Researchers at Duke University have developed a cloak made of perforated plastic sheets that successfully dampen sound. The cloak is designed to prevent sound from traveling forward by guiding the sound waves through hol...

Metamaterials make it possible to bend light in a way that coul...  ...plications for such a material but until now most metamaterials were not able to be created big enough for any gr...  ...and purpose. However with the advent of printable metamaterials we may soon have in...