>> that was gorgeous. >> yeah. >> all right? >> right. >> now that we've mastered the action hero fireball, it's time to explore the wonders of tannerite. >> a binary explosive. you mix them together, you shoot them with a bullet and they explode. >> this is the secret of how a single shot from bruce willis' magic gun creates an eye popping inferno. since "diehard." our nemesis will be a frozen turkey tied to a door. do we take the turkey out of the bag? >> yes. >> open her up. you know i grew up in a food family. >> certainly grew up in a knife family. >> ready to mix this stuff? >> ready. make a little room. >> how much are you going to put in? >> all of it. >> what ultimately do we learn as a result of this? or is it really about learning anything an all, is it simply --