Re: Missile Defence, the live version

[der Mouse <mouse () rodents montreal qc ca>]

> But [a laser is] interesting because [the emitted photos are]
> *parallel*, and thus all the energy is deposited in one place.

Well, that's one of the things that makes lasers interesting.

> There's very few uses of lasers where the "in phase" actually matters
> (their use in polishing large astronomical mirrors comes to mind, but
> nothing else does.  Maybe some photomicrolithography applications...

Doesn't holography depend on it too?  Or is that all about photons
interfering with themselves?

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