Published: 2002-11-03 16:25:09 +0000 UTC; Views: 333; Favourites: 0; Downloads: 12 Redirect to originalDescription
According to Heisenberg's uncertainty principle; it is impossible to know the exact position and momentum of a particle at the same time. It is also impossible to know the exact kinetic energy of a particle in a finite amount of time. The reason for the uncertainty principle has not only to do with errors in measurement, it's also a result of the dual character of matter as both wave function and particle. Big objects, such as hospitals and cruise missiles, consist of billions and billions of quantum particles, so the statistic probability to find such objects at a given location at a given time is very close to 100%. A very small particle on the other hand, such as a photon, can change it's location or momentum in a way which is impossible to calculate.
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