In the past, demonstrations of standing-wave phenomena could be done using an actual, physical transmission-line setup called “Lecher Lines.” 1 This method required laborious measurements to determine ...

Lines of momentarily flat water extend outward and rotate, in the opposite direction to the flow of the vortex. The left video shows the pattern from the experiment, while the right video shows the ...

Wave-particle duality is a fundamental fact of the Universe. But we don’t see many objects moving around as waves. This is why it hurts when a golf ball hits you on the head: you and the golf ball are ...