"De Broglie postulated that in the case of matter waves the wave-particle connection is 'wavelength equals planck's constant divided by momentum':
l=h/p=h/(mv)
Planck's constant, h, is a fundamental constant of nature whose value equals 6.6x10^-34 Js. Using this we see that for an electron of mass around 10^-30 kg moving at a (typical) speed of 10^6 m/s, its wavelength comes out at about 6x10^-10 m, which is similar to that of typical x-rays. However, a grain of sand of mass about 10^-8 kg, moving at a speed of 1 mm/s has a wavength of only 10^-20 m, which renders its wave properties completely unobservable." - (Alastair I.M.Rae, Quantum Physics, p.37)

interesting stuff

look up the dual particle experiment on you tube i think its fred wolfe or something. from taking the quantum leap and down the rabbit hole. it was an actual experiment not just a theory on paper.

check her for penis.

yeah it was down the rabit hole that did stuff like this. Actually tested it, very interesting.