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Contents contributed and discussions participated by Luís F. Simões

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Luís F. Simões

Evolution of AI Interplanetary Trajectories Reaches Human-Competitive Levels - Slashdot - 4 views

science.slashdot.org/...aches-human-competitive-levels

AI MAD GTOC PaGMO evolutionary computation trajectory optimization awards

shared by Luís F. Simões on 19 Jul 13 - No Cached
  • "It's not the Turing test just yet, but in one more domain, AI is becoming increasingly competitive with humans. This time around, it's in interplanetary trajectory optimization. From the European Space Agency comes the news that researchers from its Advanced Concepts Team have recently won the Gold 'Humies' award for their use of Evolutionary Algorithms to design a spacecraft's trajectory for exploring the Galilean moons of Jupiter (Io, Europa, Ganymede and Callisto). The problem addressed in the awarded article (PDF) was put forward by NASA/JPL in the latest edition of the Global Trajectory Optimization Competition. The team from ESA was able to automatically evolve a solution that outperforms all the entries submitted to the competition by human experts from across the world. Interestingly, as noted in the presentation to the award's jury (PDF), the team conducted their work on top of open-source tools (PaGMO / PyGMO and PyKEP)."
  • Luís F. Simões on 19 Jul 13
     
    We made it to Slashdot's frontpage !!! :)
Luís F. Simões

In Head-Hunting, Big Data May Not Be Such a Big Deal - NYTimes.com - 1 views

www.nytimes.com/...ay-not-be-such-a-big-deal.html

google hiring data mining

shared by Luís F. Simões on 05 Jul 13 - No Cached
LeopoldS liked it
  • Years ago, we did a study to determine whether anyone at Google is particularly good at hiring. We looked at tens of thousands of interviews, and everyone who had done the interviews and what they scored the candidate, and how that person ultimately performed in their job. We found zero relationship. It’s a complete random mess
Luís F. Simões

ARKYD: A Space Telescope for Everyone, by Planetary Resources - Kickstarter - 0 views

www.kickstarter.com/...space-telescope-for-everyone-0

astronomy crowdfunding

shared by Luís F. Simões on 29 May 13 - No Cached
  • Luís F. Simões on 29 May 13
     
    space-related kickstarters moving from cubesats to space telescopes. This funding campaign was launched today, and will last for 32 days. They are asking for 1M USD.
Luís F. Simões

Physicists Discover a Whopping 13 New Solutions to Three-Body Problem - ScienceNOW - 1 views

news.sciencemag.org/...cists-discover-a-whopping.html

MAD

shared by Luís F. Simões on 10 Mar 13 - No Cached
  • The discovery of 13 new families, made by physicists Milovan Šuvakov and Veljko Dmitrašinović at the University of Belgrade, brings the new total to 16.
  • All the solutions can be viewed online
Luís F. Simões

Billion-euro brain simulation and graphene projects win European funds - 1 views

www.nature.com/...cts-win-european-funds-1.12291

brain graphene

shared by Luís F. Simões on 24 Jan 13 - No Cached
  • Luís F. Simões on 24 Jan 13
     
    winners of the Future and Emerging Technologies (FET) Flagship competition (informally) announced
Luís F. Simões

Zeitgeist 2012 - Google - 2 views

www.google.com/...2012

google zeitgeist 2012

shared by Luís F. Simões on 13 Dec 12 - No Cached
LeopoldS liked it
  • 1.2 trillion searches. 146 languages. What did the world search for in 2012?
  • Luís F. Simões on 13 Dec 12
     
    this is a gold mine :D Portugal, a bankrupt country in crisis where the Most Searched How to... is "Como emagrecer" (how to lose weight?). Netherlands, where the Most Searched How to... is "Hoe overleef ik" (how do I survive?) UK where the most Trending What is... is "What is love?" and Italians... please explain how come the top Trending How to... are 1. Come fare Sesso 2. Come fare un Clistere !?!? Respect for Austria though, where the top trending What is... are: 1. Was ist ACTA 2. Was ist SOPA any other interesting finds?
Luís F. Simões

Dance Your Ph.D.: And The Winner Is... - ScienceNOW - 2 views

news.sciencemag.org/...our-phd-and-the-winner-is.html

fun PhD art

shared by Luís F. Simões on 13 Nov 12 - No Cached
LeopoldS liked it
  • The competition challenges scientists around the world to explain their research through the most jargon-free medium available: interpretive dance. The 36 Ph.D. dances submitted this year include techniques such as ballet, break dancing, and flaming hula hoops. Those were whittled down to 12 finalists by the past winners of the contest. Those finalists were then scored by a panel of judges that included scientists, educators, and dancers.
Luís F. Simões

in 1918: Unbelievable Time Required to Cover Immense Distances of Space - 5 views

modcult.org/...ver-immense-distances-of-space

fun future space history

shared by Luís F. Simões on 31 Oct 12 - No Cached
  • Luís F. Simões on 31 Oct 12
     
    some nice retro-futurology :) according to the reddit thread, this is "from the children's encyclopedia series Our Wonder World, printed around 1918. Published by Geo. L. Shuman & Co."
Luís F. Simões

NASA Turns to 3D Printing for Self-Building Spacecraft | Space.com - 4 views

www.space.com/sa-spacecraft-3d-printing.html

cubesat 3D printing NIAC

shared by Luís F. Simões on 17 Sep 12 - No Cached
LeopoldS liked it
  • SpiderFab Concept CREDIT: Unlimited Tethers
  • Luís F. Simões on 17 Sep 12
     
    CubeSats + 3D printing... for space. I'm surprised this isn't an ACT project :) more info: SpiderFab: Process for On-Orbit Construction of Kilometer-Scale Apertures
Luís F. Simões

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.
Luís F. Simões

How copyright enforcement robots killed the Hugo Awards - 1 views

io9.com/...-robots-killed-the-hugo-awards

AI copyright censorship politics sci-fi

shared by Luís F. Simões on 04 Sep 12 - No Cached
LeopoldS liked it
  • Luís F. Simões on 04 Sep 12
     
    We are living in the future when live broadcasts are being censored by AI programs in real-time. I'm sure dictators everywhere are looking forward for these technologies to mature. Having a firewall over reality is so convenient.
Luís F. Simões

The Emerging Revolution in Game Theory - Technology Review - 2 views

www.technologyreview.com/...ging-revolution-in-game-theory

game theory evolution cooperation

shared by Luís F. Simões on 21 Aug 12 - No Cached
  • The world of game theory is currently on fire. In May, Freeman Dyson at Princeton University and William Press at the University of Texas announced that they had discovered a previously unknown strategy for the game of prisoner's dilemma which guarantees one player a better outcome than the other. That's a monumental surprise. Theorists have studied Prisoner's Dilemma for decades, using it as a model for the emergence of co-operation in nature. This work has had a profound impact on disciplines such as economics, evolutionary biology and, of course, game theory itself. The new result will have impact in all these areas and more.
  • Ref: arxiv.org/abs/1208.2666: Winning isn't everything: Evolutionary stability of Zero Determinant strategies
Luís F. Simões

NASA will send robot drill to Mars in 2016 - The Washington Post - 0 views

www.washingtonpost.com/...1-9ddc-340d5efb1e9c_story.html

NASA Mars drill

shared by Luís F. Simões on 21 Aug 12 - No Cached
  • A German-built drill nicknamed “The Mole” will pound 16 feet into the Martian crust to take the temperature of the planet, while a sensitive French-built seismometer will detect any Marsquakes.
  • Luís F. Simões on 21 Aug 12
     
    slashdot describes the drill as "a self-driving mole developed by the German space agency (DLR)". This seems to be the drill: GEMS - a mole to explore the interior of Mars, http://dx.doi.org/10.1109/OCEANSE.2009.5278132. Interesting news for all the roots people :)
Luís F. Simões

Poison Attacks Against Machine Learning - Slashdot - 1 views

tech.slashdot.org/...tacks-against-machine-learning

machine learning classification security

shared by Luís F. Simões on 23 Jul 12 - No Cached
  • Support Vector Machines (SVMs) are fairly simple but powerful machine learning systems. They learn from data and are usually trained before being deployed.
  • In many cases they need to continue to learn as they do the job and this raised the possibility of feeding it with data that causes it to make bad decisions. Three researchers have recently demonstrated how to do this with the minimum poisoned data to maximum effect. What they discovered is that their method was capable of having a surprisingly large impact on the performance of the SVMs tested. They also point out that it could be possible to direct the induced errors so as to produce particular types of error.
  • Luís F. Simões on 23 Jul 12
     
    http://arxiv.org/abs/1206.6389v2 for Guido; an interesting example of "takeover" research
Luís F. Simões

Raspberry Pi in space: Putting the Linux PC into orbit | ZDNet - 0 views

www.zdnet.com/linux-pc-into-orbit-7000000577

INF Raspberry Pi robotics cubesat

shared by Luís F. Simões on 16 Jul 12 - No Cached
  • A thriving home-brew community is already putting the credit card-sized PC to use in drones and robots. The device's designer, Eben Upton, wants to see it in rockets and satellites, too
  • Luís F. Simões on 16 Jul 12
     
    related: Raspberry Pi Computer To Cross The Atlantic Ocean In Autonomous Boat
Luís F. Simões

Higgs Boson Particles being sold on eBay ! - 0 views

www.ebay.com.au/...251100388854

PHY FUN

shared by Luís F. Simões on 05 Jul 12 - No Cached
  • Luís F. Simões on 05 Jul 12
     
    "Higgs Boson partices - guaranteed to satisfy! Need mass in your objects? Get some Higg Bosons!" "The Higgs Boson particles are SOLD WITH THE JAR! You may not be able to SEE the Higgs Boson particles unless you use a large hadron collider." "Q: Since it is, after all, the god particle; can you observe closely and tell use what religion it is?"
Luís F. Simões

Our approach to replication in computational science - 2 views

ivory.idyll.org/...replication-i

science research publications open science

shared by Luís F. Simões on 13 Apr 12 - No Cached
  • So what did we do to make this paper extra super replicable? If you go to the paper Web site, you'll find:
  • p.s. I think I have to refer to this cancer results not reproducible paper somewhere. Done.
  • Luís F. Simões on 13 Apr 12
     
    good discussion on the replicability/reproducibility of scientific results (also a nice example of how to do it right... in bioinformatics at least)
Luís F. Simões

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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