No. 99: May-Jun 1995
In reply to a query, the New Scientist received a delightful assortment of replies related to "magnetic vortices" and other places where gravity seems to be reversed. At such places, car drivers can stop, put the car in neutral, release the brakes, and the car will seem to roll uphill. Some of the spots mentioned were:
At some of these spots, surveying instruments have been brought in, and without exception the reversal of gravity has been shown to be illusory. Sorry folks, there are no magnetic vortices!
(Various; "Sloping Off," New Scientist, p. 85, February 25, 1995)