[extropy-chat] Worldwide SOS system

[Brian Atkins]

Emlyn wrote:
> 
> Have a look at the res on Google Earth. You could make an SOS big
> enough to be seen, I think. Hmm, except in the wilderness bits, they
> are not such high res. But surely there are satelites up there working
> at high enough resolution for this?
> 

Also, isn't the refresh rate of remote area satellite data extremely slow? Last 
time I looked it seemed some areas were using imagery that was years out of date.
-- 
Brian Atkins
Singularity Institute for Artificial Intelligence
http://www.singinst.org/