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Luís F. Simões

Nature's special issue on Interdisciplinarity - 2 views

  • Nature’s special issue probes how scientists and social scientists are coming together to solve the grand challenges of energy, food, water, climate and health. This special scrutinizes the data on interdisciplinary work and looks at its history, meaning and funding. A case study and a reappraisal of the Victorian explorer Richard Francis Burton explore the rewards of breaking down boundaries. Meanwhile, a sustainability institute shares its principles for researchers who work across disciplines. Thus inspired, we invite readers to test their polymathy in our lighthearted quiz.
johannessimon81

Scientists engineer shortcut for photosynthetic glitch, boost crop growth by 40 percent - 3 views

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    Did we just solve overpopulation and climate change? With 40% more efficient crops we could easily sustain 10+ billion people on Earth. And 40% more efficient plants would absorb much more CO2 than we are emitting (currently: artificial CO2 emission ~29 GT/y, photosynthesis CO2 capture through plants ~450 GT/y) I am usually very worried about the risks of climate change, but this could be a real game changer!
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    I love the car animation!
Luís F. Simões

Singularity University, class of 2010: projects that aim to impact a billion people within ten years - 8 views

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    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
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    this is the podcast I was listening to ...
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    We can do it in nine :)
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    why wait then?
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    hmm, wonder how easy it is to get funding for that, 25k is a bit steep for 10weeks :)
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    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)
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    and what you think about the project subjects?
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    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.
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    and all in only a three months summer graduate program!! that is impressive. God I feel so stupid!!!
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    well, most good ideas probably take only a second to be formulated, it's the details that take years :-)
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    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.
Dario Izzo

Tabby's Star 2017 update: 'Alien megastructure' doing weird things again - 1 views

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    Its doing it again. Anyone wants to play the "explain this" game?
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    New debates on 'old' topic: https://phys.org/news/2018-01-alien-megastructure-dimming-mysterious-star.html? see blog posts in link for more info
santecarloni

Space-time cloak could hide events : Nature News - 3 views

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    I think they are taking it a bit too far....
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    I'm a little bit surprised as well about the crude story of the burglar, pure nonsense, of course! But the paper is deadly serious, Alberto and Paul are my best collaborators in metamaterials and optics, they are not this type of TV-show scientists as Leonhardt etc. But as Alberto told me: just put the name "cloak" in the title and you're in all the news. It's not science, it's kindergarden :-(.
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    is my memory wrong or isn't this what you have already mentioned as theoretically possible a few years back when discussing this, Luzi?
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    Very well possible that I mentioned this. In fact I was one of the first who took spacetime transformations in transformation optics seriously. But first, my name is not Leonhardt and I don't work at Imperial, that's why nobody cites me and second I most probably found the idea too stupid to be published. You see the two reasons why I'm not successful in science...
Luís F. Simões

The AI Revolution: Why Deep Learning Is Suddenly Changing Your Life - 1 views

  • Indeed, corporations just may have reached another inflection point. “In the past,” says Andrew Ng, chief scientist at Baidu Research, “a lot of S&P 500 CEOs wished they had started thinking sooner than they did about their Internet strategy. I think five years from now there will be a number of S&P 500 CEOs that will wish they’d started thinking earlier about their AI strategy.” Even the Internet metaphor doesn’t do justice to what AI with deep learning will mean, in Ng’s view. “AI is the new electricity,” he says. “Just as 100 years ago electricity transformed industry after industry, AI will now do the same.”
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    A good historical overview of the Deep Learning revolution. If you think the quote above is an exageration, here are some fresh news from Microsoft: Internal email: Microsoft forms new 5,000-person AI division
Alexander Wittig

New computer programme replicates handwriting - 2 views

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    In a world increasingly dominated by the QWERTY keyboard, UCL computer scientists have developed software which may spark the comeback of the handwritten word by analysing the handwriting of any individual and accurately replicating it.
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    Similar work has been around for several years: http://www.cs.toronto.edu/~graves/handwriting.html (as mentioned in the video). I think this could be nicely applied for procedurally generated handwritten post cards (e.g. invitation, thank you cards for weddings, funerals, child birth, etc.) where the sender would otherwise have to write dozens of cards. Anybody interested to start a business? ;-P
Luís F. Simões

Alice and Bob in Cipherspace » American Scientist - 1 views

  • 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.
Lionel Jacques

Wasps Can Recognize Faces - 2 views

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    Again, amazing insects! Scientists have discovered that Polistes fuscatus paper wasps can recognize and remember each other's faces with sharp accuracy, a new study suggests.
johannessimon81

Nasa-funded study: industrial civilisation headed for 'irreversible collapse'? - 4 views

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    Sounds relevant. Does ESA need to have a position on this question?
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    This was on Slashdot now, with a link to the paper. It quite an iteresting study actually. "The scenarios most closely reflecting the reality of our world today are found in the third group of experiments (see section 5.3), where we introduced economic stratification. Under such conditions, we find that collapse is difficult to avoid."
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    Interesting, but is it new? In general, I would say that history has shown us that it is inevitable that civilisations get replaced by new concepts (much is published about this, read eg Fog of War by Jona Lendering on the struggles between civilisations in ancient history, which have remarkably similar issues as today, yet on a different scale of course). "While some members of society might raise the alarm that the system is moving towards an impending collapse and therefore advocate structural changes to society in order to avoid it, Elites and their supporters, who opposed making these changes, could point to the long sustainable trajectory 'so far' in support of doing nothing." I guess this bang on it, the ones that can change the system, are not benefitted by doing so, hence enrichment, depletion, short term gain remain and might even accelerate to compensate for the loss in the rest of the system.
Nina Nadine Ridder

New Satellite Maps Reveal Global Ocean Alkalinity - 4 views

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    Innovative techniques that use satellites to monitor ocean acidification are set to revolutionize the way that scientists study the Earth's oceans. This new approach offers remote monitoring of large swathes of inaccessible ocean from satellites, including ESA's Soil Moisture and Ocean Salinity (SMOS) mission.
Joris _

25,000 new asteroids found by NASA's sky mapping - Yahoo! News - 0 views

  • WISE is discovering near-Earth asteroids that are on average larger than what's found by existing telescopes, which should help scientists better calculate their potential threat
nikolas smyrlakis

UNITED KINGDOM SPACE AGENCY UKSA (fake website) - 3 views

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    according to the normal website (http://www.bnsc.gov.uk/): "The UK Space Agency website will officially launch on 1 April 2010. Until then, the BNSC website will be in a state of transition " the guys above i think just take the piss coz theres no official website. Mission statement: TOGETHER WE ARE GOING TO EMBARK ON A JOURNEY INTO SPACE. ..........................THE MISSION IS......MARS................................."
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    I've just read a blog entry about this on New Scientist, and while the entry itself is not interesting, I learned from it where the UKSA and ESA's UK establishment are going to be based. Answer: it's even more in the middle of nowhere than Plymouth! BTW does anyone (Leo?) know what is the basis on which new ESA establishments locations are chosen (if this info is classified, you can send it on priv ;) [Edit] Esa has released a news item about it... Whatever one can say about the British Space Agency, they certainly have a fantastic logo!
Juxi Leitner

Draper MIT Students Test Lunar Hopper with Eyes on Prize | SpaceNews.com - 0 views

  • The testing of the second-generation lunar hopper is being carried out under the supervision of engineers from the nearby Draper Laboratory with an eye toward competing for the Google Lunar X Prize in 2012.
  • Although planetary rovers are not new, the hopper concept could add a new dimension to robotic planetary exploration, one that Tuohy said could inspire a new generation of engineers, technologists and scientists.
Francesco Biscani

Asteroid blast reveals holes in Earth's defences - space - 26 October 2009 - New Scientist - 2 views

  • On 8 October an asteroid detonated high in the atmosphere above South Sulawesi, Indonesia, releasing about as much energy as 50,000 tons of TNT, according to a NASA estimate released on Friday. That's about three times more powerful than the atomic bomb that levelled Hiroshima, making it one of the largest asteroid explosions ever observed.
ESA ACT

Why sand is a walking robot's nightmare - tech - 09 February 2009 - New Scientist - 0 views

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    A new way to move in sand. Which makes me think of the biggest challenge ever: path integration while moving on sand!
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