This month’s Hot Science-y Guy really sucks. Okay, James Dyson doesn’t suck, but his inventions sure as heck do. Just ask my friend, Bob, who recently purchased the Dyson Animal Model No. I-Don’t-Know−Exactly-but-It’s-a-Lovely-Shade-of-Purple. Oooh… a purple vacuum… And boy-oh-boy! I sure would like one of these bad boys for myself. And this time, when I say “bad boy”, I don’t mean that in my usual way (see previous “Sparky” references). I mean I really want one of Mr. Dyson’s vacuums! Vacuuming is something I really like doing in the way of household chores. There’s a lot of bang-for-your-buck with vacuuming.…