[TML] Noncanonical TU 3D.

[Anthony Jackson]

Timothy Little wrote:

> A laser is not required.  In fact it's probably counterproductive,
> since neither high photon energy nor high resolution are desired.

I meant radar, just mistyped. A gigawatt phased array of klystrons or 
something. In any case, it seems doable if you want to try really hard, 
and if the interstellar density of cometary bodies is within an order of 
magnitude of the oort cloud.