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 ...

Business

L.A. asks how to equitably achieve 100% clean energy by 2035

In 2021, after the LA100 analysis laid out pathways for the city of Los Angeles to produce 100% renewable electricity, the City Council and Los Angeles Department of Water and Power committed to pursuing the most ambitious—and ...

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