Recent content by Papa Doyle

First, not all blades are concave. All speedskates in the world are flat across the bottom of the blade with the edges making exact 90-degree angles. And long blades like speedskates are narrower than hockey for figure skates. Also, speedskates are rockered all the way from the toe to the...

The mass of a black hole is proportional to the area (not diameter) of the event horizon. Every time anything falls into a black hole the event horizon gets bigger. Those two things should sort out the mystery. Also, it does not seem necessary to invoke Pauli to consider these questions...

..nothing substantive here except to compliment Simon on the generous answer. Particular genius in the "repelling a force" argument and the parallels drawn with centrifugal force; so easy to just give the short answer. Highest regards to you.

I registered just to make that point -- never felt compelled to register for these forums in the several years I've been visiting. Thank you drvrm whomever you are. I think I'd like you even if you smelled bad.

What a lovely discussion. Usually there is someone asking about something. But, because the person wants information, as opposed to already having it, the question asker often uses an improper term or makes a cognitive error about something considered obvious to those who know the subject a...