Although the sensitivity and performance of microphones has improved quite a bit since Alexander Graham Bell first patented them, they still have one big drawback that researchers from Carnegie Mellon ...

Researchers at Carnegie Mellon University have presented some remarkable audio from a new optical microphone system that uses cameras to see and reconstruct sonic vibrations. Remarkably, it can ...

Optical instruments are how we see the world, from corrective eyewear to medical endoscopes to cell phone cameras to orbiting telescopes. This course extends what you have learned about first-order, ...