The quest for ever more realistic sound reproduction seems set to move to a whole new level. Traditional microphones convert sound to electrical signals by measuring the deflections that sound ...

We've been following the quest for the world's best speakers for some time but remarkably, there's still room for improvement. A key issue that plagues proper sound reproduction (and thus its ...

You might think that visualizing music with lasers would be a complicated and difficult affair. In fact, it’s remarkably simple if you want it to be, and [byte_thrasher] shows us just how easy it can ...

The optical laser has grown to a $10 billion global technology market since it was invented in 1960, and has led to Nobel prizes for Art Ashkin for developing optical tweezing and Gerard Mourou and ...

The microsphere, levitated by the dual beam optical tweezer (green), is driven by the active optomechanical system (red) to generate nonlinear phonon lasers (coloured waves). Meanwhile, the injected ...

The inventor of the MP3 digital audio format has developed a laser microphone that eliminates mechanical interference. In a proof-of-concept device, the Rochester Institute of Technology's David ...

Mishkat Bhattacharya receives funding from the Office of Naval Research, United States Nick Vamivakas receives funding from the Office of Naval Research, United States. Most people are familiar with ...