[Noisebridge-discuss] x-ray machine
Tony Longshanks LeTigre
anthonyletigre at gmail.com
Fri Mar 15 17:14:57 UTC 2013
Whoa. At the Lab (which just blew up, unfortunately) I had a bunch of this
light blue special x-ray paper or film for developing x-ray images on. It
was pretty. If I get any of it back I'll give it to you.
On Fri, Mar 15, 2013 at 10:09 AM, Jake <jake at spaz.org> wrote:
> miloh is right. when the electricity stops flowing it stops xraying, like
> a microwave oven. its exposure timer maxes out at 5 seconds.
> also, we don't need to phear its invisible emanations. we can use geiger
> counters to check if it is somehow spraying xrays through its lead casing
> in the wrong direction.
> 1mm thick lead will stop 99.99% of its rays. (nothing stops 100%)
> On Fri, 15 Mar 2013, miloh wrote:
> On Fri, Mar 15, 2013 at 8:12 AM, Jonathan Lassoff <jof at thejof.com> wrote:
>>> That is just scary to have. All potential hackers should get a talking
>>> to about the history of Therac 25 before beginning. :p
>>> Does it still have an active x-ray source?
>> It's a 'bulb'. No source, just conversion of energy. But don't take
>> my word for it, "you people will believe anything" jake might have
>> something to add.
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