Tom Scott
      After 140 years, this old technology still keeps trains safe (2022x10)
      
      Ausstrahlung: Mär 07, 2022
      "Anderson's Piano" is a set of wires and signals at the Pass of Brander, near Falls of Cruachan in Scotland, that try to detect when there might be a boulder on the track. They're 140 years old, and so far no-one's been able to find a better solution — but they're working on it.
     
    
      
        
        
          
            - Premiere: Feb 2013
 
            - Episoden: 630
 
            - Anhänger: 1