Using a newly devised technology, scientists can move small objects without touching them, meaning we're one step closer to Jedi being real.

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 ...

Helium leaks are hard to detect, since it is odorless, colorless, tasteless, and does not react with other chemical substances. In Applied Physics Letters, by AIP Publishing, researchers from Nanjing ...

Future wireless networks will need to process far more data across a wider range of frequencies than today’s systems. This ...

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