Iodine clock reaction.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/iodine_clock.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...678#post205994
https://www.homemadetools.net/forum/...798#post156106
https://www.homemadetools.net/forum/...275#post192203
https://www.homemadetools.net/forum/...672#post190053
https://www.homemadetools.net/forum/...093#post187771
