Each year, hundreds of subway riders pull the emergency brake for no good reason. Last week, that kind of vandalism led to a derailment that injured dozens. By Ana Ley The collision between two subway ...
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How a Simple Chain Can Stop a Train: The Technology Behind Indian Railways' Emergency Braking System
If you've ever traveled by train in India, you’ve likely noticed a red-colored chain hanging in every coach. This is not a random fixture—it's part of a life-saving mechanism known as the Alarm Chain ...
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