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Slightly quickening the metronomical pace (from 60 beats per minute) of an analogue clock's second hand to fit and extra click where the second hand could move backwards to startle someone briefly glancing at the clock, then another to compensate for it.
3/4 Time Escapement
3_2f4_20Time_20Escapement
Can we combine the two to make a waltzing clock whose second hand goes forward, forward, back? [jutta, May 03 2007]
(?) for [chime]
http://etext.librar...keley/george/three/
when no-one's looking... [pertinax, May 04 2007]
Archived copy of above-linked "Three Dialogues between Hylas and Philonous" by George Berkeley
https://web.archive...keley/george/three/
[notexactly, Dec 07 2019]
Wikipedia: Chronostasis
https://en.wikipedi...g/wiki/Chronostasis
Actual explanation for what [chime] and [mecotterill] described [notexactly, Dec 07 2019]
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Annotation:
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I find it fascinating that I annotated one of your ideas in 05 [Night], yet your profile page states you arrived in 07 |
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Great for school clocks, especially in notoriously boring classes. [+] |
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[+] In fact, build me one and I will buy it. |
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[fries deux] Heh, a mystery unsolved thus far..... |
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I would certainly buy one! |
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I swear I've actually felt this myself, in a slightly modified form. |
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Sometimes when I look at a clock, it seems like the seconds hand is waiting for over 3 seconds initially. Then it resumes the motion, as if waking up from sleep-mode because no one was observing it. |
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That'd be a Berkeleian clock, [chime]. There's a whole separate idea there. |
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This reminds me of a prank some friends and I prepetrated ca. 1973. The clocks in our high school had no second hands, but relied on a pulse sent every minute from a master clock to advance the minute and hour hands of the clocks in each classroom. |
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We discovered that we could tap into certain circuitry and advance the clocks from a point in the Chem lab, using a relay and some simple logic devices. This interfaced to the telephone system, which happily provided pulses when certain lines were on hold, (more or less at random!) |
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We had some very short classes during the last week of our senior year! |
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Call it the Big Nurse clock. "To Bromden, time moves slowly for the rest of the day; the Big Nurse adjusts it in her office."--One Flew Over The Cuckoo's Nest |
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Often when I look at a clock I think I see
the second hand moving backwards, or
observe a long delay. I seem to recall that
some scientists studied this phenomenon
and discovered that the brain goes into a
temporary hypnotic state when looking at
a stationary object which we think is
moving, or vice versa. |
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Can't remember where I heard it, or link to
it - sorry. |
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