Wired.com: “What’s That Stuff? The Chemistry Behind Everyday Products”
January 26th, 2010 // 5:08 pm @ admin
I found this fascinating quote today:
As we discovered, the kind of hand warmers we were investigating contained iron powder, which quickly began to rust when exposed to air. Ignoring the warning (!) and opening the packet lets in more oxygen and speeds up the reaction, creating so much heat that your iron mixture will start [...]
Category : Around the Web & Blog