Space Elevator

This was supposed to be a 1 mile climb test, but the FAA-required aviation orange paint - applied at 50 foot intervals to the ribbon - contained acetone, which weakened the ribbon. The first two attempts of the day resulted in ribbon breaks due to this acetone-induced degradation. With the ribbon in a weakened state, three (or even two) balloons created more lift than the ribbon could handle without breaking.

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