Elephant Toothpaste in a Test Tube

<p>The other day I was meditating and remembered that I had this large, black, perfectly-good canister of factory grade 30% hydrogen peroxide that was just lying around precariously; and realized that I should probably put it to some use.</p> <p>My plan was simple. Some might even say, elegant (and definitely not dashed off). I would use some yeast (as a source for catalase) to catalytically decompose my hydrogen peroxide in a test tube containing soapy water. I hoped that the reaction would produce oxygen gas fast enough for bubbles to spurt out of the test tube, and that it&rsquo;d look cool enough for all the cleaning up that would follow. Look up&nbsp;<em>Elephant Toothpaste&nbsp;</em>if you want to see where I got the idea from.</p> <p>For anyone interested, the reaction goes:</p> <p><a href="https://medium.com/@shuckperiments/elephant-toothpaste-in-a-test-tube-616d1be740db"><strong>Learn More</strong></a></p>