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3D printed sonic tractor beam - 2 views

aip.scitation.org/...1.4972407 technology additive manufacturing DIY
shared by jcunha on 09 Jan 17 - No Cached
  • jcunha on 09 Jan 17
     
    A good DIY project - build a tractor beam using 3D printed parts. The 3D files and research are available for download. A new way for microgravity research @fichbio ?
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The Amazing Trajectories of Life-Bearing Meteorites from Earth - Technology Review - 0 views

www.technologyreview.com/...27720 BIO life meteorite microbes
shared by Luís F. Simões on 11 Apr 12 - No Cached
  • That raises another interesting question: how quickly could life-bearing ejecta from Earth (or anywhere else) seed the entire galaxy? Hara and co calculate that it would take some 10^12 years for ejecta to spread through a volume of space the size of the Milky Way. But since our galaxy is only 10^10 years old, a single ejection event could not have done the trick. However, they say that if life evolved at 25 different sites in the galaxy 10^10 years ago, then the combined ejecta from these places would now fill the Milky Way.
  • Ref: arxiv.org/abs/1204.1719: Transfer of Life-Bearing Meteorites from Earth to Other Planets
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NASA challenges designers to construct habitat for deep space exploration - 3 views

phys.org/...at-deep-space-exploration.html technology architech competition FUN 3D printer
shared by jcunha on 19 May 15 - No Cached
  • jcunha on 19 May 15
     
    NASA is setting a $2.25 million competition to design and build a 3-D printed habitat for deep space exploration - new task for the future architect of the team?
  • Paul N on 26 May 15
     
    I kind of like Thijs's space mirror ablation method as a way of printing :))
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3D-printing synthetic tissues - 0 views

www.kurzweilai.net/3d-printing-synthetic-tissues BIO science technology
shared by johannessimon81 on 19 Jun 13 - No Cached
  • johannessimon81 on 19 Jun 13
     
    "The new type of material consists of tens of thousands of picoliter connected water droplets encapsulated within lipid films, which can perform some of the functions of the cells inside our bodies."
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Researchers design metamaterial that buckles selectively - 4 views

phys.org/...5-06-metamaterial-buckles.html PHY space FUN buckling 3D-print
shared by jcunha on 11 Jun 15 - No Cached
  • jcunha on 11 Jun 15
     
    New 3D printed macro structure exhibits selective buckling open the way for custom shape-memory materials found our neighbor scientists from the Lorentz Institut of the Leiden University. Wonder if it can be applied for self-assembled deployment of structures.
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Fabbaloo - Fabbaloo Blog - Sintering the Moon - 0 views

fabbaloo.com/...sintering-the-moon.html moon construction technology space printing rapid manufacturing
shared by Juxi Leitner on 22 Jul 10 - Cached
  • So let's recap here: ubiquitous uniformly-powdery lunar soil can be very efficiently fused using microwaves. That sounds very similar to technologies used in 3D printing,
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Thin-Film Solar Startup Debuts With $4 Billion in Contracts | Wired Science | Wired.com - 0 views

www.wired.com/...nanosolar solar renewable energy thin film nano
shared by nikolas smyrlakis on 10 Sep 09 - Cached
LeopoldS liked it
  • nikolas smyrlakis on 10 Sep 09
     
    A startup with a secret recipe for printing cheap solar cells on aluminum foil debuted today, in what could end up a milestone.
  • LeopoldS on 12 Sep 09
     
    fantastic!!!
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Turbinenschaufeln aus dem Drucker - 0 views

www.heise.de/...109862 technology manufacturing
shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    Forget our technolgy forecast: It seems already possible to 3D-print metallic particles.
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Solar Sinter melts sand into 3D-printed glass (Wired UK) - 5 views

www.wired.co.uk/...solar-sinter technology 3D-printed
shared by andreiaries on 27 Jun 11 - No Cached
LeopoldS liked it
  • andreiaries on 27 Jun 11
     
    "When in the desert he came up with the idea to use the two dominating features in the desert -- the sun and the sand -- in his next project.". I wonder where we should send him next.
  • Ma Ru on 27 Jun 11
     
    Arts project with implications for space science... Awesome! Note how this guy is dressed in the middle of an Egyptian desert, lol...
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Biomimetic 4D printing : Nature Materials : Nature Publishing Group - 0 views

www.nature.com/...nmat4544.html printing nature materials
shared by jaihobah on 26 Jan 16 - No Cached
LeopoldS liked it
  • jaihobah on 26 Jan 16
     
    Shape-morphing structures inspired by nastic plant motions...
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Could the first lunar habitat be 3D-printed with moon dust? - 0 views

edition.cnn.com/...index.html habitat moon
shared by darioizzo2 on 18 Dec 20 - No Cached
  • darioizzo2 on 18 Dec 20
     
    Nice renders!!!
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In Asteroid's Aftermath, a Sigh of Relief - NYTimes.com - 0 views

www.nytimes.com/...ftermath-a-sigh-of-relief.html asteroids
shared by LeopoldS on 25 Mar 13 - No Cached
  • LeopoldS on 25 Mar 13
     
    nice story, especially on the idea of using the lenin statue and lamp post shadows to determine the trajectory of the asteroid
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Asteroid mining could lead to self-sustaining space stations - VIDEO!!! - 5 views

www.guardian.co.uk/...id-mining-space-stations-video fun
shared by johannessimon81 on 23 Jan 13 - No Cached
  • johannessimon81 on 23 Jan 13
     
    Let's all start up some crazy space companies together: harvest hydrogen on Jupiter, trap black holes as unlimited energy supplies, use high temperatures close to the sun to bake bread! Apparently it is really easy to do just about anything and Deep Space Industries is really good at it. Plus: in their video they show Mars One concepts while referring to ESA and NASA.
  • ...3 more comments...
  • Marcus Maertens on 23 Jan 13
     
    I really wonder what they wanna mine out there? Is there such a high demand on... rocks?! And do they really think they can collect fuel somewhere?
  • Wiktor Piotrowski on 24 Jan 13
     
    Well they want to avoid having to send resources into space and rather make it all in space. The first mission is just to find possible asteroids worth mining and bring some asteroid rocks to Earth for analysis. In 2020 they want to start mining for precious metals (e.g. nickel), water and such.They also want to put up a 3D printer in space so that it would extract, separate and/or fuse asteroidal resources together and then print the needed structures already in space. And even though on earth it's just rocks, in space a tonne of them has an estimated value of 1 million dollars (as opposed to 4000 USD on Earth). Although I like the idea, I would put DSI in the same basket as those Mars One nutters 'cause it's not gonna happen.
  • johannessimon81 on 25 Jan 13
     
    I will get excited once they demonstrate they can put a random rock into their machine and out comes a bicycle (then the obvious next step is a space station).
  • Joris _ on 26 Jan 13
     
    hmm aside from the technological feasibility, their approach still should be taken as an example, and deserve a little support. By tackling such difficult problems, they will devise innovative stuffs. Plus, even if this doom-to-fail endeavour may still seem you useless, it creates jobs and make people think... it is already a positive! Final word: how is that different from what Planetary Resources plan to do? It is founded by a bunch of so-called "nuts" ... (http://www.planetaryresources.com/team/) ! a little thought: "We must never be afraid to go too far, for success lies just beyond" - Proust
  • johannessimon81 on 28 Jan 13
     
    I don't think that this proposal is very different from the one by Planetary Resources. My scepticism is rooted in the fact that - at least to my knowledge - fully autonomous mining technology has not even been demonstrated on Earth. I am sure that their proposition is in principle (technically) feasible but at the same time I do not believe that a privately funded company will find enough people to finance a multi-billion dollar R&D project that may or may not lead to an economically sensible outcome, i.e. generate profit (not income - you have to pay back the R&D cost first) within the next 25 years. And on that timescale anything can happen - for all we know we will all be slaves to the singularity by the time they start mining. I do think that people who tackle difficult problems deserve support - and lots of it. It seems however that up till now they have only tackled making a promotional video... About job creation (sorry for the sarcasm): if usefulness is not so important my proposal would be to give shovels to two people - person A digs a hole and person B fills up the same hole at the same time. The good thing about this is that you can increase the number of jobs created simply by handing out more shovels.
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Material that shrinks in heat can weather extreme temperatures - 3 views

www.newscientist.com/...n-weather-extreme-temperatures AMA material technology
shared by johannessimon81 on 27 Oct 16 - No Cached
  • johannessimon81 on 27 Oct 16
     
    Meet the incredible shrinking material. Most things swell when they warm up, creating engineering headaches, but now a 3D-printed material has been configured to contract instead. When two interlinked materials expand at different rates, they can warp or crack. It's a problem in buildings, bridges, electronics and anything else that is exposed to a wide temperature swing.
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Alice and Bob in Cipherspace » American Scientist - 1 views

www.americanscientist.org/...issue.aspx INF cryptography
shared by Luís F. Simões on 11 Sep 12 - No Cached
  • A new form of encryption allows you to compute with data you cannot read
  • The technique that makes this magic trick possible is called fully homomorphic encryption, or FHE. It’s not exactly a new idea, but for many years it was viewed as a fantasy that would never come true. That changed in 2009, with a breakthrough discovery by Craig Gentry, who was then a graduate student at Stanford University. (He is now at IBM Research.) Since then, further refinements and more new ideas have been coming at a rapid pace.
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Hacking your 3D printer (video) - 0 views

gizmodo.com/y-skilled-air-hocke-1518317429 technology fun robotics
shared by Thijs Versloot on 10 Feb 14 - No Cached
  • Thijs Versloot on 10 Feb 14
     
    Why print stuff if you can turn it into an amazing air hockey table! Note, you will probably keep losing...
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Robot arm prints directly in metal - 0 views

www.core77.com/...etal_out_of_thin_air_26474.asp technology
shared by Paul N on 21 Feb 14 - No Cached
  • Paul N on 21 Feb 14
     
    Because plastic is lame
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Singularity University, class of 2010: projects that aim to impact a billion people wit... - 8 views

www.kurzweilai.net/ty-webinar-today-sneak-preview AI robotics biomedicine biotechnology electronics energy nanotechnology singularity futures social ethics space synthetic biology computer science defence
shared by Luís F. Simões on 22 Sep 10 - No Cached
  • Luís F. Simões on 22 Sep 10
     
    At the link below you find additional information about the projects: Education: Ten weeks to save the world http://www.nature.com/news/2010/100915/full/467266a.html
  • ...8 more comments...
  • LeopoldS on 23 Sep 10
     
    this is the podcast I was listening to ...
  • Dario Izzo on 23 Sep 10
     
    We can do it in nine :)
  • LeopoldS on 24 Sep 10
     
    why wait then?
  • Juxi Leitner on 24 Sep 10
     
    hmm, wonder how easy it is to get funding for that, 25k is a bit steep for 10weeks :)
  • Dario Izzo on 26 Sep 10
     
    well, we wait for the same fundings they get and then we will do it in nine.... as we say in Rome "a mettece un cartello so bboni tutti". (italian check for Juxi)
  • LeopoldS on 26 Sep 10
     
    and what you think about the project subjects?
  • LeopoldS on 26 Sep 10
     
    I like the fact that there are quite a lot of space projects .... and these are not even bad in my view: The space project teams have developed imaginative new solutions for space and spinoffs for Earth. The AISynBio project team is working with leading NASA scientists to design bioengineered organisms that can use available resources to mitigate harsh living environments (such as lack of air, water, food, energy, atmosphere, and gravity) - on an asteroid, for example, and also on Earth . The SpaceBio Labs team plans to develop methods for doing low-cost biological research in space, such as 3D tissue engineering and protein crystallization. The Made in Space team plans to bring 3D printing to space to make space exploration cheaper, more reliable, and fail-safe ("send the bits, not the atoms"). For example, they hope to replace some of the $1 billion worth of spare parts and tools that are on the International Space Station.
  • Dario Izzo on 26 Sep 10
     
    and all in only a three months summer graduate program!! that is impressive. God I feel so stupid!!!
  • LeopoldS on 26 Sep 10
     
    well, most good ideas probably take only a second to be formulated, it's the details that take years :-)
  • Dario Izzo on 26 Sep 10
     
    I do not think the point of the SU is to formulate new ideas (infact there is nothing new in the projects chosen). Their mission is to build and maintain a network of contacts among who they believe will be the 'future leaders' of space ... very similar to our beloved ISU.
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The physics of flying snakes - 1 views

arxiv.org/1309.2969 bio science
shared by Thijs Versloot on 01 Nov 13 - No Cached
  • Thijs Versloot on 01 Nov 13
     
    The researchers have created two-dimensional computer models of the flying snakes, but they've also done real-world simulations - using 3D printed components in water tunnels. Both show that snake-shaped objects would get a special aerodynamic pop should they tilt their bodies at 35 degrees as they drop from tree branches.
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3D Printable Graphene Composite - 1 views

www.nature.com/srep11181 technology energy storage graphene 3d
shared by Thijs Versloot on 21 Jul 15 - No Cached
LeopoldS liked it
  • Thijs Versloot on 21 Jul 15
     
    Both graphene and 3d printing has been around for quite a while, but combined they could provide unique properties of materials, eg in the use of high performance 3d batteries. This paper gives a nice overview of what has been done in the field up to now.
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