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"Aerial ropeways: automatic cargo transport for a bargain
Adam wybe 1 These days, we use them almost exclusively to transport skiers and snowboarders up snow slopes, but before the 1940s, aerial ropeways were a common means of cargo transport, not only in mountainous regions but also on flat terrain, with large-scale systems already built during the Middle Ages.
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. Some innovative systems have been constructed in recent years.
Ropeway in Danzig, 1644
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A cargo ropeway offers the possibility of powering a neighbouring factory - solely by gravity.
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Source 5 crossing a riverBefore we start, it is important to note that aerial ropeways (also known as aerial tramways or cableways) can be divided in two groups: monocable and bicable mechanisms. In a monocable system, one endless rope serves to both support and move the carriers in transit. In a bicable (or tricable) system, separate ropes sustain these functions: one or two static support ropes, the "carrying ropes" or "track cables", and one or two light travelling "haul ropes".
Ancient and medieval ropeways were of both variety, while modern ropeways (from the 1850s onwards) were initially exclusively monocable systems. Later, bicable systems took over almost completely. At the end of the 19th century, both ropeway methods were also applied to canal transportation (see the article on trolley canal boats), with monocable systems used for cable trains.
Bicable mechanisms are much better suited if the track spans larger distances and/or has steeper grades. If only one endless rope would be used on a tra
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"Crowdsourcing Ideas for the City
Posted by LinYee Yuan | 20 Jan 2011 | Comments (0)
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Mayor Bloomberg is not one to shy away from new ideas. The 8 million citizens of New York City are famously opinionated -- for every problem, there are at least 8 million ideas on how to fix it. Give a Minute is a new model for urban participation, a 311 for new ideas that, "seeks to reinvent the public process for the 21st century." The program engages the entire city with a single question, soliciting ideas and then connecting participants together in Action Groups. Groups are organized around specific solutions, and sponsored by anyone from a city-wide nonprofit to a neighborhood group or individual. Mobilizing resources like fund-raising efforts and city programs will help to actualizes some of these solutions. As Mayor Bloomberg stated in his announcement, "This kind of open call for ideas -- or 'crowdsourcing,' as it's called -- has helped cutting-edge companies improve services and save money. And with more than 8.4 million people in our crowd, imagine what we can come up with." The program launches in April of 2011 in NYC but cities like Chicago and Memphis are already rolling out similar programs."
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"11 of the Best Innovation Essays We Published in 2010
Here at Co.Design, we pride ourselves on being a house of many mansions. To that end, we’ve spent the past several months sharing the perspectives of some of the finest experts working in design, from Bruce Nussbaum on the dangers of design imperialism to Gadi Amit on what’s wrong with American design schools (hint: everything). We might not agree with all the opinions, but we’re totally convinced that the dialogue about design is richer because of them. What follows is a collection of the most popular -- and occasionally controversial -- columns of 2010."
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"Inside the United Nations' Innovation Overhaul
BY Jenara NerenbergThu Nov 4, 2010
A project called "Global Pulse" is quietly building and taking hold inside one of the world's largest bureaucracies.
The United Nations is one of the world's largest organizations--managing agencies like the World Food Programme, UNICEF, and the High Commissioner for Refugees--but a new and innovative project has been quietly building in the last few months. The "Global Pulse Project" was initiated at the G20 Summit in New York last year, but only recently has the initiative begun to take shape. Having gone largely unnoticed, the shift actually indicates a monumental change, signaling a more participatory and grassroots approach to technology for social change.
Christopher Fabian works for UNICEF in New York. He has been advising the UN Global Pulse for the last six months. The global Pulse is led by Director Robert Kirkpatrick and includes staff from several UN agencies.
"The GP comes at the request of the G20 leaders to the Secretary General and involves a huge web of partners both inside and outside of the UN system," Fabian tells Fast Company. What the GP is, essentially, is a new programmatic approach that seeks to utilize the streamlining tools of technology and the private sector to help the UN do its job better. There is a strong focus on efficiency, innovation, gathering "real time" data, and rapid response to emergencies--in other words an overhaul of old, lagging, outdated, paper-based methods to do the work of saving lives, improving health, and restoring communities.
The UN's history of real-time initiatives spans a number of projects, most notably a few recent ones developed in partnership with students at NYU. At the University's "Design for UNICEF" class--a class spawned and inspired by a single conversation between Clay Shirky and UN staff--mobile phone tools such as RapidFTR have been developed, where aid workers can immediately help families find each other by clicking a photo, uploading onto a database, and
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Last year's Copenhagen climate conference failed to produce any sort of useful legislation. Maybe the wisdom of the crowd can do a better job. That's the idea behind MIT Climate CoLab's Collective Intelligence Climate Contest, a project that asks participants to submit proposals that answer one deceptively difficult question: What international climate agreements should the world community make?
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