Practice more problem-solving at https://brilliant.org/TedEd/
Solution to Bonus Riddle: https://brilliant.org/TedEd3ColorCube/
Your team has developed a probe to study an alien monolith. It needs protective coatings — in red, purple or green — to cope with the environments it passes through. Can you figure out how to apply the colors so the probe survives the trip? Dan Finkel shows how.
Lesson by Dan Finkel, directed by Anton Trofimov.
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