I’ve been pondering a crack pot theory of mine that has been bothering me for quite some time. But before I spew what I have to say, let me just state, for the record, that I am not a distinguished physicists. I am not a theologian. I’m not even an elementary school teacher. Anyway, on to my theory.
I’ve always wondered why really huge things when they move, they seem slow from my perspective. Yet when I knock over a bottle, it happens so fast i can never catch in time to avoid spilling my Dr. Pepper all over my carpet. Also, when I’m watching some sort of animated bug movie, everything to them ( like the scene were those ants get run over by the kid with gum on his shoe) looks extremely slow. So, is time somehow related to size? It’s possible. I mean, who would of thought that time has a relation to speed. So, can time also depend on size?
Might this be a reason why its so hard to swat that damn fly on my desk? Does it see the rolled up newspaper coming towards him at an extremely slow speed? Or is all of this retarded because its all about perspective? I dont know. There is a high probability this has been disproven, so maybe just maybe, someone can explain to me why I cant swat that damn fly.
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3 Responses
Martin
April 23rd, 2007 at 6:28 am
1I believe the reason flies are so hard to swat is their high sensitivity to air pressure.The swing of whatever you are using forces the air forward and the fly detects the change in pressure and takes off a nano second before impact.
Their ability to take off in any direction also foils your efforts.If you move slowly to within a couple of inches you nearly always get them,so obviously they don’t rely on sight.If you have’nt the patience for that,a highly successful method is to use a long piece of elastic with a knot in the end.
You need to practice on small pieces of paper first to perfect your aim,but once mastered it is highly efficient.The combination of the speed of the strike coupled with the small surface area of the knot gives the fly little chance of escape.
Bunta Eve
October 20th, 2007 at 1:01 am
2you see… flies are really really really small… and with this smallness comes the really really really short distance of nerve connectors within them. So while your busying swinging your left show at them, they’re too busy thinking about where they’re going to fly next. occasionally they use this to play games with you, although in their tiny little brain they’ve played it a million times and can’t get enough of it.
so to sum it up.. short nerve distance between sensors and receptors to the brain and from brain to wings…
But, you’re probably thinking, well what about ants? and lady beetles? thing is, they didn’t evolve to keep highly sensitive receptors, to people swinging inanimate objects at them. thus ant is sensitive to chemicals and lady beetle is too busy picking up beetle juices to care
Chief
May 5th, 2008 at 4:35 pm
3Actually flies have special hairs that help them orient themselves in the world around them. Included are hairs directly? linked to the inputs to fly. these hairs respond to pressure of the air around them. as in the first answer. when “tripped” flight to “flee” is automatic. really want to get the fly. use a vacume cleaner. they can’t deal with suction.
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