[time-nuts] gravity, space and time

[Hal Murray]

> Conclusion: not feasible.

Actually, timing isn't the critical part.  Yet.  First you have to detect 
something.

If you have only one working detector, timing isn't very important.  If your 
detector doesn't tell you the direction, you can build a phased array antenna 
by putting several detectors around the earth.  With good clocks, you can 
work out the direction it came from.  The timing has to be good within a 
fraction of a wavelength.  Maybe less if you can live with reduced pointing 
accuracy.  (VLBI astronomers use hydrogen masers.)

In 1987, 3 neutrino observatories observed a supernova.
  http://en.wikipedia.org/wiki/SN1987A#Neutrino_emissions
But their timing is far from good enough to work out the direction.  (Their 
fundamental detector technology is slow.)

It might be possible to get a more sensitive system if you have a detector 
that is low cost so you can sprinkle many of them around around the Earth.  
With good clocks, phased array type math will give you antenna gain if you 
have enough compute power to search the whole sky.  (or know where you want 
to look)


-- 
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