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invention « Sayan's BlogWorld
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TED | Michael Pritchard’s water filter turns filthy water drinkable

By Sayan, on August 9th, 2009%

Turn any water into drinking water… $20 billion can provide safe drinking water for the entire world… this would an ideal stimulus plan…. healthier people can improve their own lives and contribute to their and society’s development

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Star-Trek Traction beam discovered

By Sayan, on July 15th, 2009%

The traction beam cannot lift your car or boat but it can move really really small objects. Here is the blurb from the article in ScienceDaily:
A team of Yale University researchers has discovered a “repulsive” light force that can be used to control components on silicon microchips, meaning future nanodevices could be controlled by light [...]

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Happy Birthday! The Gasoline-Electric Hybrid Car is 100 Years Old

By Sayan, on March 4th, 2009%

Treehugger has a great article on the hybrid car technology turning 100. Actually about a 100 years ago there were more electric or hybrid cars than pure gasoline / petrol driven cars.
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2 comments   all, conservation, invention, science, social, technology   , , , ,  

Forward Osmosis- revoluntionary water treatment?

By Sayan, on February 5th, 2009%

Cleantechnica has a post on Forward Osmosis. It is better explained here. The authors description in a gist:

…conventional desalination and reuse technologies use substantial energy. “forward osmosis,” exploits the natural diffusion of water through a semi-permeable membrane.

…

One comment   all, conservation, discovery, invention, science, social, technology   , , , , , , , ,  

Fighting hunger with flood-tolerant rice

By Sayan, on January 31st, 2009%

CNN reports that scientists after over 10 years of research have successfully developed a new strain of flood-tolerant rice through precision breeding. Read the article to know more about the inspiring work being done to positively impact the lives of hundreds of millions.
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New Catalyst Paves The Path For Ethanol-powered Fuel Cells

By Sayan, on January 31st, 2009%

This could prove to be a breakthrough for bio-ethanol based fuel cells. Current fuel cells are mostly methanol based which is a toxic chemical and have low efficiency.
Here is the ScienceDaily (2009-01-29) article:
Scientists have developed a new catalyst that could make ethanol-powered fuel cells feasible. The highly efficient catalyst performs two crucial, and previously [...]

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Durable $5000 Home Made from Recycled Paper

By Sayan, on January 23rd, 2009%

Local communities can probably leverage ideas like these to implement open-source design democratized green urban housing. BTW, how can you make a paper house fireproof? I understand that by using resin / coatings you make it waterproof but how it be made fireproof like bricks and not just fire-resistant?
Your thoughts / comments are welcome. [...]

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Surgeons could save lives, $20B by using checklist

By Sayan, on January 15th, 2009%

This will probably be useful worldwide…
Eight hospitals reduced the number of deaths from surgery by more than 40% by using a checklist that helps doctors and nurses avoid errors, according to a report released online today in the New England Journal of Medicine.
Surgeons could save lives, $20B by using checklist
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Leave a comment   ICT4D, invention, science, social

Elizabeth Hausler – Build Change : earthquake-resistant houses in developing countries

By Sayan, on January 28th, 2008%

Elizabeth Hausler explains to Global X that she was finishing her Ph.D. in engineering at Berkeley when an earthquake hit India and killed 20,000 people. That’s when she realized that “it’s not the earthquake that kills people, it’s the building collapsing.”

She looked for a solution and launched Build Change to build earthquake-resistant houses in developing [...]

One comment   ICT4D, all, invention, science, social, technology

Windbelt, Cheap Generator Alternative, Set to Power Third World

By Sayan, on November 5th, 2007%

The article here and its accompanying video describe this invention as, “…a taut membrane fitted with a pair of magnets that oscillate between metal coils. Prototypes have generated 40 milliwatts in 10-mph slivers of wind, making his device 10 to 30 times as efficient as the best microturbines…”

Leave a comment   ICT4D, all, discovery, invention, personal, science, social, technology
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