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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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How to Build a Space Elevator
27 February 2014 12:45 pm
An elevator to space isn’t such a crazy idea, according to a team of experts who have written a detailed 300-page report on how to build one. In a nutshell, to reduce the cost and energy of getting from Earth to space, Motherboard reports that a supertough, nearly 100,000-kilometer-long cable equipped with robotic “climbers” needs to be anchored near the equator. The researchers say current rocket technology used to get to space isn’t very practical—it spews a bunch of chemicals into the atmosphere on liftoff, and it can’t carry much cargo—so an elevator to the heavens just makes more sense.
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