Rough Science
Our scientists have worked out where they are on the globe, but can they improvise a low-tech camera and film, make a compass to get their bearings, and...
Our scientists have worked out where they are on the globe, but can they improvise a low-tech camera and film, make a compass to get their bearings, and dye a flag? Seawater, seaweed and urine prove to be indispensable ingredients, but things don't quite go to plan.