The new pump has no moving parts. “Instead, it relies on thermoacoustics, the interaction between sound waves and heat, to move thermal energy,” Interesting Engineering writes. The pump uses that ...

Is Your Generator Too Loud? Here’s How You Can Measure Decibels and Reduce the Noise.

It's pretty remarkable stuff; NREL proposes wall-shaped and snake-shaped designs for wave energy capture, as well as a heavy ball inside a balloon filled with gridded elastic generators, which could ...