Hear Ye! - An Online Journal
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2
Jul 09
Thu

Today's Quicklinks

28
Jun 09
Sun

Today's Quicklinks

The Train Problem

What keeps train wheels on a track? When a train rounds a bend, the outer wheels have to travel a further distance than the inner wheels, and therefore the outer wheels have to spin at a quicker rate to cover that distance than the inner wheels cover. The problem is that pairs of wheels on a train are connected by a solid metal axle, so the wheels can't spin at different rates. So, how does it work?

Richard Feynman explains.
 10:10am     Comment    Science/Technology
25
Jun 09
Thu

Too soon?

Some Michael Jackson humour: CSI's take on it. Oh, Wikipedia.... This isn't funny, but its ironic.
 11:21pm     Comment    Music


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