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Obsolete Technology

There is a lot of potential in past and often forgotten knowledge and technologies when it comes to designing a sustainable society.

The Art of Producing Sustainable Consumer Goods: Basketry

Virtually all human cultures have made baskets, and have apparently done so since we co-existed with ground sloths and sabre-toothed cats.

How to Downsize a Transport Network: The Chinese Wheelbarrow

For being such a seemingly ordinary vehicle, the wheelbarrow has a surprisingly exciting history.

Gas Bag Vehicles

The old-timers on these pictures are not moving furniture or an oversized load. What can be seen on the roof is the fuel tank of the vehicle - a balloon filled with uncompressed gas.

Medieval Smokestacks: Fossil Fuels in Pre-industrial Times

Almost all of the leading economies in Western Europe during the last millenium relied on a large-scale use of fossil fuels such as peat and coal.

The Short History of Early Pedal Powered Machines

From the 1870s onwards, pedals and cranks were attached to tools like lathes, saws, grinders, shapers, tool sharpeners and to boring, drilling and cutting machines.

Aerial Ropeways: Automatic Cargo Transport for a Bargain

Cargo tramways can be fully or partly powered by gravity, and some deliver excess power that can be utilized to generate electricity or to drive cranes or machinery in nearby factories

Hand Powered Drilling Tools and Machines

During the last quarter of the 19th century, a radically improved generation of tools appeared.

Boat Mills: Water Powered, Floating Factories

Boat mills, bridge mills and hanging mills were almost as widespread as windmills.

How to tie the world together: online knotting reference books

Not so long ago, each profession or trade had adopted the knots best suited to its requirements, and knotting was part of their daily lives.

Lost Knowledge: Ropes and Knots

Ropewalk factories are some of the most remarkable industrial workshops and buildings in history.

Overview of Early Electric Cars (1895-1925)

One hundred years ago electric cars were a common sight on city streets in Europe and the United States.

The Sky is the Limit: Human-Powered Cranes and Lifting Devices

The only advantage that fossil-fuelled powered cranes have brought us, is a higher lifting speed