• verstra
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    10 hours ago

    These are so simple and yet so clever. When i noticed them the first time i started noticing them everywhere (on all rail infrastructure).

    • someacnt_@lemmy.world
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      42 minutes ago

      Is it simple? It looks quite complicated, but maybe that’s just me forgetting how to compute forces.

    • RubberElectrons@lemmy.world
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      7 hours ago

      I as well. Seattle transit, NEC Amtrak and NJ transit live off of these. If these systems work for them, they’ll work for us all