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What Every Dog Should Know
  About Quantum Physics
                    
          xp 
                   2          I like
                              cheese




     Chad Orzel
     http://dogphysics.com/
~20 Nobel Prizes
For quantum pioneers
Schrödinger’s Dog
Dear DogPhysics:
       I heard that quantum
physics says particles behave
like waves. Does this mean I
have wave nature?
http://www.flickr.com/photos/31514171@N00/161879717/
Peak + Peak = Bigger Peak


            =




Peak + Valley = Nothing


              =
Double Slit
Pattern depends on distance from slits




Get alternating pattern of “bright” and “dark” stripes
Electron Experiment
Send electrons at two slits in a barrier:




              Image and video from Hitachi:
              http://www.hitachi.com/rd/research/em/doubleslit.html
http://commons.wikimedia.org/wiki/
File:Fullerene-C60.png




                                     Fig. 7 in the paper, "Quantum interference experiments with large molecules,"
                                     by Nairz, Arndt, and Zeilinger (Am. J. Phys 71, 319 (2003)).
Dear DogPhysics:
       I heard that quantum
physics says particles behave
like waves. Does this mean I
have wave nature?

        Can I use my wave
nature to help me catch bunnies
and squirrels?
http://www.fotopedia.com/en/Solar_System
Dear DogPhysics:
         I heard that quantum
physics says particles can pass
right through obstacles as if
they weren’t there. Can I use
this to get through the fence to
the yard next door?
Probability
          Ground




Height
Temperature Needed for Fusion: 15,000,000,000 K
+

        +
                    Temperature of the Sun: 10,000,000 K
            n
+




+
    n
                +
            n n
             +

+
    n
Dear DogPhysics:
         I heard that quantum
physics says particles can pass
right through obstacles as if
they weren’t there. Can I use
this to get through the fence to
the yard next door?


        So, I should just dig
a hole under the fence, then?
Dear DogPhysics:
       I heard that quantum
physics says cats are both alive
and dead at the same time. I’ve
always known they were
undead zombie monsters! Now
my humans will have to believe
me!
Electron Experiment
Send electrons at two slits in a barrier:




              Image and video from Hitachi:
              http://www.hitachi.com/rd/research/em/doubleslit.html
http://www.andrew.cmu.edu/user/jgeist/omg/ZombieCat.jpg
Dear DogPhysics:
        I am a retired quantum
physicist, and I have discovered an
ingenious quantum technique that
is worth one hundred billion dollars
($100,000,000,000). I will happily
give you 50% of this if you will
provide me with access to your
bank accounts…
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics
What Every Dog Should Know About Quantum Physics

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What Every Dog Should Know About Quantum Physics