More on black and white physics

Language Log has a very nice summary of the reasons why some holes are black, and some are white.

More like this

Spellcorrecting and adding publisher and ISBN to what I said on the linked-to blog:

As a student of a student of John Archibald Wheeler, whose death I mourned earlier this year, I could not help but notice this Australian novel of Science Fiction:

Striped Holes, by Damien Broderick, NY: Avon,
ISBN-13: 9780380753772
ISBN: 0380753774