🚀 go-pugleaf

In article <6220003@hpcupt1.HP.COM> dclaar@hpcupt1.HP.COM (Doug Claar) writes:
>This is probably a naive question, but how do you aim a laser beam? (I know,
>very carefully!). But seriously, are there non-mechanical methods to aim
>a beam, or must I rely on moving mirrors around? What do things like
>handheld laser barcode scanners and heads-up displays do? Are they
>mechanical??

It is possible to deflect lasers (etc.) non-mechanically.  However, it is
a colossal pain to do, and substantial deflections are difficult.  As far
as I know, all "real" systems except perhaps some fancy military things
use mechanical deflection.
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Mars can wait:  we've barely   |     Henry Spencer at U of Toronto Zoology
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