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Science!

PostRe: Science! by RubberJonny

www.youtube.com Video from : www.youtube.com
- Source.
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» Mon Feb 11, 2013 3:21 pm «Top

PostRe: Science! by AngryCrocodile

http://blog.eyewire.org/the-eyewire-gam ... n-details/

Play a game to map the neurons in the eye anyone?
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» Thu Feb 14, 2013 2:11 pm «Top

PostRe: Science! by RubberJonny

AngryCrocodile wrote: http://blog.eyewire.org/the-eyewire-gam ... n-details/
Play a game to map the neurons in the eye anyone?
Interesting.
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» Thu Feb 14, 2013 3:35 pm «Top

PostRe: Science! by Runner

An asteroid is passing the earth at an unusually close proximity:
http://www.bbc.co.uk/news/science-environment-21469598
Signed Runner

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» Fri Feb 15, 2013 2:02 pm «Top

PostRe: Science! by Chef

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» Tue Mar 12, 2013 1:51 pm «Top

PostRe: Science! by RubberJonny

Chef wrote:
www.youtube.com Video from : www.youtube.com
Old news is old. Good video and fantastic discovery, all the same.

Self healing chip!
Even after they zapped the chip repeatedly with a laser, utterly destroying some of its components, the self-healing system was able to detect the faults, route around them, and continue to function at near-optimal efficiency.

Peace!
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» Tue Mar 12, 2013 2:13 pm «Top

PostRe: Science! by RubberJonny

www.youtube.com Video from : www.youtube.com
Harvard University researchers show how simple, brainless "bristle-bots" exhibit swarming behavior when contained in a small area.
- Source.Swarming, swirling and stasis in sequestered bristle-bots (PDF)

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» Tue Mar 19, 2013 12:21 pm «Top

PostRe: Science! by Runner

The Bristle bots is a very interesting find jonny, cheers
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» Tue Mar 19, 2013 1:19 pm «Top

PostRe: Science! by RubberJonny

Veti-Gel - gel that stops bleeding instantly! The future is now!
“In all of our tests we found we were able to immediately stop bleeding,” says Landolina. “Your skin has this thing called the extracellular matrix,” he explains. “It’s kind of a mesh of molecules and sugars and protein that holds your cells in place.”

Landolina synthesises his own extracellular matrix (ECM) using plant polymers, which can form a liquid when broken up into pieces. He says, “So it goes into the wound and the pieces of the synthetic ECM in the gel will recognise the pieces of the real ECM in the wound and they’ll link together. It will re-assemble into something that looks like, feels like and acts like skin.”
- SourceNSFW (Gore):
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» Thu Mar 21, 2013 1:54 pm «Top

PostRe: Science! by RubberJonny

NASA-backed fusion engine could cut Mars trip down to 30 days
he proposed Fusion Driven Rocket (FDR) is a 150-ton system that uses magnetism to compress lithium or aluminum metal bands around a deuterium-tritium fuel pellet to initiate fusion. The resultant microsecond reaction forces the propellant mass out at 30 kilometers per second, and would be able to pulse every minute or so and not cause g-force damage to the spacecraft's occupants.

The spent fuel pellet is ejected behind the motor to provide propulsion, and because the whole process is magnetically controlled there's relatively little wear and tear on the engines. A pellet the size of a grain of sand would provide the same propellant as a gallon of conventional rocket fuel.

All this requires electrical power to control and contain the reaction, but Dr. Anthony Pancotti, an advanced propulsion engineer with the team, told The Register that the advantages of magnetic inertial confinement fusion (over that requiring massive lasers, for example) mean that the spacecraft could power itself on solar energy alone.

"It's very scalable; we can achieve fusion at a much smaller scale," he said. "We could run the designed engine off 200KW of solar panels, which is about the same power as generated by the panels around the International Space Station"

Using the FDR system, flight times to the Red Planet could take between 30 and 90 days, compared to over eight months that it took to send the Curiosity rover to Mars. The 30-day trip would require three days of engine operation to get the spacecraft up to speed and another three to slow it down into orbit around Mars.

Such a motor would also be considerably cheaper to launch than a chemical rocket system, since there is much less fuel to hoist out of the gravity well before it starts a trip. The proposed design for a 150-ton spacecraft would allow around a third of that mass to be used for cargo – human or otherwise – and the reduced flight time would reduce the exposure of astronauts to the effects of solar radiation.
Fuck yeah!

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» Thu Apr 11, 2013 1:32 pm «Top