Underwater pendulums could calm waves and reduce coastal erosion

A system of upside-down pendulums tethered to the seafloor might considerably scale back the scale of waves, serving to restrict seaside erosion.

Waves that wear down beaches are sometimes stopped with partitions of rocks constructed parallel to the shore, however these massive constructions are intrusive and onerous to regulate or transfer, and so they can entice muddy water or disrupt marine habitats. Paolo Pezzutto on the Italian Nationwide Analysis Council, Institute of Marine Science and his colleagues constructed a prototype …