@danielmcclure on Twitter: "RT @EarnKnowledge: This is what a water bottle looks like before it's expanded using compressed air. http://t.co/4GPjXczjEv"

Last Updated: September 20, 2015

RT @EarnKnowledge: This is what a water bottle looks like before it’s expanded using compressed air. http://t.co/4GPjXczjEv

https://twitter.com/danielmcclure/status/645710733959823362