Aliens need a lot motime to find us

On Jan 24, 2007, at 03:00 UTC, Douglas May wrote:

> Also there may be thousands or even
> millions of tiny black holes scattered around our galaxy. These would
> mostly be quite small and would have very little gravitational impact
> until you passed within a few hundred miles of them. Of course, being
> black they would be invisible, but there effect on nearby light and
> other objects could be detectable. There probably is a tiny black
> hole somewhere within 3 or 4 stars of Earth

Though the smaller a black hole is, the faster it evaporates. So I'm
not sure how tiny a black hole could be, and still stick around long
enough for us to find it. Anybody know?

Best,
- Joe

Joe Strout -- joe@...