Startups are building balloons to hoist tourists 100,000 feet into the stratosphere

Startups are building balloons to hoist tourists 100,000 feet into the stratosphere

A number of startups are hoping to hoist tourists to the stratosphere using pressurized capsules and massive gas-filled balloons. CNBC’s Magdalena Petrova explains: https://youtu.be/pfB32FkAxh0

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