XPost: comp.os.linux.misc   
   From: nospam@needed.invalid   
      
   On Sun, 12/7/2025 11:41 PM, Nuno Silva wrote:   
      
   >   
   > Heh, I'd expect the go-to example for that kind of fail-safe brake   
   > operation not to be be trucks but rather trains :-)   
      
   I don't think you really want to know how train brakes work :-/   
      
       https://en.wikipedia.org/wiki/Lac-M%C3%A9gantic_rail_disaster   
      
       https://en.wikipedia.org/wiki/Railway_air_brake   
      
   It takes a while to absorb what is going on there, and what   
   component makes rail "safe". Hint: It's not the hardware.   
   You have to read articles like this more than once,   
   to fully appreciate it.   
      
      Paul   
      
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