. >> is that john lou lovett? >> look at this guy. >> are you going to do the kissing next? grab the back of somebody's head -- >> huh-uh. >> hi. >> hi. >> how ya doing? >> who are you? do i know you? >> no. >>> set a tennis ball on fire. and -- >> his hand's on fire. >> see how to make tennis so much wççÑçÑ >> he's great. >> he's great! >> are you ready to have your mind blown by technology? >> yes. >> well, check out this. are you familiar with newton's cradle? have you ever been in like your boss's office and he's got one of those gadgets that's supposed to relieve stress where you hit the ball and hits all the other balls? well, that's this but it's not only swinging balls, it's -- >> hard to say that with a straight face. >> it's not only the swinging speers, it's light bulbs. >> oh, weird. so -- wow. so even the light being sent down this line of light bulbs. >> is your mind blown? >> yeah, a little bit. like 50% blown right now. >> 50% sgloblown. >> you know what's going to blow your mind even more? how this works. our techpert is here. >> like some other things i've