When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...

Heat is not supposed to behave like this. In everyday life, warmth seeps and diffuses, spreading from hot to cold in a slow, smearing process that never looks anything like a crisp sound wave. Yet ...

Abstract: Wireless cross-medium communication between underwater sensors and the outside world is a critical problem for marine exploitation. The sound-millimeter wave (mmWave)-based cross-medium ...

Scientists from the Polytechnic Institute of Novgorod State University, together with colleagues from a number of Chinese ...

Abstract: A globally constant sound speed of 1540 m/s is often assumed when beamforming ultrasound images, despite variations in tissue properties that lead to heterogeneous sound speeds. As a result, ...

Sleigh bells have long acted as convenient shorthand for composers to tell their listeners that this piece belongs to the ...

Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances.

To be eligible for JEE Advanced 2026, candidates must rank among the top 2.5 lakh students in JEE Main 2026, satisfy the age ...

To be eligible for JEE Advanced 2026, candidates must rank among the top 2.5 lakh students in JEE Main 2026, satisfy the age criteria. Additionally, candidates must have appeared for their Class 12 ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

“Assistive listening technologies or devices help individuals hear better in difficult listening situations,” says Kristina Snouffer, a senior clinical audiologist at University Hospitals Cleveland ...