The opposite is also true: if you apply a voltage to a piece of quartz, it vibrates at a precise frequency (it shakes an exact number of times each second).Photo: Maybe you have a decorative, violet-colored amethyst crystal like this in your home? It's a type of quartz that gets ...
With sonic toothbrushes, the entire brush head vibrates very quickly—and the manufacturers claim this produces a different type of cleaning action that makes them more effective. According to the marketing spiel, because a sonic toothbrush buzzes over your teeth at much higher speed than a normal...
But you can damage the larger diaphragm or tube (if it has one), by recording a source that's too loud or dropping it. The transducer works by allowing the diaphragm to vibrate closer and further from a charged metal plate, and this plate is why condenser mics need Phantom power or som...
Charles Williams's Anti-Modernist Descent into Hell IN THE NINETEENTH CENTURY ESSAY "SELF RELIANCE," Ralph Waldo Emerson exhorts his audience, "Trust thyself: every heart vibrates to that iron string. [...] Do not spill thy soul: do not all descend; keep thy state; stay at home in thin...
(Michael Imperioli) into a confession to his wife (Uma Thurman.) Adapting the structure of the Russell Banks source novel (Foregone) to film is a heavy lift, though Gere turns in an impressive performance. Set in the slightly alternate universe that vibrates into being whenever Americans set...
The sound source, say, a loudspeaker vibrates which starts to push the air molecules at its surface and these air molecule guys push the next air molecule guys and so on for as long as they have enough energy left - pushing air molecules around is hard work and they don't get paid ...
A typical record player has a stylus (similar to the needle in Edison's machine) that bumps up and down in the groove of a vinyl (plastic) disc. The stylus is a tiny crystal of sapphire or diamond mounted at the very end of a lightweight metal bar. As the crystal vibrates in the...