hmmm good point, and that is likely beyond the normal ship's capability
On Monday, February 10, 2014 6:22 AM, "" <> wrote:
>On 8 Feb 2014 at 5:39, wrote:
>
>> A second thought about ballistics. If a 3Dimager could make a
>> duplicate barrel of a handgun used in a armed robbery how would the
>> police use ballistics anymore to trace the handgun back, now to a
>> number of owners?, ouch.
>
>The barrels of guns straight from the factory are non-identical in
>the micro details of the rifling. And they wear differently. That's
>how they match buullets to barrels. By those microscopic differences.
>
>There's no reason that 3d printed barrels would be any more
>identical (and some reason to believe they'd be *less* identical).
>
>Once you get to the level of fabers/replicators, where each *atom* is
>placed individually then it might be a problem. but when you are
>building stuff to merely thousandth of an inch tolerances, they
>aren't going to be all that identical. Interchangeable parts, yes.
>Identical parts, no.
>
>--
>Leonard Erickson (aka shadow)
>shadow at shadowgard dot com
>
>
>
>
>
On Monday, February 10, 2014 6:22 AM, "" <> wrote:
>On 8 Feb 2014 at 5:39, wrote:
>
>> A second thought about ballistics. If a 3Dimager could make a
>> duplicate barrel of a handgun used in a armed robbery how would the
>> police use ballistics anymore to trace the handgun back, now to a
>> number of owners?, ouch.
>
>The barrels of guns straight from the factory are non-identical in
>the micro details of the rifling. And they wear differently. That's
>how they match buullets to barrels. By those microscopic differences.
>
>There's no reason that 3d printed barrels would be any more
>identical (and some reason to believe they'd be *less* identical).
>
>Once you get to the level of fabers/replicators, where each *atom* is
>placed individually then it might be a problem. but when you are
>building stuff to merely thousandth of an inch tolerances, they
>aren't going to be all that identical. Interchangeable parts, yes.
>Identical parts, no.
>
>--
>Leonard Erickson (aka shadow)
>shadow at shadowgard dot com
>
>
>
>
>