Sit down in a cozy chair and bathe your brain in a bubble of color of your choosing, dialing up anything from amber to violet. As you spend a few moments with each color, you may feel a shift in your own emotional hue.
At this exhibit, you can test your reaction time in three different scenarios—each requiring an increasing amount of thought. In the process, you can actually measure the time it takes your brain to accomplish the extra work of making a (fast) decision.
A sweeping glance creates images that appear and disappear in the blink of an eye. This phenomenon, called persistence of vision, is also at work in videos and movie projections, which also flash on and off rapidly.