That's where the ball bearing rolls off the base and
falls onto the lever that pops a dog biscuit into the
air, which is caught by one of the two puppies, which
turns around and farts at the pendulum, causing it to
swing back the other way.

R. Goldberg

On Tue, 26 Nov 2002 19:06:06 EST ChrisAtUpw@....... writes:
     OK, you set up your self levelling floating system. You then put a
Lehman on top with maybe a 2 kilo mass. Along comes a nice large slow
seismic wave and the boom goes to one side. In response, the platform
tilts over a bit in the same direction and so the mass never





That's where the ball bearing rolls off the base and
falls onto the lever that pops a dog biscuit into the
air, which is caught by one of the two puppies, which
turns around and farts at the pendulum, causing it to
swing back the other way.
 
R. Goldberg
 
On Tue, 26 Nov 2002 19:06:06 EST ChrisAtUpw@....... writes:
  =
  =20
  OK, you set up your self levelling floating system. You then put a Lehman=
 on=20
  top with maybe a 2 kilo mass. Along comes a nice large slow seismic wave =
and=20
  the boom goes to one side. In response, the platform tilts over a bit in =
the=20
  same direction and so the mass never re-centralises. No=20
  thanks.