan to build the superconducting magnets; powerful never created. The objective: to feed the cities; with the same energetic process that keeps the stars on.

Nuclear fusion: positive results from the NIF

An important step forward in nuclear fusion technologies: for the first time a positive energy balance, even if partial, is obtained in a fusion test.

Electric current from pee

A team of British researchers has created a bio-battery that transforms urine into electricity. Is not serious; the first prototype of the genre but the English one & egrave; the pi & ugrave; complete and efficient so far built. And - theoretically - suitable for being produced industrially.

New reference for ITER, the fusion reactor

The umpteenth slippage and new financing: at this point ITER, the magnetic confinement reactor for nuclear fusion, will be perhaps lit in 2025.

Google tells you if you should install solar panels

With Project Sunroof Google recommends which are the best areas of the city; to install the photovoltaic panels on the roofs and calculate the savings on the bill.

Hydrogen: how is it done?

Most of the hydrogen produced in the world derives from industrial chemical reforming processes or is obtained as a by-product of petroleum refining and processing of indu

Lockheed Martin's nuclear fusion program

The American multinational continues to develop its nuclear fusion reactor

American nuclear test footage

Restored to make them last over time, they are available on the Internet. Still today, they offer information on the consequences of dramatic nuclear explosions.

Almost unlimited methane for China and Japan?

The two countries claim to have solved the problems of methane extraction from the clathrates of the ocean floor, without however provide details on the technologies.

The graphene sheet that walks

Heated by light, a small origami made of graphene layers contracts and comes to life. The discovery could lead to important energy applications.

The United States returns to look for oil at sea with bombs

The US Administration has granted to the companies & agrave; oil permission to do research in the Ocean using the air bomb method.

Low cost hydrogen from solar to concentration

A team of US and Swiss researchers has developed a solar system that can transform solar energy, water and CO2 into "fuel", just like plants do.

Global warming and energy demand

With the increase in temperatures the demand for electrical energy destined to air conditioning will increase

The mega solar plant of Morocco

The solar thermal power plant is about to start up; great in the world, which satisfies; the energy needs of about one million people.

The bright future of LHC

While the super accelerator is & quot; hibernate & quot; for winter rest, CERN scientists plan the next research phases as well as some important upgrades.

How long will oil reserves last?

Oil is not running out: a recent American study states. But are we sure it's good news?

The 2016 budget of investments in renewable energy

From the report of Bloomberg New Energy Finance: in 2016 global investments in renewable energy have been reduced. I am for & ograve; increased large plants, a sign that these technologies are more important; competitive.

The 2,000 km / h battery train

The Dutch Energy Train project envisions a very fast underground maglev to be used for current storage: it would be able to convert kinetic energy into electrical energy.

In California, solar becomes mandatory

A new standard recently launched in California makes it mandatory to install solar panels on all new construction houses: the figures show that it is convenient for the environment and also for the wallet.

In India the largest solar plant in the world

With 750 megawatts installed superer & agrave; almost double the American one. The Indian subcontinent relies heavily on renewables, also to offer energy to countries that are struggling to obtain it.

The Tesla solar roof has an infinite guarantee

Orders for the Solar Roof, the tiles with integrated solar panels, have been open since yesterday. Guarantee? For Elon Musk it is not a problem, they can survive the house and its inhabitants.

In South Africa, a solar energy airport

& Egrave; the first in a continent kissed by the Sun: at regime, produce; all the energy you need to work.

All the solar GW of the world

Total power of solar power plants installed worldwide, country by country.

How the space photovoltaic system works

The Japanese space agency has been working for years on an ambitious project for a photovoltaic power plant in orbit. Is not serious; madness and - indeed - the Japanese continue to make progress in developing the necessary technology. In the future solar energy could come from space: this is how.

Low cost hydrogen: it is possible but no one knows why

A team of Stanford researchers has developed a low-cost hydrogen production system. It works, but we still don't know based on what principle.

The most polluting energy sources in the world

From oil sands to dams built in Patagonia paradises, here are some of the most environmentally friendly energy plants built by man

Green energy from flying drones

Integrated wind and photovoltaic systems suspended 15,000 meters above the ground: this is the innovative idea of ​​a British start-up.

North Korea without light seen by the ISS

On January 30th the Space Station astronauts observed an unusual black hole: North Korea almost completely in the dark.

The Tesla Gigafactory and the future of the electric car

The large battery factory that Elon Musk is building in the Nevada desert could change the future of the electric car and the very concept of renewable energy. & Nbsp;

The rubber that generates energy

& Egrave; a new material produced by the Japanese Ricoh, capable of producing electricity when it is pulled or made to vibrate.

Pollution: the health effects of 8,000 coal-fired power plants in the world

Between low-quality coal and old plants, many power plants in the countries with more high rate of development should be closed immediately. But how would rich countries then have gadgets for everyone?

The smallest graphene bulb in the world

An international research team has invented a graphene-based chip that, in addition to generating light, paves the way for transparent displays and super-fast computers.

The radioactive cloud on the Urals now has a possible explanation

A new report sheds light on the mysterious peak of radioactivity recorded in Russia and most of Europe in late September, at levels not dangerous to health: it could be linked to poor management of spent nuclear fuel.

The wind turbines with owl wings, for quieter energy

A team from the University of Cambridge studied the flight of the owl and created a wing profile capable of capturing more wind energy without generating noise.

Lithium batteries that cannot explode

Stanford University has created an accumulator that shuts off before it overheats and then returns to work as soon as the temperature returns to normal.

The history of the radioactive cloud on Russia with questions and answers

The authorities of the country have confirmed a peak of radioactivity on the Urals in late September. From what & egrave; been caused? As far as you go he pushed? And above all: & egrave; dangerous?

The wind turbine imitates the hummingbird

Its shovels move in the form of & quot; 8 & quot; horizontal that cuts the air with the same efficiency as the small bird. Cos & igrave; wind thrust is optimized.

A membrane inspired by the lungs to extract energy from water

Get clean energy & egrave; as easy as ... breathing? A process that imitates gas exchange in the pulmonary alveoli & egrave; served, in the laboratory, to efficiently separate hydrogen and oxygen, in a reaction that sustains itself.

solutions and materials for a home that does not consume

A comfortable, self-sufficient home with a very low environmental impact is a possible dream, just apply the latest generation of eco housing technologies

Emissions can be turned into fuel

MIT scientists have discovered how to turn CO2 emissions into fuel for cars and airplanes, or even into raw materials for the industry.

Electric motor: climate benefits

An international study reveals that a possible transition to electric mobility could bring great benefits in terms of temperature, carbon dioxide emissions and energy consumption.

More secure photon nuclear?

A new process would allow electricity to be obtained directly from radioactive isotopes. Safer nuclear power?

Shrimp-based photovoltaic panels

& Egrave; the recipe proposed by a group of British researchers: they produced cells capable of converting light into electricity, using the molecules that make up the shell of crustaceans.

Italy's nuclear heritage: the 2019 open day in the power plants

Like museums, even nuclear power plants have their weekend open: the Open Gate 2019 & egrave; an opportunity to see how the dismantling works (and reopen an old discourse).

Because some European watches are 6 minutes late

A political dispute between Serbia and Kosovo has caused small current deviations in the shared electricity grid of the continent. With consequences on the accuracy of some digital watches.