On Tue, 14 Feb 95 18:51:35 CST Alistair Bell said: >Have you noticed in winter, when the van is somewhat warm, when you turn a >corner or brake hard you can feel a slosh of cold air on the back of your >neck? I imagine that behind me, there is a layer of warm air sitting on >top of a bigger layer of cold air, and when the van changes direction, the >big base layer of cold air slops around abit. >Not an earthshaking observation, but one that reminds you how much air >behaves like a liquid. want to have some more fun? :) get a couple of small-to-medium sized helium-filled balloons and turn them loose inside the bus, THEN go rounding the corners. and also try some quick stops. <recommend that you do this in a big empty parking lot ... so your fascination doesn't lead to a fender- bender!> >Alistair, recently fascinated by fluid dynamics after Rain-Xing his >windshield and watching those mercury-like blobs of water scoot across, Bell ah, well ... there are those what are easily fascinated. ;) be a bit wary of those blobs, however. i found that Rain-x tricked my eyes into thinking that i was going slower than i actually was (or alternately: that it wasn't raining as hard as it really was). so i wound up having to brake harder than i thought i should. (and then there are those what are easily tricked ... ) ;) joel
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