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Rough Science
The five scientists are taken to a mystery location in the Mediterranean. Their first challenge is to determine their latitude and longitude and thus pinpoint exactly where they are. They are also asked to create insect repellent and a radio.
The castaways are challenged to create an electric battery from natural materials, a power meter for testing the battery, and a camera and film, as well as natural dyes to make a flag.
Moving on from the battery in episode 2, this time the scientists face the challenge of building an electric generator to run on natural energy.
The team are asked to create soap and toothpaste using only ingredients they can find in the wild, and a record player from scrap material.
