Have a Geeky 4th of July! Cali Lewis July 4, 2012 Episodes 23 Shares Google+ 1 Twitter 19 Facebook 0 LinkedIn 2 Reddit 0 Pin It Share 0 Buffer 1 23 Shares × Robot Ketchup Dispensers Sometimes they work, sometimes not so much… but they always brings tech to the condiments table. Lighting a Grill with Liquid Oxygen If it’s good for rocket propulsion, it must be good for grilling – right? iGrill Keep an eye on your grill temperature from a distance with the iGrill. Online 4th of July Recipes We found some great ideas for 4th food from Martha Stewart and Food Network. Or you can get your iPad into the act with iCookbook, a voice activated recipe app. Apps for the Holiday You can have your own fireworks show right on your iOS device with Fireworks Arcade, and track conditions outside with the EPA’s AirNow app.