Your birthday party isn’t complete without the helium-induced squeak, but what does physics say? Discover how people think it works, how it really works, and many, many ways to get hurt while ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers working with a type of super-cooled helium have made the frigid stuff whistle, an ...

Submarines are pretty cool bits of kit. They can offer researchers an unrivaled view of the ocean floor, help search out missing wrecks beneath the waves and can even ferry about the rich and famous, ...

It’s now well-established that bats can develop a mental picture of their environment using echolocation. But we’re still figuring out what that means—how bats take the echoes of their own ...

Helium is used to change vocal pitch, showing how it alters sound waves during beatboxing.

A discovery that may someday help measure how clouds and earthquakes change Earth’s rotation has come from an experiment that made friction-free helium whistle. A discovery that may someday help ...

Karen Hopkin: Bats rely on echolocation to navigate the night skies and to chase down and capture even erratically moving prey. But even more impressive than their aerial acrobatics are the mental ...

Helium is famous for making balloons float, voices squeak, and as a critical resource for MRI machines and aerospace engineering. Helium is expensive and scarce, finding leaks quickly is essential, ...

THE velocity of sound in helium I and helium II has been determined by a method similar to that used by Pitt and Jackson 1. Standing waves were set up in the liquid between a vibrating quartz crystal ...