In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending ...

A team of researchers has engineered a groundbreaking optical device that mimics the physics of black holes and their ...

Standing waves are one of those topics that lots of people have a working knowledge of, but few seem to really grasp. A Ham radio operator will tell you all about the standing wave ratio (SWR ...

Offers new possibilities to control light across the spectrum and insight into light–matter interactions. The device, reported in Advanced Photonics, functions as an optical black hole or optical ...

Through experiments using echoes, beams of sound, and various setups, the film illustrates the principles of reflection, refraction, interference, and standing waves. It confirms that sound ...