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Old 05-21-2012, 09:43 PM  
Fish Fish is offline
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Science is Cool....

This is a repository for all cool scientific discussion and fascination. Scientific facts, theories, and overall cool scientific stuff that you'd like to share with others. Stuff that makes you smile and wonder at the amazing shit going on around us, that most people don't notice.

Post pictures, vidoes, stories, or links. Ask questions. Share science.

This is in support of the Penny 4 NASA project. If you enjoy anything you learned from this thread, consider making a donation and signing the petition.

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Last edited by Fish; 01-07-2013 at 07:55 AM..
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Old 10-23-2014, 03:35 PM   #2011
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Old 10-23-2014, 03:41 PM   #2012
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Damn thing has been orbiting up there for 2 years. No clue WTF it's been doing. Probably aliens....

Secret Spaceplane Lands After 674 Days In Orbit



The X-37B Orbital Test Vehicle’s third mission (OTV-3) came to an end on October 17 when the unmanned craft landed safely and autonomously at Vandenberg Air Force Base in southern California after 675 days in orbit. Altogether, the three missions have totaled 1367 days, and a fourth mission is expected to launch from Cape Canaveral in Florida sometime in 2015. The project, headed by Air Force Space Command (AFSPC) and Defense Advanced Research Projects Agency (DARPA), is classified. As such, no one really knows what OTV-3 has been doing up there for nearly 2 years.

The Air Force has been fairly vague about the mission. The spaceplane was said to be testing “advanced guidance, navigation and control, thermal protection systems, avionics, high temperature structures and seals, conformal reusable insulation, lightweight electromechanical flight systems, and autonomous orbital flight, reentry and landing.”

The Boeing X-37B is a modified version of the NASA’s X-37 design. The unmanned craft intended for low Earth orbit looks like a smaller version of the space shuttle at only 29-feet-long with a 15-foot wingspan. Like the space shuttle, it is launched vertically using Atlas V rockets, though it is able to land horizontally on a runway, like a plane. Solar panels charge the spaceplane’s lithium ion batteries once it has left Earth’s atmosphere. Though it was designed to remain in orbit for 270 days, it has far exceeded those expectations.

The Air Force claims that the objectives of the X-37B are to develop “reusable spacecraft technologies for America's future in space and operating experiments which can be returned to, and examined, on Earth.” However, it doesn’t seem likely that it will be used to retrieve satellites. Its cargo area is rather small at about 7 feet by 4 feet, so it is not clear what it could be carrying or what its payload might have been during OTV-3.

The latitudes at which it was observed while in orbit rules out any chance it could have been doing reconnaissance on Russia. If it were doing data collection, it was likely targeting the Middle East, Southeast Asia, or Northern Africa—none of which would be particularly surprising.

The secrecy of the mission and the fact that DARPA and the Air Force are at the helm have caught the attention of conspiracy theorists who love to speculate. Some have asserted that the X-37B was used for deploying bombs, interfering with satellites of other countries, spying on China’s upcoming space station, among other theories. However, many of these are not practical for the X-37B’s design.

It’s hard to tell exactly when the X-37B’s purpose will be revealed. Unless AFSPC decides to release that information, the documents could remain classified for a long time. According to Executive Order 13526, all documents are to be unclassified after a period of 25 years. However, under extenuating circumstances, the documents describing the mission could remain classified indefinitely.
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Old 10-23-2014, 03:51 PM   #2013
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Finally... geez...



Laboratory-Grown Penises Ready To Be Tested In Humans

Scientists at the Wake Forest Institute for Regenerative Medicine could be offering new hope to men with genital abnormalities or injuries in as little as five years, thanks to one of their many tissue engineering endeavors: lab-grown penises.

While that may sound a little far-out, these guys are among the world leaders in regenerative medicine and they’ve achieved some remarkable things in the past. Back in 1999, they became the first in the world to successfully implant a lab-grown organ into humans—a bladder. Since then, they’ve transplanted engineered vaginas into women born with defects or without vaginas entirely, and have started working on growing tissues and organs for more than 30 different areas of the body.

Team leader Anthony Atala began this genital journey back in 1992, but it was not until 2008 that the scientists proved transplanting engineered penises was theoretically possible. Having spent a considerable amount of time working out the best way to engineer these tricky organs, the team managed to grow 12 functioning penises for rabbit subjects. After grafting them on to the recipients, all tried to mate with a female, eight successfully ejaculated, and four produced offspring. While these results were certainly encouraging, gaining approval for human trials is another kettle of fish. However, Atala is confident that it could be granted by the FDA within five years if they can prove the technique is safe.

So how do they do it? They first obtain a donor penis and strip all the cells from it with a detergent. The researchers are then left with a collagen scaffold which they then seed with a combination of cultivated smooth muscle and endothelial cells from the recipient. Using the patient's own cells eliminates the risk of immunological rejection that often occurs when transplants are given from another individual. However, because the cells are taken from the male’s genitals, it means that the procedure could not be used for female-to-male sex reassignment surgery.

The team has already engineered six human penises that are ready for transplantation; if approval for trials is granted and they prove to be a success, the researchers hope that they could be used all over the world to help people with a variety of problems. In particular, they envisage them being used in men who have suffered from traumatic injuries, for example those returning from the battlefield. However, they could also be used in individuals with congenital abnormalities, or children born with a disorder known as ambiguous genitalia. In the majority of instances, boys born with this condition are given a sex-change at birth, which can lead to serious psychological problems throughout life.

This technique also offers a vast improvement from existing penis replacement options, which are far from ideal. The procedure involves constructing a penis from thigh or forearm tissue and then inserting a prosthetic inside in order to achieve sexual function. The prosthetic is either a permanently rigid rod that is difficult to conceal, or an inflatable rod that requires a pump.

Although the team is hoping to be able to replace entire penises when they initiate trials, they think that a more realistic goal is to start with partial replacements, for example helping patients with erectile dysfunction.
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Old 10-23-2014, 03:56 PM   #2014
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I've wondered about this, and I need someone much smarter than me to explain it, but what prevents us from burning methane/human or animal waste to fuel power?
**** if i know dude. I wish i could explain something like that.I just thought that video was pretty interesting
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Old 10-28-2014, 06:12 PM   #2015
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Well this happened today

http://youtu.be/UYmDM_MW03Q
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Old 10-28-2014, 06:20 PM   #2016
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Well this happened today

http://youtu.be/UYmDM_MW03Q
That sucks.
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