stekas@hou2g.UUCP (J.STEKAS) (08/16/85)
> In the past I've heard about some places in Michigan and Wisconsin > where one can experience some weird gravitational phenomenon. ... > The site is the side of a very small valley. A "platform" (originally > the site of a cabin) is built midway up the side. The peculiar thing > is that ... one cannot walk a straight line across the platform parallel > to the side of the hill. The problem is that the "pull" (here I will > not imply a cause) is *significantly* non-uniform. ... > Can anyone out there glean some > information on this site at Lake Delton regarding these anomalous > gravitational effects... or have I been taken in by a guy selling > "snake oil". > > Gary Take a plumb bob and protractor out on a clear night and see how much the gravitational field varies with respect to the "fixed stars" over the platform's surface. A little Newtonian mechanics and elementary geometry will tell you whether you found a black hole (and where it is) or just "snake oil". I will spare the net my own extremely biased opinion on how the experiment will turn out. Jim