Engineering

Eliminating low-frequency noise using a chiral metabeam

The soft whirring sound of low-frequency vibrations cannot be easily detected because it is not loud. But once detected, it can be hard to ignore. Often, residents complain of the annoyance caused by low-frequency vibrations ...

Engineering

Building the future with self-healing concrete and biocement

After water, concrete is the most widely used substance on Earth. With applications from housing and industry to coastal defense and infrastructure, concrete and cement are at the cornerstone of life, quite literally.

Engineering

Expert: Roads need to be 'smart.' Here's why.

Constant construction on your vacation route, jarring potholes during the winter and bridge collapses will continue until roads are "smart enough" to better prevent their own damage, says a Purdue University civil engineer.

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