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"OpenIDEO has partnered with Oxfam and Nokia to explore how mobile technologies can be used to improve maternal health (particularly in pregnancy and childbirth). We’re asking you, the OpenIDEO community, to come up with inspirations and concepts around improving the knowledge and access to maternal health services, specifically where mobile technologies can be used as a tool to aid this. We’re focusing our solutions in low-income countries, such as Burkina Faso and Bangladesh. In many such countries fees for health care prevent millions of mothers from seeking the professional care they need or where under-investment means health works or medicines are unavailable. "

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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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"Volkswagen's 260 MPG Diesel Hybrid Coupe

Volkswagen's 260 MPG Diesel Hybrid CoupeShowing a high-mileage prototype in oil country? That takes some brass ones, Volkswagen. The company went to Qatar to reveal the XL1. VW says the diesel hybrid can travel more than 260 miles on a gallon of UAE tea.

Motivation to a top speed of 100 mph comes from a two-cylinder, 47 hp turbodiesel displacing 800 cc and a 27 hp electric motor powered by lithium-ion batteries. When home-charged, the 1,753-lb, carbon-fiber concept can do 22 miles solely on e-power. Does this mean VW's production diesel hybrid powertrain is close to prime time?"

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"Masdar City was designed to be a cleantech geek's dream come true -- it will be almost entirely powered by renewable energy, cooled by towers that draw wind into breeze corridors, and navigated by a number of futuristic mass transportation options. The Personal Rapid Transit system -- all-electric, driverless pod cars that would ferry denizens around Masdar along magnetically guided lines -- was the transportation proposal that perhaps attracted the most excitement. And for good reason: the PRT is sleek, low-carbon, and pretty damn fun to ride."

persona rapid transport

"In other words, London's bike superhighways are incredibly successful, as the front-page GOOD story remarks. According to the findings in study by Transport for London, there were 70% more cyclists out on the streets of London in October of 2010 than there were the previous year.

GOOD has more:

that means that the number of bikers on the streets pre-superhighways was 70 percent lower than it is now that the superhighways have been installed. That's some effective bike promotion, if I've ever seen it ... Will other cities see this information and start doing more for bike lane planning than simply laying them on the side of the street?

That's right -- bike use everywhere jumped, not just on the superhighways. The safe, elegant lanes evidently inspired more folks to dust off their old ten-speeds and hit the roads.

It should also be pointed out that the spike in cycling also coincides with London's bike-share program, which we've written about at length here on TreeHugger.

This development is fantastic -- people want to ride bikes in cities. It's cheap, efficient, and fun. But most of the time, it's terrifying. It's why I don't ride a bike in New York -- no way I'm heading into Manhattan traffic during rush hour. New York is also making strides in its bike lanes, too, however. If they work as well as London's, that's all it will take -- count me in. "

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