Clock reaction experiment Top Stories by: Staff Posted: May 23, 2018 / 04:20 PM CDT / Updated: May 23, 2018 / 05:24 PM CDT You won’t believe your eyes when you watch this experiment! For the latest breaking news and stories from across the Tri-State, follow Eyewitness News on Facebook and Twitter. (This story was originally published May 23, 2018)