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 ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A long time ago, in an era known as the not-too-distant past ...

Hearing someone across a crowded room can be close to impossible thanks to the way sound waves spread, but what if we could project audio with the same precision that we can project light? Researchers ...

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 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 ...