Recommended For You

About the Author: livescience

4 Comments

  1. What I wondered with these things was, how does boiling it return it to it’s natural, or pre-reacted state? Other than magic of course.

  2. I love these things. I’ve got a set called hot snapz. I like sticking one in the bottom of my bed for the cold feets

Leave a Reply

Your email address will not be published. Required fields are marked *