Backyard Engineers News Today

Is there a part of the country that doesnt understand what it is? >> its a competition of seeing who can throw it the farthest. >> we are talking people are spending almost a million dollars on machines like air cannons and catapults. they are getting distances of 4,000 feet. >> this is serious stuff. 25 years this has been going on. at comic-con you have a panel set up. what are people going to learn today? >> we are going to give them a taste of what they will be able to expect from the punkin...