It is mind boggling, but it isn't new. The article is saying that these researchers were able to confirm the 5% estimate with a direct measurement. Here's a bo

It is mind boggling, but it isn't new. The article is saying that these researchers were able to confirm the 5% estimate with a direct measurement. Here's a book from 2011 on the subject: http://www.amazon.com/The-Percent-Universe-Discover-Reality/dp/0547577575 http://www.amazon.com/The-Percent-Universe-Discover-Reality/...