You know you must be doing something right when the judge you’re trying to impress offers to team up with you for an early demonstration of your solution. This is what happened at this year’s Rabobank-MIT Food and Agribusiness Innovation Prize pitch event.

Aimed at US graduate students developing new products and technologies for food sustainability, the business plan and pitch competition is in its sixth year now. It is hosted by the student-led Food and Agriculture Club (FAC) at the Massachusetts Institute of Technology.

This year, seven teams made it to the finals. But the winning team, Human Dynamics, was armed with a solution for which the addressable market in the US alone is $3 billion.

Drone sanitation for food production plants

The solution is simple enough: a drone that flies through food production facilities spraying soap and disinfectant for daily sanitation. However, the challenges that it helps to solve are not small by any measure.

The average large food…