this uses something called the venturi effect.eases the flow. >> jimmy: i love doing that. >> so, turns out when you do that within a container, you actually get a pressure differential. we've actually got a little animation here. >> jimmy: oh, we do? >> so, if you do that inside, you can see where it gets narrow, but we've added an extra tube. that creates a little bit of a vacuum, which in this case creates a feed system for these balls. >> jimmy: oh. >> so we've hacked into a leaf blower. >> jimmy: oh. >> and a couple of water jugs we found in your office. and we've reduced it so you can see where it was reduced here, and then we've added this. so the mechanical mechanism from the screwdriver will actually put the balls in the tube, but the venturi effect will pull them up and turn them into a blaster. >> jimmy: let's fire this thing up. >> let's get it going. all right. >> jimmy: so, here we go. oh no! oh no! [ cheers and applause ] >> guillermo: yes, yes! >> jimmy: yes, yes, yes! that's right! [ cheers and applause ] >> jimmy