RE: The Extinction Challenge

From: Billy Brown (ewbrownv@mindspring.com)
Date: Wed Aug 04 1999 - 14:01:55 MDT


hal@finney.org [SMTP:hal@finney.org] wrote:
> I think there may be a math error here. The area of a sphere 1
light-year
> in diameter is is 4 pi r^2 or 10^33 square meters. If energy of 10^44
> ergs is spread out over that area it implies 10^11 ergs per square meter,
> not < 1 erg per square meter.

Yes, <wiping egg off of face> it appears that there is. I think I hit
'volume' instead of 'surface area' - that's what I get for being in a
hurry.

I'm going to go back and revisit the energy numbers (and the potential for
deadly effects), but it will have to wait until next week.

Billy Brown, MCSE+I
ewbrownv@mindspring.com



This archive was generated by hypermail 2.1.5 : Fri Nov 01 2002 - 15:04:39 MST