Physically, sound is just pressure moving through a medium. If you harness that pressure correctly, you can actually push things around using nothing but sound. That's exactly what researchers at ...

WASHINGTON, Dec. 16, 2025 — Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances. Not only can we not see or smell it, but ...

Linux users often hear phrases like “the terminal is faster” or “real Linux users don’t rely on the GUI.” While these statements are common in online communities, they rarely reflect how people ...

The SQUIRE project is taking quantum sensing into space, using advanced spin sensors aboard the China Space Station to search for mysterious exotic interactions that may reshape our understanding of ...

The AirPods Pro 3 use an Acoustic Seal Test to check the fit of ear tips, according to a new Apple support document. Apple says that the Acoustic Seal Test will ensure that you're using the proper ear ...

Bats are nocturnal hunters and use echolocation to orient themselves by emitting high-frequency ultrasonic sounds in rapid succession and evaluating the calls' reflections. Yet, they have retained a ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

Arduino Library for the SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 The SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 (Qwiic)is an ultra-small, fan-less air quality sensor for sensing ...

With the rapid development of digitization and the Internet of Things, higher requirements have been put forward for the portability, process structure, material cost, sensitivity, and durability of ...

Usually in the background in armored vehicles, using long-range cameras, now they are resorting to sound systems to warn migrants before they attempt to cross. And in Nogales, Ariz., thousands of ...