Don't get me wrong. I love speculation. Speculation drives science, and I don't think any interesting scientific idea can ever be conclusively "proven". Just, w

Don't get me wrong. I love speculation. Speculation drives science, and I don't think any interesting scientific idea can ever be conclusively "proven". Just, what's this article doing in SciAm? For an idea to get into SciAm is a big score because the idea has matured and seems significant. This one just sounds like something a couple guys would kick around over a beer without really knowing much about the topic. See my comments elsewhere on this page for specific, well-known problems that the article doesn't address.