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A colleague of mine recently pointed me to this fantastic lecture by Richard Feynman (1918-1988) explaining his take on the scientific method.

What a treat it would have been to sit in on his lectures! And I confess to missing the old blackboard technology. Can't imagine him giving this lecture using Powerpoint, in particular.

Speaking of the cursed PPT presentation, ever wonder what Lincoln's Gettysburg Address may have looked like had he prepared his notes using Powerpoint? Take a look here.

Am off to look for that old box of chalk...