Motion Induced Blindness demo by the Motorcycle Safety Foundation.
This is a great illustration of what pilots were and are still taught about visually scanning outside the cockpit. They are taught to scan the horizon for a short distance, stop momentarily, then repeat the process. It is the most effective technique to locate other aircraft. As motorcyclists we don’t need to see things more than perhaps a few thousand feet away where pilots need to identify objects miles away. However, the technique is basically the same; scan, then focus momentarily on an object that could be a threat then rescan and repeat the process. Don't fixate on one object for too long.
Below you see a rotating array of blue crosses and 3 yellow dots. Now fixate on the centre (watch the flashing green spot). Note that the yellow spots disappear once in a while: singly, in pairs or all three simultaneously. In reality, the 3 yellow spots are continuously present, honest!
You can use the slower/faster buttons to change
speed. Disappearance persists down to surprisingly low speeds. [If there
are no buttons on the right, please update your Flash player.]
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