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The flicker at 68 does seem weird. Lot of studies done when cinema (movies, that is) were being developed and they settled on 24 fps with each frame shown twice to eliminate flicker. But fluorescent lights seem to have a different 'bent'. If you look through plate glass, at night, at a display window lit by fluorescent bulbs and hum at just the right frequency, strange effects occur. Humming at multiples of 60 cycles is necessary. Bring a tuning fork. As far as voltage, frequency, and rigor mortis, i.e. death, it takes - from what I've read - only 75 milliamperes (0.075 amps for the decimally challenged) to initiate coronary fibrillation which shortly leads to short of breath, like death. Have wondered for years how this data was collected. Where did they get the volunteers? It should be noted that 1.5 volts can supply 75 milliamperes through a low enough resistance like the blood stream. Anybody know the resistance of blood per foot? Art
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