Imagine It- Disappearing Ink

A classic demonstration of how disappearing ink works using a fire extinguisher as a source of carbon dioxide gas to speed up the process. Chief Scientist Carl Nelson talks about the science behind acid/base indicators and how a few change colors in as the pH of the solutions changes. Imagination Station, Toledo's hands-on science center, is a vital non-profit organization that is an integral part of Toledo's economic, educational and social landscape. Imagination Station provides a critical laye

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