Setting the scene…

Interactive story
Engineering the Inferno: A Nanotech Approach to Space Heat Shields
Use 8 buckyballs and 12 carbon nanotubes to create a cube. Use several of them linked together to create a reusable heat shield for a spacecraft!
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Previously
…As the applause began to swell, a warm, sustained wave of appreciation, Anya felt a tear trace a path down her cheek. It wasn't a tear of sadness, but of profound joy and a deep sense of belonging. She had helped to build a key, a key that would unlock not just the atmosphere, but the very aspirations of humanity. Dr. Thorne, his eyes twinkling with a familiar, almost childlike wonder, met her gaze again. The future, as he had so eloquently described, was no longer just a distant star; it was a destination, and they had just built the road.