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  • Peter Sloan
    September 28, 2016

    Visualizing the quantum expansion of an electron

    Today my atomic manipulation group at Bath, in collaboration with the University of Birmingham, have published a nice article in Nature Communications: "Initiating and imaging the coherent surface dynamics of charge carriers in real space." Below is a copy of the...

  • Peter Sloan
    April 15, 2016

    Twin Paradox*

    Here I wish to play a bit with the "Twin Paradox" of Special Relativity. [*note, it ain't a paradox]. For this you'll need to be happy with (1) time-dilation, (2) length-contraction, (3) Lorentz velocity transforms and (4) straight lines. I...