Scientists Create Battery-Free Underwater Camera Powered by Sound
A group of scientists has developed a battery-free, wireless underwater camera that is powered by sound and is around 100,000 times more energy-efficient than other undersea cameras.
Explaining the Fascinating Photographic Trick that Lets You See Sound Waves
NPR just released a fascinating video that does a fantastic job of explaining something called Schlieren Flow Visualization or …
Commercial Features Water Drops Frozen With Sound and the Camera’s Frame Rate
Earlier this year, we shared a crazy example of how you can make water drops look like they're frozen in midair simply by passing the water over a speaker and using sound vibrations to sync the drops with the frame rate of your camera. Well, Japan's largest music channel, Space Shower TV, has taken the idea and turned it into clever commercial. What you see above is ordinary footage using this trick -- there's no fancy CGI trickery, reversal during post, or high-speed camera footage involved.