This supersonic jet, the F-14 Tomcat, can create a cloud. Check out this footage of the jet ripping through the sky, leaving a trail of vapor. What you’re witnessing are the effects of the Prandtl–Glauert Singularity.
In the 1930s, scientists were baffled by liquid helium, which, at extremely low temperatures, exhibited strange behaviors. Learn more about this amazing superfluid by watching this short video clip from […]