Faster internet is impossible : internet users continually need faster connections to surf the web at the same speed
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The age of speed : how to reduce global fuel consumption by 75 percent
Life without airplanes : from London to New York in 3 days and 12 hours
Green, slow air cargo : air freight could become the most eco-friendly option if speed is reduced
Solar powered cars : if racing cars can drive on solar energy, then why do normal cars still need fossil fuels?
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Carrier pigeon beats internet: the revival of the sneakernet
Computing without electricity : fast and complicated calculations are a product of fossil fuels
Bring back the horses : replacing tractors with real horse power could be the revolution that agriculture needs
Sailing at the touch of a button : we have computer-controlled windmills, why not computer-controlled sailing cargo vessels?
The Aeromodeller 2 : the zeppelin that never lands
The pinhole camera : build a pinhole camera, turn your bedroom into a camera obscura and rediscover photography
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Cleantech from the 1940s : if we really want more energy efficient cars, the Citroën 2CV shows us that we need not more, but less technology
Planes on wheels : how eco-friendly is a high speed train?
Wind up your laptop : with a hand crank it is possible to generate 35 to 60 watts, on a bike this sustained power capacity rises to 100 or 150 watts
A world without trucks : underground freight networks
Satellite navigation in the 18th century : who needs GPS?
The return of the sailing ship : considering the wind as an extra source of power, the fuel use of cargo ships can be reduced substantially
Email in the 18th century : the surprising speed of the optical telegraph
The digital oubliette : chances are slim your children will be able to enjoy the digital photo album when they grow up
Moonlight towers : light pollution in the 1800s
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