LGP Science Thread

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Re: LGP Science Thread

Postby Grunthy on Mon Jul 21, 2014 10:10 pm

welp. found my reason to not go to Sichuan...
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Re: LGP Science Thread

Postby PensFanInDC on Mon Jul 21, 2014 10:53 pm

Imagine a swarm of those. Right now. In your house.
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Re: LGP Science Thread

Postby SolidSnake on Tue Jul 22, 2014 2:01 pm

I won't sleep good for a week now
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Re: LGP Science Thread

Postby Gaucho on Tue Jul 22, 2014 2:02 pm

the wicked child wrote:Image
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Re: LGP Science Thread

Postby eddysnake on Tue Jul 22, 2014 2:33 pm

page won't open, could someone please post a picture of this thing
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Re: LGP Science Thread

Postby Gaucho on Tue Jul 22, 2014 2:50 pm

Image
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Re: LGP Science Thread

Postby dodint on Tue Jul 22, 2014 6:44 pm

Looks like a flying JTOR.
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Re: LGP Science Thread

Postby columbia on Mon Jul 28, 2014 2:58 pm

The extinction set the stage for the modern world, Butler notes. Although one lineage of dinosaurs survived as modern birds, mammals began their rise only after the dinosaurs were out of the picture. ”That may never have happened if dinosaurs had never gone extinct,” says Butler. ”It think it's very likely that if the asteroid hadn't hit, we would still have dinosaurs around today.”


:scared:

http://www.nature.com/news/dinosaur-kil ... me-1.15616
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Re: LGP Science Thread

Postby bhaw on Wed Jul 30, 2014 1:15 am

Imagine how different history would have been...

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Re: LGP Science Thread

Postby count2infinity on Thu Aug 07, 2014 2:36 pm



so cool...
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Re: LGP Science Thread

Postby stopper40 on Fri Aug 08, 2014 10:14 am

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Re: LGP Science Thread

Postby count2infinity on Fri Aug 08, 2014 10:20 am

Cool stuff. I don't find myself worrying too much about that sort of stuff as it'll never really apply to anything in my lifetime, but I suppose that goes with the territory of being a chemist/materials scientist. Those mathletes, physicists and astronomers are awesome for doing this kind of work, and it always leaves me saying, "Huh... that's pretty cool."
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Re: LGP Science Thread

Postby meow on Fri Aug 08, 2014 10:22 am

stopper40 wrote:http://www.sciencedaily.com/releases/2014/08/140807145618.htm

My brain hurts

I know some of those words.
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Re: LGP Science Thread

Postby Willie Kool on Fri Aug 08, 2014 10:55 am

stopper40 wrote:http://www.sciencedaily.com/releases/2014/08/140807145618.htm

My brain hurts


While totally possible, I still think they're looking past the obvious. The math really doesn't require a black hole in a fourth dimensional universe. I tend to believe that the Big Bang was/is being fueled by past/present/future black holes in our own universe.
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Re: LGP Science Thread

Postby DontToewsMeBro on Sat Aug 09, 2014 11:03 am

Willie Kool wrote:
stopper40 wrote:http://www.sciencedaily.com/releases/2014/08/140807145618.htm

My brain hurts


While totally possible, I still think they're looking past the obvious. The math really doesn't require a black hole in a fourth dimensional universe. I tend to believe that the Big Bang was/is being fueled by past/present/future black holes in our own universe.


Any reason to back up that belief?

This is one of those papers that will be picked up by pop-sci sites, spun to generate a few web hits, and largely disregarded by the general cosmology community.
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Re: LGP Science Thread

Postby Willie Kool on Sat Aug 09, 2014 12:33 pm

DontToewsMeBro wrote:
Willie Kool wrote:I tend to believe that the Big Bang was/is being fueled by past/present/future black holes in our own universe.


Any reason to back up that belief?


Occam's Razor. If we don't need unobservable multidimensional universes to explain something, why go there? That said, I do find string theory fascinating and actually quite intuitively appealing, so I'm not really opposed to their conclusion.
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Re: LGP Science Thread

Postby redwill on Sun Aug 17, 2014 5:08 pm

See your name (or other message) in celestial lights!

http://www.mygalaxies.co.uk
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Re: LGP Science Thread

Postby Sam's Drunk Dog on Thu Aug 21, 2014 7:14 am

Article from Associaton of Certified Fraud Examiners regarding Scientific Fraud, the motivations committing it, and some recent examples.

http://www.acfe.com/fraud-examiner.aspx?id=4294984697
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Re: LGP Science Thread

Postby obhave on Thu Aug 21, 2014 8:28 am

Sam's Drunk Dog wrote:Article from Associaton of Certified Fraud Examiners regarding Scientific Fraud, the motivations committing it, and some recent examples.

http://www.acfe.com/fraud-examiner.aspx?id=4294984697


One way to prevent the fraud from happening is to rid the science community of the culture that the quality of your work is only based on the amount of papers published. Amount of publications leads directly to tenure positions and also grants. Its hard to get grants without high publication rate. It not only leads to fudging of numbers, but also publishing before reproducibility is established. The culture also leads to people publishing 4 papers that should really only be one paper. That just adds to the overwhelming amount of literature out there.
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Re: LGP Science Thread

Postby Shyster on Sun Aug 24, 2014 10:18 pm

U.S. Air Force Solicits Information on New Rocket Engine
http://www.spacenews.com/article/milita ... ket-engine

So the Air Force is opening solicitations for a new rocket engine to replace the RD-180 for the Atlas V. The current engine is made in Russia, and relations have been a wee bit frosty of late. Congress is also floating bills to fund a replacement engine. What frosts my Wheaties about this is that the Atlas V is not owned by, built by, or directly funded by the Air Force or the U.S. Government. It's built by ULA (United Launch Alliance), which is supposed to be an independent company. If ULA runs out of engines, then that's supposed to be ULS's f***ing fault. And there are other options to the Atlas V, including the Delta IV from the same company and also the SpaceX Falcon 9, which by the way never received a billion dollars from Congress to pay for its engine development. This would be similar to Congress appropriating money so that General Motors could engineer a replacement for the Malibu while at the same time telling Ford, Honda, etc. to go pound sand and pay their own development costs.
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Re: LGP Science Thread

Postby tifosi77 on Mon Aug 25, 2014 4:19 pm

ULA is a joint venture between Boeing and Lockheed-Martin. It's a just a way for Congress to help their buddies in the military industrial complex.
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Re: LGP Science Thread

Postby tifosi77 on Mon Aug 25, 2014 4:21 pm

Shyster wrote:And there are other options to the Atlas V, including the Delta IV from the same company and also the SpaceX Falcon 9, which by the way never received a billion dollars from Congress to pay for its engine development.

You're right..... they only got half a billion from NASA.
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Re: LGP Science Thread

Postby Shyster on Mon Aug 25, 2014 4:55 pm

tifosi77 wrote:
Shyster wrote:And there are other options to the Atlas V, including the Delta IV from the same company and also the SpaceX Falcon 9, which by the way never received a billion dollars from Congress to pay for its engine development.

You're right..... they only got half a billion from NASA.

SpaceX developed its engines in-house with private money. It's true that NASA is paying SpaceX under the COTS program for flights to the ISS, but that's different than funding SpaceX's development costs up front. The Merlin 1 engine was developed entirely with private money. And NASA and the Air Force not only pay ULA for each launch, they also subsidize ULA's fixed costs to the tune of over $1 billion per year, supposedly to provide “assured access to space.” SpaceX receives no subsidies.
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Re: LGP Science Thread

Postby tifosi77 on Mon Aug 25, 2014 5:39 pm

SpaceX, Tesla and to a lesser extent SolarCity all operate on a similar model; get people to pay up front to help defray development costs. The engine was developed with private equity, the launch vehicle was not. Their payments from NASA amount to short-term interest-free loans from the government (or in the case of Tesla, directly from car buyers). No, they do not get subsidies the in the manner of ULA. But they are still almost entirely dependent upon government contracts at this stage.

And don't get me wrong - I extol Musk's ability to get other people to fund his companies as a virtue. I think that's his real innovation, actually.

And COTS is no more. Wrapped up late last year when SpaceX and Orbital Sciences completed their program goals.
Last edited by tifosi77 on Mon Aug 25, 2014 5:42 pm, edited 1 time in total.
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Re: LGP Science Thread

Postby DontToewsMeBro on Mon Aug 25, 2014 5:39 pm

Willie Kool wrote:
DontToewsMeBro wrote:
Willie Kool wrote:I tend to believe that the Big Bang was/is being fueled by past/present/future black holes in our own universe.


Any reason to back up that belief?


Occam's Razor. If we don't need unobservable multidimensional universes to explain something, why go there? That said, I do find string theory fascinating and actually quite intuitively appealing, so I'm not really opposed to their conclusion.


These theories exist because we DO need them to explain things. How do you explain exact values like the cosmological constant or the mass of the Higgs without the multiverse theory or SUSY? Not sure how that deduction is a valid application of Occam's Razor.
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