I was in Talkeetna, Alaska when I received a call from my television producer. “Have you seen the Mentos video yet?” I asked which one she was referring to and she said, “The one with the two guys and 102 bottles of Diet Coke.” I quietly snuck out of the hotel room with my laptop - I was on a mission to find a wireless connection. Thirty minutes later (after lots of snooping), I was watching the amazing video by Fritz Grobe and Stephen Voltz. The first time we did the Mentos Diet Coke experiment on 9NEWS in Denver was March of 2002. We featured variations on the Mentos experiment four other times (different ways to drop the candy into the bottle… warm soda vs. cold soda… brand name vs. generic). But the Eepybird.com video was a stroke of genius.

As a tribute to their video, we gathered a few of our instructors and staff from the Hands-on Science Institute and taught viewers how to make their own trigger device. We filled the back of the SUV with 52 bottles, about 300 Mentos, a cordless drill and a pile of pipe clearners. Here’s the Spangler video at 9NEWS…

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Believe it or not, research scientists have actually concluded that Diet Coke produces the best stream of flying soda (much to the joy of the Mentos Experiment enthusiasts). I received an email from Dr. Joe Maglaty, Director of Education Outreach from the Merck Institute for Science Education with this information:

I recently came across an article that you may, or may not, be aware of. In the April issue of the Journal of Chemical Education, a chemistry professor from Illinois State Univ. took on the analytical process for showing gas solubility in aqueous solution - that is, how much carbon dioxide (CO2) is released from soda (pop) using ultrasonic energy. Read the rest of this entry »

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