spots

I'm reading the book "How the Universe got its Spots" by Janna Levin right now. Its an interesting read and she put forth an analogy I hadn't encountered before. She suggests, using General Relativity, that matter and gravity are similar to electricity and the electric field. Her analogy...

I'd like to visit one of those mystery spots that Randi mentions in this week's commentary, especially to see the illusion of water flowing uphill. A little while ago I came across a site that explains how this one works: http://www.sandlotscience.com/MysterySpots/MysterySpots.htm It also has...