Aired: 05/20/2014 | Views: 50,531
A man who tried and failed to launch a model rocket gets the full NASA treatment in preparation for his next mission.
Aired: 10/15/2013 | Views: 28,876
Daniel makes some upgrades to a ketchup-dispensing robot and tests the invention out on his staff.
Aired: 05/31/2011 | Views: 246,830
Daniel's fans suggest additional items for his backstage rider via Twitter.