From: Michael Lorrey (retroman@tpk.net)
Date: Fri Jul 18 1997 - 20:26:57 MDT
Damien Broderick wrote:
>
> At 08:13 PM 7/17/97 -0400, Mike Lorrey of spacedrive fame wrote:
>
> >How can a little kid (or an adult for that matter) sit on a perfectly
> >still playground swing, begin rocking back and forth, and within a
> >minute be wizzing back and forth to a pretty good height, without ever
> >touching the ground or other still grounded object?
>
> Michael, Michael! It's connected at the top. (Unlike the spaceship.)
>
That doesn't mean anything. As a pivot point it is merely a fulcrum if
reaction mass is expended, according to Newton's Third Law. Since the
rider on the swing is at a standstill, and has no way to push against
anything, how do they develop the significant levels of momentum they
do?
--
TANSTAAFL!!!
Michael Lorrey
------------------------------------------------------------
mailto:retroman@tpk.net Inventor of the Lorrey Drive
Agent Lorrey@ThePentagon.com
Silo_1013@ThePentagon.com http://www.tpk.net/~retroman/
Mikey's Animatronic Factory
My Own Nuclear Espionage Agency (MONEA)
MIKEYMAS(tm): The New Internet Holiday
Transhumans of New Hampshire (>HNH)
------------------------------------------------------------
#!/usr/local/bin/perl-0777---export-a-crypto-system-sig-RC4-3-lines-PERL
@k=unpack('C*',pack('H*',shift));for(@t=@s=0..255){$y=($k[$_%@k]+$s[$x=$_
]+$y)%256;&S}$x=$y=0;for(unpack('C*',<>)){$x++;$y=($s[$x%=256]+$y)%256;
&S;print pack(C,$_^=$s[($s[$x]+$s[$y])%256])}sub S{@s[$x,$y]=@s[$y,$x]}
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