This ride gets faster or slower depending on how scared you are, adjusting speed based on a rider's heart rate. Last year, Dutch designer Daniel de Bruin created a one-person ride called the Neurotransmitter 3000 that speeds up or slows down based on biometric data it gathers from the rider’s body. The rider wears sensors that measure heart rate and muscle tension, and those vital signs determine how fast the ride should be. A resting heart rate brings the ride to full speed.
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