From: John Joyce Date: 2007-10-04T14:08:39+09:00 Subject: Re: A Must Read!!! On Oct 3, 2007, at 11:37 PM, M. Edward (Ed) Borasky wrote: > John Joyce wrote: >> On Oct 3, 2007, at 10:08 AM, M. Edward (Ed) Borasky wrote: >>> Michael Glaesemann wrote: >>>> On Oct 3, 2007, at 7:53 , Michael T. Richter wrote: >>>>> (I have similar questions about people acting as if functional >>>>> programming -- '50s -- were the New Deal.) >>>> Huh. I haven't seen many people claiming Roosevelt had much >>>> influence on computer science. >>>> Michael Glaesemann >>>> grzm seespotcode net >>> >>> Well ... he did fund the Manhattan Project, after all. Most of >>> the calculations for that, however, were done by rooms full of >>> men and women operating mechanical desk calculators, under the >>> direction of John Von Neumann and others. These men and women >>> were known as "computers", and in many cases had college degrees >>> in mathematics. >>> >>> The genius of Von Neumann was that he saw that such calculations >>> could be done faster, more accurately and with lower cost >>> electronically. But it didn't happen until *after* the Manhattan >>> Project was over and FDR was in his grave. >>> >> Slide Rule > Uh ... try integrating PDEs with a room full of people running > slide rules some time. :) > > The electronic equivalent of the slide rule, the analog computer, > was limited to a precision of at best five decimal digits, and > could integrate *ordinary* differential equations easily. But > partial differential equations are a whole 'nutha ball game. :) > Put a lot of stuff in space though! And pioneered through the RF and amplifier circuits. (think vacuum tubes/ valves, now that's some hardcore engineering!)