Caltech’s 28th Annual ME72 Engineering Design Contest
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Photo Gallery: Caltech’s 28th annual ME72 Engineering Design Contest

Team Blacker Air and Machinery Force’s quad chopper flies through the air with a hanging battery during the 28th Annual ME72 Engineering Design Contest - Sponge Wars: Attack of the Drones, at Caltech in Pasadena on Tuesday, March 12, 2013. Although somewhat crippled during flight, the quad chopper was able to help its team win the first round of competition.  (Raul Roa/Staff Photographer)
Team How to Train Your Blimp prepares to do battle, right, during the 28th Annual ME72 Engineering Design Contest - Sponge Wars: Attack of the Drones, at Caltech in Pasadena on Tuesday, March 12, 2013. Although somewhat crippled during flight, the quad chopper was able to help its team win the first round of competition.  (Raul Roa/Staff Photographer)
Mary Nguyen of the Team Der Red Penguins fixes electronics just prior to competition during the 28th Annual ME72 Engineering Design Contest - Sponge Wars: Attack of the Drones, at Caltech in Pasadena on Tuesday, March 12, 2013.  (Raul Roa/Staff Photographer)
Nic Zhang of Team Gym Rats controls one of two robots during the 28th Annual ME72 Engineering Design Contest - Sponge Wars: Attack of the Drones, at Caltech in Pasadena on Tuesday, March 12, 2013.  (Raul Roa/Staff Photographer)
Team How to Train Your Blimp’s Rachel Hess replaces a battery on her robot “Toothless” during the 28th Annual ME72 Engineering Design Contest - Sponge Wars: Attack of the Drones, at Caltech in Pasadena on Tuesday, March 12, 2013.  (Raul Roa/Staff Photographer)
Team Spongebot MetalPants prepares their robots for competition during the 28th Annual ME72 Engineering Design Contest - Sponge Wars: Attack of the Drones, at Caltech in Pasadena on Tuesday, March 12, 2013. The robot in front of the team was built with arms to remove sponges from a tall pedestal.  (Raul Roa/Staff Photographer)
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