Recent content by David Elm

The parallel universe part of your idea doesn't seem to hold water. If gravity was acting in more than 3 dimensions, then it would spread out faster than it currently does (1/r^2). I think this has been well measured and precluded. On the other hand, I've seen some papers in the ArXive...

My guess is that the original reason for rationalizing the denominator is that the long division to find the decimal answer would be easier to calculate. 2 into 1.41... is easier than 1.41... into 1.00 I bet the tradition has persisted on its own inertia in relative ignorance of the reason for...