Piezoelectricitysounds like a lot to take in, but it’ssimple to understand. The word piezoelectric originates from the Greek word piezein, which literally means to squeeze or press. Instead of squeezing grapes to make wine, we’re squeezing crystals to make an electric current! Piezoelectricity...
To carve such fine details, you'd need small, sharp, precise tools smaller than the patterns you wanted to make. If all you had were a sledgehammer and a spade, carving intricate furniture would be impossible. The basic rule is that the tools you use have to be smaller than the things...
Here's how it all comes together to make a copy: For the photocopier to work its magic, the surface of the photoconductive material must first be coated with a layer of positively charged ions by the corona wire. When you hit the Start button, a strong lamp moves across the inside of ...
(waves of pressure traveling through the air) into electrical energy—and that's something piezoelectric crystals can help us with. Simply stick the vibrating part of the microphone to a crystal and, as pressure waves from your voice arrive, they'll make the crystal move back and forth, ...
Before using any piezoelectric crystal to realize acoustic devices (sensors, transducers, actuators or ultra-stable resonators) and beyond its mechanical properties, the crystal material itself has to be characterized. Whether the very interesting properties of the LGT crystal make it the best candidate...
Piezoelectric Quartz Quartz crystal has a very useful property called piezoelectricity. When an electric current is applied to a quartz crystal, the crystal bends. When the crystal snaps back, it releases a little jolt of electricity. How quickly the quartz crystal bends back depends on its size...
‘Now, we all know that it’s easy to make fun of things and have a bit of a laugh, but we will never learn anything with that sort of approach, so I would like you all to take what is to follow seriously so that we may benefit from the experience.’ A frisson ran round the ...
What determines the energy of the x-rays produced is the amount of voltage present on the anode. It’s quite simple actually; more voltage means more electron attraction, and more attraction results in a faster electron beam. Faster electrons are able to make higher energy photons, and thus ...
Even though counting steps through spring-suspended horizontal lever arms and piezoelectric crystals might seem super complicated, it’s not that difficult. Basically, a pedometer will measure your steps by using your body swings from side to side as you walk. ...
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