| Alistair 2007-09-27, 6:55 pm |
| On 27 Sep, 04:05, Robert <n...@e.mail> wrote:
> On Wed, 26 Sep 2007 11:58:36 -0700, Alistair <alist...@ld50macca.demon.co.uk> wrote:
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> It's almost impossible to avoid electricity. In the old days, electricity was considered
> fire, closing or opening a switch was the same as starting or extinguishing a fire
> (they're not allowed to extinguish fires either). In those days, electricity that didn't
> throw visible sparks or get hot was ok. For example, incandescent bulbs were out, but LEDs
> were ok.
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> After someone, probably a physicist, explained the fundamental difference between
> electricity and fire, they changed the reason from fire to construction. Closing a switch
> was building a circuit; opening a switch was deconstructing a circuit (they're not allowed
> to tear things down either). After the change, LEDs and semiconductor gates were forbidden
> switches. Computers, including embedded processors in security cameras and motion
> detectors, are flipping switches millions of times per second. What about using a DIGITAL
> hearing aid? What about the automatic door opener at the supermarket, the DIGITAL security
> cameras taking your picture as you walk through the store, or the RFID scanner that
> electronically frisks you on the way out? What about crosswalks that sense pedestrians
> with proximity switches? What about automated toilets and sinks, which also use proximity
> detectors?- Hide quoted text -
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> - Show quoted text -
As an atheist, I can only be amused. However, haven't they heard of
Newtons and that all motion in a gravitational field constitutes work?
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