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Apollo 15' Titanium Tank NASA Space Program Astronaut - eBay (item 290487095168 end tim... - 1 views

cgi.ebay.com/...290487095168
shared by duncan barker on 03 Nov 10 - No Cached
  • duncan barker on 03 Nov 10
     
    Here you can buy the actual titanium fuel tank from the Apollo 18 mission ........... on ebay   :)
  • Ma Ru on 04 Nov 10
     
    Hmmm... could one fill it up, say, with beer?
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European Union Think Tanks - 0 views

www.eu.thinktankdirectory.org EU Research think-tank
shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    European Union Think Tanks
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Norwegian army driving tank using Oculus Rift - 1 views

www.tu.no/...ured-vehicle-using-oculus-rift VR Oculus_Rift tanks space technology
shared by johannessimon81 on 06 May 14 - No Cached
  • johannessimon81 on 06 May 14
     
    I guess it might also make sense to put a camera on an extension to look around corners without having to advance the vehicle to where it can be shot at... ?: Could the Oculus be used to let humans control humanoid robots? I guess so. Could humans perform experiments using such robots? Probably. Could Oculus be used to control these robots on the ISS? I guess so. --> Finally we eliminated the last need for humans in space!!! :-D (Maybe we could replace humans on Earth with robots that control one another through Oculus Rift...)
  • Paul N on 06 May 14
     
    Even cooler would be to have like a swarm of drones around the tank to act as a sensor array and look around corners for you.
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Synthesis of Ultra-Incompressible Superhard Rhenium Diboride at Ambient Pressure -- Chu... - 0 views

www.sciencemag.org/...436 PHY
shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    a new little tool for tank-busters
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Global Futures Studies & Research by the MILLENNIUM PROJECT - 0 views

www.millennium-project.org LTP futures future studies foresight crowdsourcing
shared by Tobias Seidl on 13 Jul 09 - Cached
  • Tobias Seidl on 13 Jul 09
     
    The Millennium Project is a global participatory futures research think tank of futurists, scholars, business planners, and policy makers who work for international organizations, governments, corporations, NGOs, and universities. The Millennium Project manages a coherent and cumulative process that collects and assesses judgements from its several hundred participants to produce the annual "State of the Future", "Futures Research Methodology" series, and special studies such as the State of the Future Index, Future Scenarios for Africa, Lessons of History, Environmental Security, Applications of Futures Research to Policy, and a 700+ annotated scenarios bibliography.
  • LeopoldS on 14 Jul 09
     
    very nice page - we should use some of its resources!!
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Engineers identify how to keep surfaces dry underwater - 1 views

phys.org/...15-08-surfaces-underwater.html technology
shared by Thijs Versloot on 24 Aug 15 - No Cached
johannessimon81 and jcunha liked it
  • Thijs Versloot on 24 Aug 15
     
    When submerged, water tends to cling to the top of the spikes, while air and water vapor accrue in the pores between them. The combination of trapped air and water vapor within these cavities forms a gaseous layer that deters moisture from seeping into the surface below. More materials with amazing properties. Might even be usefull for liquid fuel tanks?
  • johannessimon81 on 01 Sep 15
     
    I don't quite see how the trapped water vapor keeps the water out of the cavities... since the vapor is at the same low temperature as the water it should hardly exert any pressure at all. One would expect though that surface tension keeps water out of smaller cavities because it tries to minimize surface area. If the water would enter the cavities it would need increase its surface area dramatically which in turn is energetically unfavorable. Interesting application would also be in non-wetting electronics which might make cooling of circuitry a lot easier: you just sink your data center.
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Failed strut caused SpaceX rocket blast: CEO Elon Musk - 3 views

phys.org/...t-spacex-rocket-blast-ceo.html launchers SpaceX Falcon9 space_flight technology
shared by Nina Nadine Ridder on 21 Jul 15 - No Cached
  • Nina Nadine Ridder on 21 Jul 15
     
    The SpaceX Falcon 9 explosion was caused by a failed strut that allowed a helium bottle to burst free inside the rocket's liquid oxygen tank, CEO Elon Musk said Monday. "One of those struts broke free during flight," Musk told reporters on a conference call to discuss the June 28 blast on what was supposed to be a routine cargo mission to the International Space Station.
  • Thijs Versloot on 21 Jul 15
     
    I guess this is how it starts as they mentioned they will inspect struts individually before each flight. Also for the space shuttle they believed a rapid inspection between launches would be feasible, but in the end there was a need for individual assessment almost. And we haven't even considered human spaceflight yet.
  • LeopoldS on 21 Jul 15
     
    as predicted, first failure, first inquiry board, first new safety procedures ... and certainly many more will follow and all will make sense but with the risk of loosing the competitive edge
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An evil atmosphere is forming around geoengineering - 0 views

www.newscientist.com/...ing-around-geoengineering.html climate_change geoengineering climato_sceptics
shared by pacome delva on 22 Jul 10 - Cached
  • A number of right-wing think tanks actively denying climate change are also promoting geoengineering, an irony that seems to escape them.
  • Wood believes that climate engineering is inevitable. In a statement that could serve as Earth's epitaph, he declared: "We've engineered every other environment we live in, why not the planet?"
  • It's estimated that if whoever controls the scheme decided to stop, the greenhouse gases that would have built up could cause warming to rebound at a rate 10 to 20 times that of the recent past - a phenomenon referred to, apparently without irony, as the "termination problem".
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directional fluid collection using biomimetic knots - 3 views

physicsworld.com/...41622 bio space phy
shared by Nicholas Lan on 08 Feb 10 - Cached
  • Nicholas Lan on 08 Feb 10
     
    could it be useful in e.g. propellant tanks?
  • Tobias Seidl on 14 Feb 10
     
    did you see the quote of Andrew Martin at the bottom of the text? he was in the cockroach project.
  • Nicholas Lan on 15 Feb 10
     
    ah. interesting
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Betting on Green - 5 views

www.economist.com/18304172 technology economics innovation
shared by Nicholas Lan on 16 Mar 11 - No Cached
  • Nicholas Lan on 16 Mar 11
     
    breakthroughs vs. accelerated deployment in climate change mitigation technologies.
  • ...2 more comments...
  • LeopoldS on 17 Mar 11
     
    interesting guy indeed ... "Forget today's green technologies like electric cars, wind turbines, solar cells and smart grids, in other words. None meets what Mr Khosla calls the "Chindia price"-the price at which people in China and India will buy them without a subsidy. "Everything's a toy until it reaches that point," he says. I also like this one since its a bit like ACT topic selection: ""I am only interested in technologies that have a 90% chance of failure but, if they do succeed, would change the infrastructure of society in some radical way," he says." should we propose SPS to him ? :-)
  • LeopoldS on 17 Mar 11
     
    one more: ""I never compute returns. If you start forecasting cash flows, you lose innovation, you lose instinct. You average yourself down to mediocrity." "I've had many more failures than successes in my life," admits Mr Khosla. "My willingness to fail gives me the ability to succeed."
  • Nicholas Lan on 17 Mar 11
     
    indeed. puts me in mind of the often reinvented private ACT idea. actually there's a bunch of interesting looking articles on his website. http://www.khoslaventures.com/khosla/papers.html . No sps in the solar one as far as i can tell :) found this bit intriguing too in that, albeit presumably out of context, it doesn't make sense ""The solution to our energy problems is almost the exact opposite of what Khosla says," declares Joseph Romm, who is the editor of Climate Progress, an influential climate blog, and a senior fellow at the Centre for American Progress Action Fund, a think-tank. "Technology breakthroughs are unlikely to be the answer. Accelerated deployment of existing technologies will get you down the cost curve much more rapidly than a breakthrough."" found this seemingly not very well considered piece (to be fair a blog post) by the guy http://climateprogress.org/2010/07/02/is-anyone-more-incoherent-than-vinod-khosla/ . maybe he's written some more convincing stuff in this vein somewhere.
  • Ma Ru on 25 Apr 11
     
    "Mr Khosla (...) is investing over $1 billion of his clients' money in black swans" Well, with his own money his approach might be a little different :-)
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Expert panel urges NASA to revive futuristic think tank - space - 07 August 2009 - New ... - 0 views

www.newscientist.com/...dn17568
shared by Francesco Biscani on 09 Aug 09 - Cached
  • NASA should revive its Institute for Advanced Concepts, a blue-skies idea mill that closed in 2007, says an expert panel – but it says the new incarnation should have its feet a little closer to the ground.
  • Francesco Biscani on 09 Aug 09
     
    NASA should revive its own ACT, expert panel says.
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#LEGO car running on compressed air - 0 views

www.engadget.com/...uns-on-compressed-air-insanity fun lego
shared by Thijs Versloot on 19 Dec 13 - No Cached
  • Thijs Versloot on 19 Dec 13
     
    500000 lego bricks, a tank of compressed air, some mechanical engineering and a lot of time later...
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