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

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

The key insight behind the device is that sound travels at different speeds in different gases. In helium, sound moves much ...

[Benn Jordan] had an idea. He’d heard of motion amplification technology, where cameras are used to capture tiny vibrations in machinery and then visually amplify it for engineering analysis. This is ...

Forward-looking: Researchers at the Beijing Institute of Technology have developed a microphone that doesn't detect air vibrations like traditional models. Instead, it captures light reflected from ...