Standing waves are one of those topics that lots of people have a working knowledge of, but few seem to really grasp. A Ham radio operator will tell you all about the standing wave ratio (SWR ...
Mysterious fast radio bursts, or millisecond-long bright flashes of radio waves from space, have intrigued astronomers since the first detection of the phenomenon in 2007. The enigmatic signals ...
The source of the fast radio bursts (FRBs) -- sudden flashes of radio waves that last just milliseconds -- has previously been linked to young, magnetized neutron stars that expend a lot of energy ...
So, instead of using ultrasound, radio waves are used as they travel at 300,000,000 m/s. It works in the same way as sonar but with radio waves in place of ultrasound. A short pulse of radio waves ...