Leo Aerospace provides bespoke rocket launches — from a hot air balloon

The demand for orbital launches is increasing steadily, and the industry is nowhere near keeping up. Leo Aerospace thinks it can help with a launch technique that’s more efficient and requires far less infrastructure than an ordinary rocket: a hot air balloon. With a rocket attached to it, of course. It sounds wacky at first, but it could prove to be an economical and flexible way of getting to orbit.
Leo is originally out of Purdue, one of two such teams on stage this week at Disrupt SF S