News tagged with energy

Do dark matter and dark energy exist?

Researchers have hypothesized that the universe contains "dark matter." They have also posited the existence of "dark energy." These two hypotheses account for the movement of stars in galaxies and for the accelerating expansion ...

dateNov 22, 2017 in Astronomy
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Towards better understanding of railway ballast

SNCF engineers have been using mathematical models for many years to simulate the dynamic behavior of railways. These models have not been able to take into account large portions of the track have been extremely limited ...

dateNov 22, 2017 in Engineering
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Reusing waste energy with 2-D electron gas

More than 60 percent of the energy produced by fossil fuels is lost as heat. Thermoelectric energy conversion has attracted much attention as a way to convert waste heat from power plants, factories and cars into electricity. ...

dateNov 20, 2017 in General Physics
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Physics forecasts for fracking and fuels

Society's demand for energy relies mainly on oil and gas, which are finite resources. Future technologies could reduce the consumption of energy, but until then, existing resources must be carefully managed. Director of the ...

dateNov 20, 2017 in General Physics
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Renaissance of the iron-air battery

Iron-air batteries promise a higher energy density than present-day lithium-ion batteries. Their main constituent, iron, is an abundant and cheap material. Scientists from Forschungszentrum Jülich are pursuing research into ...

dateNov 17, 2017 in Energy & Green Tech
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