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Atoms are 99.999999...% empty space!
On 12/10/2017 18:32, Davoud wrote:
Bill Gill: That's if you assume that electrons and nuclei are solid objects. In reality they are ripples in fields which completely fill the space they occupy (and quite a bit of the space around the atoms). ³I want to emphasize that light comes in this form‹particles. It is very important to know that light behaves like particles, especially for those of you have gone to school, where you probably learned something about light behaving like waves. IŒm telling you the way it *does* behave‹like particles.² ‹Richard Feynman in "QED: The Strange Theory of Light and Matter." (Emphasis his.) The trouble with that is that even things we think of as particles can behave as waves when it suits them (when the experiment asks the right question). Wave particle duality describes this odd behaviour. Quantum mechanics is strange - things behave like a wave to decide where to go (approximately along the path of least time) and then like a particle when they get there to deliver a quantum of energy. Electrons, silver atoms and even buckeyballs will obey diffraction in the Young's slit experiment once you make the slits small enough. They have pushed the size up a bit since I last looked too: https://en.wikipedia.org/wiki/Wave%E...ar ge_objects They can show diffraction of molecules up to about 10000 amu now. -- Regards, Martin Brown |
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