Upon this theory the whole science of music is based ... called Bym- pathy goes to establish the same fact. The waves of sound set in motion by a flute, cause the wires of a pianoforte, each ...
Ultrasound, like audible sounds, is transmitted by means of longitudinal waves. Ultrasound is used in medicine to break up kidney stones and gall stones. It is also used, in a process known as ...
For water waves and sound waves the unit hertz is usually good enough but radio and TV waves have such a high frequency that the kilohertz (\(kHz\)) or even the megahertz (\(MHz\)) are better units.
When these pulses intercept precipitation, part of the energy is scattered back to the radar. This concept is similar to hearing an echo. For example, when you shout into a well, the sound waves of ...
Whether it’s a budding plant, a new friendship, or a recent moment of wonder. The Greater Good Science Center studies the psychology, sociology, and neuroscience of well-being, and teaches skills that ...
Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor.