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Back to Basics: Direct Hydropower 11 Aug 2013 | 05:24 am
All hydropower plants today produce electricity. Transforming energy to electricity seems to be the only way to harness water power, but it is not. For almost two thousand years, water wheels powered ...
Scale Models of Bicycles 17 Jul 2013 | 07:26 pm
Toy cars encourage children to accept the omnipresence of automobiles. Replacing model cars with model bicycles could thus be a first step towards sustainable transportation. Toy bicycles also look gr...
The Mechanical Transmission of Power (3): Endless Rope Drives 2 Mar 2013 | 10:12 pm
You don't need electricity to send or receive power quickly. In the second half of the nineteenth century, we commonly used fast-moving ropes. These wire rope transmissions were more efficient than el...
The Mechanical Transmission of Power (3): Endless Rope Drives 2 Mar 2013 | 10:12 pm
You don't need electricity to send or receive power quickly. In the second half of the nineteenth century, we commonly used fast-moving ropes. These wire rope transmissions were more efficient than el...
The Mechanical Transmission of Power (2): Jerker Line Systems 2 Feb 2013 | 10:45 pm
From the 1860s to 1940s, many oil wells were pumped by a technology that originates in a sixteenth-century power transmission system used in the mining industry. One engine operated up to 45 pumps in...
The Mechanical Transmission of Power (2): Jerker Line Systems 2 Feb 2013 | 10:45 pm
From the 1860s to 1940s, many oil wells were pumped by a technology that originates in a sixteenth-century power transmission system used in the mining industry. One engine operated up to 45 pumps in ...
The Mechanical Transmission of Power (1): Stangenkunst 23 Jan 2013 | 09:07 pm
Long-distance power transmission predates the invention of electricity by almost four centuries. From the 1500s onwards, engineers developed mechanical power transmission and distribution technologies...
The Mechanical Transmission of Power (1): Stangenkunst 23 Jan 2013 | 09:07 pm
Long-distance power transmission predates the invention of electricity by almost four centuries. From the 1500s onwards, engineers developed mechanical power transmission and distribution technologies...
How to Make Everything Ourselves: Open Modular Hardware 16 Dec 2012 | 01:27 am
Reverting to traditional handicrafts is one way to sabotage the throwaway society. In this article, we discuss another possibility: the design of modular consumer products, whose parts and components ...
How to Make Everything Ourselves: Open Modular Hardware 16 Dec 2012 | 01:27 am
Reverting to traditional handicrafts is one way to sabotage the throwaway society. In this article, we discuss another possibility: the design of modular consumer products, whose parts and components ...
