When people are thinking of the future of space travel, an idea that floats around is a spaceship with a giant solar sail pushed along by a massive laser. Inspired by the concept but lacking a giant ...

March 20, 2010 Add as a preferred source on Google Add as a preferred source on Google If you've been sitting around all week wondering how you could combine smoke, speakers, and a love of novel ...

We’re fascinated by things with no moving parts or active components that work simply by virtue of the shape they contain — think waveguides and resonators for microwave radiation. A similarly ...