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  • Avatar for Peter Sloan
    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...

  • Avatar for Peter Sloan
    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...