News tagged with modelling

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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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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2017 hurricanes and aerosols simulation

Tracking the aerosols carried on the winds let scientists see the currents in our atmosphere. This visualization follows sea salt, dust, and smoke from July 31 to November 1, 2017, to reveal how these particles are transported ...

dateNov 22, 2017 in Earth Sciences
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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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