A well-timed blink helps us to look around
When did you last blink? Every few seconds, we briefly close our eyes, interrupting our view of the world. Most of the time, we do not notice. What is more, these brief interruptions hardly seem to interfere with our everyday activities.
原文出处：Phys.org （本文由聚合程序自动采集，版权归原作者所有）