News tagged with energy models

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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