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James Clerk Maxwell 1831-1879.

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Presentation on theme: "James Clerk Maxwell 1831-1879."— Presentation transcript:

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13 James Clerk Maxwell 1831-1879

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21 The Bohr Model of the Atom

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23 The New Model of the Atom

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25 The Scale of the New Internal Space Comparing Sizes  Assuming you weigh about 150 lbs, you are about 4 x 10 28 or  40000000000000000000000000000 times heavier than a proton.  Assuming you have a radius of about 0.5 meters you are about 4 x 10 14 or 400000000000000 times larger than a proton.

26 If you were a proton, the electron, the size of a pea, would be about 21,160 meters or 13.1 miles away.

27 The electron 13.1 miles away would be about the size of a pea.  It would exert an electrical attraction of about 7,370,000 lbs. on you. (This is scaled by size not weight so it is a conservative estimate.)  The gravitational pull would be only 3.3 x 10-33 lbs.

28 If you were the Sun, the entire Solar system would fit in a 2.65 mile radius. The Earth would be 1mm, 100 yards away. Jupiter would be 1cm 600 yards away.

29  If you were a proton in a nucleus with other protons you would be about 1.6 meter or 5.2 feet away, about two chairs over.  You would be repelled by electrical forces from this other proton with a force of 1.25 x 10 15 lbs or  1,250,000,000,000,000 lbs. !!!!  The actual force between two protons is 3.2 lbs!

30 If you were to give off a gamma ray, you would release 1.1 x 10 21 Ev, which is 176 watts/sec or 129 ft.-lbs. A beta particle would release you would release 3.96 x 10 21 Ev, which is 633 watts/sec or 464 ft.-lbs. The Energy stored in the Nucleus is almost unimaginable

31 Your electron would appear and disappear in different places near the 13 mile radius.

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43 The Uncertainty Principle Werner Heisenberg 1925  It is impossible to simultaneously determine the exact position and momentum of any piece of matter. If we know where it is, we can’t measure where it is going, and vice versa.

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48 The Probability Cloud

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50 Double Slit with Particles

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54 Double Slit with Waves

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56 Particles vs. Waves

57 Double Slit with Electrons

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60 Adding an Observer

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62 Double slit with an observer. The electron acts like a particle.

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66 Shrödinger’s Cat

67 A superposition of cat states


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