- Black Hole Firewalls Confound Theoretical Physicists: Scientific American http://www.scientificamerican.com/article.cfm?id=black-hole-firewalls-confound-theoretical-physicists 4 comments space
- Black Hole Firewalls Confound Theoretical Physicists: Scientific American http://www.scientificamerican.com/article.cfm?id=black-hole-firewalls-confound-theoretical-physicists 7 comments science