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Gravity Light Set to Illuminate the Developing World

Date:
February 5, 2013
Source:
Reuters / Powered by NewsLook.com
Summary:
A British company is offering a safe and efficient alternative to the dangerous kerosene lamps that are in wide use throughout the developing world. Called "Gravity light" the electric-powered device costs just five dollars, using the force of gravity to keep the lite switched on.


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last updated on 2014-04-24 at 3:08 am EDT

Astronaut Uses Single Strand of Hair to Propel Herself

Astronaut Uses Single Strand of Hair to Propel Herself

Buzz60 (Oct. 23, 2013) During conversations in preparation for the movie 'Gravity,' NASA astronaut Cady Coleman told actress Sandra Bullock all it takes to propel oneself in zero-gravity is a single strand of hair. Jen Markham has the video of one astronaut aboard the International Space Station demonstrating the power of hair in space.
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Climate: Colombia Green Transport

Climate: Colombia Green Transport

Deutsche Welle (July 29, 2013) The TransMilenio express bus network in Bogot is considered a model for many megacities in developing countries: commuters fill up the free buses, and bus lanes and bicycle paths take the place of car-filled streets. They're almost as effective as an underground railway system, but cost only a fraction to operate. CO2 emissions from passenger and goods traffic are rising steeply in developing countries. Colombia is trying out various projects to curb that growth.
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Neil deGrasse Tyson Fact-Checks Science of 'Gravity'

Neil deGrasse Tyson Fact-Checks Science of 'Gravity'

Newsy (Oct. 7, 2013) Neil deGrasse Tyson fact-checks 'Gravity' and shares his criticisms on Twitter.
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New Fusion Engine Could Mean Mars Trip in 30 Days

New Fusion Engine Could Mean Mars Trip in 30 Days

Buzz60 (Apr. 15, 2013) A new fusion engine being developed by scientists at the University of Washington with funding from NASA could make all other forms of space travel obsolete. The new engine would allow space travel at unprecedented speeds while being cheaper and it would require less raw material. The quicker travel time means astronauts would spend less nights sleeping in a zero-gravity environment, like Chris Hadfield recently showed in a video from the International Space Station.
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