Nearly half a century ago, the US Department of Defense started working on a project to pinpoint locations on the surface of the planet thanks to satellites. What is now known as GPS has since come a ...

These sound waves were then picked up by a receiver as a binary pattern with 1 being reflected sound waves and 0 being unreflected sound waves. This binary signal allows the UBL system to carry ...

(Nanowerk News) Researchers at ARCNL have found a way to detect nanostructures buried under many layers of opaque material, using very high frequency sound waves induced by light. Their findings are ...