Some innovations require a bit of hot air to get off the ground
Per Lindstrand, an aeronautical engineer and founder of hot air balloon manufacturer Lindstrand Balloons, has outlined plans for a 3,280-foot inflatable solar chimney that would harvest energy from the sun, and deliver power to remote locations
Lindstrand is best known for taking a trip across the Pacific Ocean in a balloon with Richard Branson in 1991. His company, Lindstrand Technologies, produces inflatable structures, as well as lighter-than-air vehicles, such as blimps and aerostats. Read more...
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