My wife, Marie, and I recently returned from a week vacationing on Block Island. Access to the island is by ferryboat from Point Judith, Rhode Island. Marie has a special relationship with Block ...

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Researchers describe an acoustic meta-surface that uses pingpong balls, with small holes punctured in each, as Helmholtz resonators to create inexpensive but effective low-frequency sound insulation.

Long-term exposure to low-frequency noise can cause numerous health problems, but the solution may be found in an unexpected object, a pingpong ball. Conventionally thought of as the hollow plastic ...