31 Jan '17, 2pm

5 Hurdles to Reaching the Next Star System

5 Hurdles to Reaching the Next Star System

Light from our sun takes more than four years to reach our nearest neighbor, the Alpha Centauri star system. Tiny spacecraft, each integrated on a chip and accelerated by laser light, might be able to close the distance in a respectable 20—assuming at least some of them survive the radiation and dust collisions en route. This interstellar scheme, developed with NASA funding, got a big boost last year with the launch of the US $100 million, privately funded Breakthrough Starshot program. As you might expect, there are myriad technical challenges to overcome. Here are five that top the list for Philip Lubin , a physics professor at the University of California, Santa Barbara, who road-mapped the idea and continues to research it with NASA support. Getting in Phase A kilometer-scale array of lasers could be used to create a spacecraft-pushing beam with many gigawatts of power...

Full article: http://spectrum.ieee.org/aerospace/space-flight/5-hurdles...

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defensenews.com 31 Jan '17, 5pm

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Q&A: The #USArmy's new talent management system

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army.mil 31 Jan '17, 12am

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pv-tech.org 31 Jan '17, 3pm

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thesource.com 30 Jan '17, 2am

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aluxurytravelblog.com 31 Jan '17, 5pm

5 of the most unique game lodges in Africa By Mags Longstaff on Jan 31, 2017 in Accommodation , Adventure Travel , Africa ...

に GitHub の Star 数が追加されてた https://t.co/0wRZLDi7Qk

rubygems.org 04 Feb '17, 3am

RubyGems.org is the Ruby community’s gem hosting service. Instantly publish your gems and then install them . Use the API ...

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kicksonfire.com 28 Jan '17, 9pm

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nicekicks.com 31 Jan '17, 5pm

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greentechmedia.com 31 Jan '17, 5pm

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