This article was published on January 20, 2014

These four students built a face-tracking marshmallow cannon


These four students built a face-tracking marshmallow cannon
Emil Protalinski
Story by

Emil Protalinski

Emil was a reporter for The Next Web between 2012 and 2014. Over the years, he has covered the tech industry for multiple publications, incl Emil was a reporter for The Next Web between 2012 and 2014. Over the years, he has covered the tech industry for multiple publications, including Ars Technica, Neowin, TechSpot, ZDNet, and CNET. Stay in touch via Facebook, Twitter, and Google+.

A group of four Olin College engineering students decided they wanted to build a pneumatic-powered face-tracking marshmallow cannon. The goal? Get the gelatin treat inside the target’s mouth. Introducing the Confectionery Canon:

The majority of the device is made out of acrylic, but there are also a few aluminum pieces that hold together four servos, a webcam, a solenoid, a PVC tank, and an Arduino Uno. Python and OpenCV is used to do the actual face tracking. We’d be lying if we said we didn’t want one.

Confectionary Cannon

Image Credit: Olin College

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