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quote:Originally posted by MayoFlyFarmerwow neil, what kind of music inspired THIS one??!!Are YOUR mice nude? 
quote:is your head spinning faster than the speed of light?
quote:Originally posted by realityengineerWhere did you hear about the positive negative mass interactions?
quote:Originally posted by gsmollinTime is a very peculiar dimension, is it not? Einstein formalized this in the special theory of relativity. His four-dimensional world space is defined as x, y, z, and -ict.
quote:Originally posted by MayoFlyFarmer oooooo....... fun  Are YOUR mice nude? 
quote:Originally posted by gsmollinI failed in tunneling my fist through a couple of pieces of lumber.
quote:Originally posted by IAmAII once wondered whether 'now' exists. Consider our perception of ‘now’... In order to perceive anything and take action on (process) anything, we have sense the universe with our senses and store it in our brain. Just like fossils, our brain contains a representation of the past. Therefore, it could be considered that any experience is the past (though minutely so).
I won't even touch the physics involved with time and "now". Its beyond me. But even in biology, there is not exactly an agreed upon "now." Some brain scan experiments show that when a person performs of action, the persons brain has already sent the message to do it before the person is consciously aware of having even made a decision. ( This really creeps me out, as it sort of messes with the idea of free will as well) Another odd biological thing related to "now" has to do with perception in tall and short people. The nervous system has to correlate sensation in time. If I touch your cheek and foot simultaniously, your brain needs to register both sensations as happening at the same time, even though it takes longer for the nerve impulse to get from your foot to your brain than from your cheek to your brain. There is a slight delay in the nerve transmission from the cheek, so they arrive at the same time. This delay is less in shorter people than in tall ones, and in this respect shorter athletes have an advantage over taller ones, since they perceive events as happening slightly sooner than tall people. Since nerve transmissions travel pretty fast, you wouldnt think the difference would be that significant, but it as much as a tenth of a second, which if you are judging the speed and position of a fast ball, might matter.