Hi Tech & Innovation

Fractal-based metamaterial improves sound fields in car cabins

Car enthusiasts will pay hundreds of dollars for stereo systems that will improve the sound quality in their cars. However, the inherent directionality of speakers and complex shapes of car cabins can exacerbate sound disparities ...

Automotive

Metros cut car use in European cities, but trams fall short

People drive significantly less in European cities with a metro system than in cities that only have trams or no rail-based public transport at all. This is shown by a new study from the Complexity Science Hub (CSH), published ...

Engineering

Composite metal foam could lead to safer hazmat transportation

A new study finds that composite metal foam (CMF) can withstand tremendous force—enough to punch a hole in a railroad tank car—at much lower weight than solid steel. The finding raises the possibility of creating a safer ...

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