Measuring People’s Reaction Time With a Ruler and High Speed Camera They are measuring how slow (and dumb) humans are, in centimeters. Dr. Adam Gazzaley explains reaction time and tells us why our brains are more like plastic, not cement. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts What Happens If You Insert a Coin Into Dry Ice? Macgyvering a Cement Truck Levitate a Screwdriver with Compressed Air! This Is What Happens When You Dissolve an Antacid On the Space Station One Strong Magnet Called the Death Magnet Can You Hear the Difference Between Cheap and Expensive Pianos?