Piston-powered aircraft from the 1950s were as fuel-efficient as the current average jet
Estimates about the fuel efficiency of aircraft ignore the record of the pre-jet era.
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Interesting possibilities arise when you combine old technology with new knowledge and new materials, or when you apply old concepts and traditional knowledge to modern technology.
High-tech has become the idol of our society, but technological progress is—more often than not—aimed at solving problems caused by earlier technical inventions.
There is a lot of potential in past and often forgotten knowledge and technologies when it comes to designing a sustainable society.
A Steam Powered Submarine: The Ictíneo
Narcís Monturiol successfully resolved the two basic obstacles presented to submarine inventors: air supply and mechanical power.
Life Without Airplanes: from London to New York in 3 Days and 12 Hours
If we would stuff people in the ‘Queen Mary 2’ like we fold passengers into airplane seats, the ship could transport more than 500,000 people