LOL! Tonsure...I'm unsure ;-)
Besides the hair...my dad is probably still stronger than I am and he turns 78 on Friday!
That's a good point about hair. I was at the Barbers' yesterday and the barber (who is bald) was commenting about the various amount of hair in his family. For some reason though, barbers always seem to be bald.
Sean...a video walk around my house! Next I'll have folks telling me the direction and length I should be cutting my lawn!!! 
Valid point though...perhaps some time in the future....
Of course. We expect you to measure the grass with millimeter accuracy. And you could use some multimeters to find out how grass length affects the power consumption of the lawnmower

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This is the internet after all

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