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Do you have lots of contacts in your industry? If so, consider solving their problems with existing tech for now. Most unloved corners of the physical economy will pay a give-a-dar…

Collecting small things from many sources over meaningful distances is hard. Separating things made of many materials is hard, especially when some components are hazardous. Purify…

I'll take any opportunity to thank devjoe who maintains an index of all MIT Mystery Hunt puzzles as a labor of love at: https://devjoe.appspot.com/huntindex/