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    Ho la sensazione che il “secondo” si muova più lentamente nel minuto esatto sugli orologi delle gare. Se sì, come viene compensato, gli altri 59 secondi sono più veloci?


    Ho la sensazione che il “secondo” si muova più lentamente nel minuto esatto sugli orologi delle gare. Se sì, come viene compensato, gli altri 59 secondi sono più veloci?



    https://v.redd.it/ywcw7enks7og1

    di devoutre

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    15 commenti

    2. bonfraier on

      Yes ! the clocks are synced by a signal at the minute; if the clock would be faster, it could beat the signal and you can’t stop the clock to allow for the “real time” to catchup.

      So all the clocks are deliberately made a bit “slower” and then wait for the sync signal to skip the last second.

    4. 1maginaryApple on

      The stop is on purpose and allows to synchronise all clocks and have the minute always start at the same time.

    5. HNM69 on

      Careful, this is not a real clock, but a synced display of the central watch.

    7. GarlicThread on

      This is by design. Swiss train clocks are synchronised with a country-wide master clock by the minute, which means that the minutes hand turns simultaneously all over the country, but the seconds hand doesn’t because that’s 60 times more impulses and nobody needs precision by the second. As a result, you need to have the seconds hand go faster in order to make sure that it will always be at 60 when the minutes hand moves. If for whatever reason the seconds hand was just slightly late, it would remain stuck in place for an entire minute, waiting for a movement of the minutes hand to start its next revolution.

    8. Eipa on

      In fact they simply stop time for a second. so the 60 seconds (not 59 in fact) are still each a second long!

    10. Sebanimation on

      Wdym you „feel“ like, are you not sure? It obviously stops for a moment…

    11. RoastedRhino on

      You feel?? 🙂

      It stops.

      It’s a very clever technique to make sure all clocks are synchronized in a train station, before electronic clocks were a thing. It’s a beautiful Swiss invention.

      The hand makes a full turn in a little less than one minute. Its imprecise because it is a purely electromechanical clock, but all clocks wait then at the 12 position. A signal is sent to all clocks at the same time to start the minute again, ensuring sync.

    12. vegan_antitheist on

      The clock is fine. We just slow down time at the full minute.

    13. stoppplosss on

      Fun fact, the SBB watch features the same 2 second delay 🙂

    14. Bottomless_Barrel on

      The clock moves slowly since you’ve been away from my baby… hehehe/s

      But yes, it’s true it moves slower, it’s because it’s a synchronization technique.

    15. asganawayaway on

      The clock is fake and it’s aligned with the train arrivals. That’s why Swiss trains are always on time on paper, but that’s actually the biggest lie ever created by the Swiss. On the other hand, German trains use real clocks and show you the real time.

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