Acoustic metamaterials can manipulate and control sound waves in ways that are not possible in conventional materials. Metamaterials with zero, or even negative, refractive index for sound offer new ...

Magnets have mysterious powers – now shown to influence heat and sound. Magnet image via www.shutterstock.com. Sound is carried by periodic vibrations of atoms in gases, liquids and solids. When we ...

Richard loves technology, namely Android flagships, as well as depreciated German cars that can be picked up for next to nothing on Craigslist. In other words, he enjoys throwing money away. Send him ...