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Tobias Seidl

Photosynthesis: Quantum design for a light trap : Article : Nature - 0 views

www.nature.com/...463614a.html

BIO PHY quantum photosynthesis

shared by Tobias Seidl on 04 Feb 10 - Cached
  • Tobias Seidl on 04 Feb 10
     
    Quantum-stuff in bio-stuff. Finally! Anyone wants to work on biomimetic quantum theory?
  • Luzi Bergamin on 04 Feb 10
     
    I'll start once we have the "Topological Metabiostring".
  • pacome delva on 05 Feb 10
     
    ooh yeah! do you have some time on sunday...? well this falls i think in the "Can we use it for space?" category... but I would like to read a bit more about it (just had the time to read the sciencenow news few post below...)
darioizzo2

Space Force | Announcement [HD] | Netflix - YouTube - 0 views

www.youtube.com/watch

shared by darioizzo2 on 17 Jan 19 - No Cached
icheibas liked it
  • darioizzo2 on 17 Jan 19
     
    Serious stuff!! Trump made people do space stuff and Netflix makes a series out of it.
LeopoldS

Artificial Life Laboratory - 3 views

zool33.uni-graz.at/about

INF robotics AI

shared by LeopoldS on 07 Jun 12 - No Cached
  • LeopoldS on 07 Jun 12
     
    did not know about them and we never had any contact with them ... though they seem to have some interesting stuff ongoing, see especially the COCORO project ... any of you know them? Marek, Dario, Guido, Luke?
  • ...1 more comment...
  • Juxi Leitner on 08 Jun 12
     
    I saw there presentation at the EUCogIII/CogSys meeting in February. Tbh I was not really impressed with the CoCoRo project, not really much new things in there ... yet
  • Christos Ampatzis on 08 Jun 12
     
    Yes I know all of them, also personally. Know all their work up to 2008-9, hopefully they have matured since then. Not very impressive stuff
  • LeopoldS on 09 Jun 12
     
    Thanks for the answers guys!
Juxi Leitner

Convolutional Neural Networks for Visual Recognition - 3 views

cs.stanford.edu/...deepimagesent

ai computer vision learning classification deep university INF

shared by Juxi Leitner on 28 Nov 14 - No Cached
Paul N liked it
  • Juxi Leitner on 28 Nov 14
     
    pretty impressive stuff!
  • ...3 more comments...
  • Paul N on 28 Nov 14
     
    Amazing how some guys from some other university also did pretty much the same thing (although they didn't use the bidirectional stuff) and published it just last month. Just goes to show you can dump pretty much anything into an RNN and train it for long enough and it'll produce magic. http://arxiv.org/pdf/1410.1090v1.pdf
  • Luís F. Simões on 01 Dec 14
  • Paul N on 04 Dec 14
     
    Seems like quite the trend. And the fact that google still tries to use LSTMs is even more surprising.
  • Luís F. Simões on 04 Dec 14
     
    LSTMs: that was also the first thing in the paper that caught my attention! :) I hadn't seen them in the wild in years... My oversight most likely. The paper seems to be getting ~100 citations a year. Someone's using them.
  • Paul N on 05 Dec 14
     
    There are a few papers on them. Though you have to be lucky to get them to work. The backprop is horrendous.
Marcus Maertens

Stuff in Space - 8 views

stuffin.space

space

shared by Marcus Maertens on 08 Mar 16 - No Cached
  • andreilegosaurus on 08 Mar 16
     
    Dynamic map of objects currently orbiting Earth.
  • Marcus Maertens on 11 Sep 18
     
    Shows you stuff... in space!
LeopoldS

Come On, China, Buy Our Stuff! - NYTimes.com - 1 views

www.nytimes.com/...me-on-china-buy-our-stuff.html

economics politics china

shared by LeopoldS on 29 Jan 12 - No Cached
  • LeopoldS on 29 Jan 12
     
    Interesting article on china us trade inequalities
LeopoldS

Design Research Lab - 5 views

www.design-research-lab.org

design prototyping

shared by LeopoldS on 14 Apr 15 - Cached
  • LeopoldS on 14 Apr 15
     
    Does any of you know this Berlin based Design Research Lab - they seem to do some interesting "stuff"
Thijs Versloot

Alien star invaded the Solar System - 2 views

www.bbc.com/...science-environment-31519875

space science PHY

shared by Thijs Versloot on 23 Feb 15 - No Cached
  • Thijs Versloot on 23 Feb 15
     
    An alien star passed through our Solar System just 70,000 years ago, astronomers have discovered. No other star is known to have approached this close to us. An international team of researchers says it came five times closer than our current nearest neighbour - Proxima Centauri. Passing straight through the Oort Cloud region. This must have left some sort of mark maybe? A binary system of a red and brown dwarf (8% and 6% solar masses) so maybe not a too significant impact on trajectories in the Oort cloud?
  • Paul N on 24 Feb 15
     
    I read this earlier and thought it might be another one of those alien conspiracy stuff. Freaky stuff.
  • LeopoldS on 11 Mar 15
     
    what about taking a ride on one of these? - especially if they come with some companion planets? when is the next shuttle coming?
Joris _

Elon Musk: SpaceX signs "biggest" commercial launch deal ever - The Write Stuff - Orlan... - 0 views

blogs.orlandosentinel.com/...mmercial-launch-deal-ever.html

launcher spacex

shared by Joris _ on 17 Jun 10 - Cached
LeopoldS liked it
  • ore than half of his company’s manifest of about 30 launches are purely commercial
  • His statement challenges critics of private space companies whom have maintained that there is not enough commercial business to support them
  • lower launch costs for the government
Francesco Biscani

Apple's Mistake - 5 views

www.paulgraham.com/apple.html

shared by Francesco Biscani on 16 Jun 10 - Cached
LeopoldS liked it
  • Francesco Biscani on 16 Jun 10
     
    Nice opinion piece.
  • LeopoldS on 16 Jun 10
     
    nice indeed .... especially like: "They make such great stuff, but they're such assholes. Do I really want to support this company? Should Apple care what people like me think? What difference does it make if they alienate a small minority of their users? There are a couple reasons they should care. One is that these users are the people they want as employees. If your company seems evil, the best programmers won't work for you. That hurt Microsoft a lot starting in the 90s. Programmers started to feel sheepish about working there. It seemed like selling out. When people from Microsoft were talking to other programmers and they mentioned where they worked, there were a lot of self-deprecating jokes about having gone over to the dark side. But the real problem for Microsoft wasn't the embarrassment of the people they hired. It was the people they never got. And you know who got them? Google and Apple. If Microsoft was the Empire, they were the Rebel Alliance. And it's largely because they got more of the best people that Google and Apple are doing so much better than Microsoft today. Why are programmers so fussy about their employers' morals? Partly because they can afford to be. The best programmers can work wherever they want. They don't have to work for a company they have qualms about. But the other reason programmers are fussy, I think, is that evil begets stupidity. An organization that wins by exercising power starts to lose the ability to win by doing better work. And it's not fun for a smart person to work in a place where the best ideas aren't the ones that win."
  • Ma Ru on 16 Jun 10
     
    Poor programmers can complain, but they will keep developing applications for iPhone as long as their bosses will tell them to do so... From my experience in mobile software development I assure you it's not the pain of the programmer that dictates what is done, but the customer's demand. Even though like this the quality of applications is somewhat worse than it could be, clients won't complain as they have no reference point. And things will stay as they are: apple censoring the applications, clients paying for stuff that "sometimes just does not work" (it's normal, isn't it??), and programmers complaining, but obediently making iPhone apps...
Tobias Seidl

Leaves Show Looped Networks May Be Better Than Branched | Wired Science | Wired.com - 1 views

www.wired.com/...looped-leaf-networks

BIO branched looped

shared by Tobias Seidl on 08 Feb 10 - Cached
  • Tobias Seidl on 08 Feb 10
     
    Plant stuff and network design.
LeopoldS

'Perfect' Liquid Hot Enough to be Quark Soup - 0 views

www.bnl.gov/...PR_display.asp

PHY accelerator

shared by LeopoldS on 18 Feb 10 - Cached
  • LeopoldS on 18 Feb 10
     
    Protons, neutrons melt to produce 'quark-gluon plasma' at RHIC .... hot stuff
  • Nicholas Lan on 23 Feb 10
     
    posted already further down
Luís F. Simões

Seminar: You and Your Research, Dr. Richard W. Hamming (March 7, 1986) - 10 views

www.chris-lott.org/...kaiser.html

science research Methods methodology Nobel Bell Labs Los Alamos

shared by Luís F. Simões on 07 Jan 11 - Cached
LeopoldS liked it
  • This talk centered on Hamming's observations and research on the question "Why do so few scientists make significant contributions and so many are forgotten in the long run?" From his more than forty years of experience, thirty of which were at Bell Laboratories, he has made a number of direct observations, asked very pointed questions of scientists about what, how, and why they did things, studied the lives of great scientists and great contributions, and has done introspection and studied theories of creativity. The talk is about what he has learned in terms of the properties of the individual scientists, their abilities, traits, working habits, attitudes, and philosophy.
  • Luís F. Simões on 07 Jan 11
     
    Here's the link related to one of the lunch time discussions. I recommend it to every single one of you. I promise it will be worth your time. If you're lazy, you have a summary here (good stuff also in the references, have a look at them):      Erren TC, Cullen P, Erren M, Bourne PE (2007) Ten Simple Rules for Doing Your Best Research, According to Hamming. PLoS Comput Biol 3(10): e213.
  • ...3 more comments...
  • pacome delva on 11 Jan 11
     
    I'm also pretty sure that the ones who are remembered are not the ones who tried to be... so why all these rules !? I think it's bullshit...
  • Luís F. Simões on 11 Jan 11
     
    The seminar is not a manual on how to achieve fame, but rather an analysis on how others were able to perform very significant work. The two things are in some cases related, but the seminar's focus is on the second.
  • pacome delva on 12 Jan 11
     
    Then read a good book on the life of Copernic, it's the anti-manual of Hamming... he breaks all the rules !
  • LeopoldS on 12 Jan 11
     
    honestly I think that some of these rules actually make sense indeed ... but I am always curious to get a good book recommendation (which book of Copernic would you recommend?) btw Pacome: we are in Paris ... in case you have some time ...
  • pacome delva on 12 Jan 11
     
    I warmly recommend this book, a bit old but fascinating: The sleepwalkers from Arthur Koestler. It shows that progress in science is not straight and do not obey any rule... It is not as rational as most of people seem to believe today. http://www.amazon.com/Sleepwalkers-History-Changing-Universe-Compass/dp/0140192468/ref=sr_1_1?ie=UTF8&qid=1294835558&sr=8-1 Otherwise yes I have some time ! my phone number: 0699428926 We live around Denfert-Rochereau and Montparnasse. We could go for a beer this evening ?
Luís F. Simões

Bitcoin P2P Currency: The Most Dangerous Project We've Ever Seen - 10 views

launch.is/...dangerous-project-weve-ev.html

bitcoin p2p money disruptive

shared by Luís F. Simões on 16 May 11 - No Cached
LeopoldS liked it
  • After month of research and discovery, we’ve learned the following:1. Bitcoin is a technologically sound project.2. Bitcoin is unstoppable without end-user prosecution.3. Bitcoin is the most dangerous open-source project ever created.4. Bitcoin may be the most dangerous technological project since the internet itself.5. Bitcoin is a political statement by technotarians (technological libertarians).*6. Bitcoins will change the world unless governments ban them with harsh penalties.
  • The benefits of a currency like this:a) Your coins can’t be frozen (like a Paypal account can be)b) Your coins can’t be trackedc) Your coins can’t be taxedd) Transaction costs are extremely low (sorry credit card companies)
  • An individual with the name -- or perhaps handle -- of Satoshi Nakamoto first wrote about bitcoins in a paper called Bitcoin: A Peer-to-Peer Electronic Cash System.
  • ...1 more annotation...
  • * We made this term up to describe the “good people” of the internet who believe in the fundamental rights of individuals to be free, have free speech, fight hypocrisy and stand behind logic, technology and science over religion, political structure and tradition. These are the people who build and support things like Wikileaks, Anonymous, Linux and Wikipedia. They think that people can, and should, govern themselves. They are against external forms of control such as DRM, laws that are bought and sold by lobbyists, and religions like Scientology. They include splinter groups that enforce these ideals in the form of hacktivism, such as the takedown of the Sony Playstation Network after Sony tried to prosecute a hacker for unlocking its console.
  • Ma Ru on 17 May 11
     
    Sounds good!
  • ...9 more comments...
  • pacome delva on 18 May 11
     
    wow it's frigthening! it's the dream of every anarchist, every drug, arm, human dealer! the world made as a global fiscal paradise... the idea is clever however it will not replace real money because 1 - no one will build a fortune on bitcoin if a technological breakthrough can ruin them 2 - government never allowed parallel money to flourish on their territory, so it will be almost impossible to change bitcoin against euros or dollars
  • Nicholas Lan on 18 May 11
     
    interesting stuff anyone read cryptonomicon by neal stephenson? similar theme.
  • Luís F. Simões on 18 May 11
     
    :) yes. One of the comments on reddit was precisely drawing the parallels with Neal Stephenson's Snowcrash / Diamond Age / Cryptonomicon. Interesting stuff indeed. It has a lot of potential for misuse, but also opens up new possibilities. We've discussed recently how emerging technologies will drive social change. Whether it's the likes of NSA / CIA who will benefit the most from the Twitters, Facebooks and so on, by gaining greater power for control, or whether individuals are being empowered to at least an identical degree. We saw last year VISA / PayPal censoring WikiLeaks... Well, here's a way for any individual to support such an organization, in a fully anonymous and uncontrollable way...
  • tvinko on 18 May 11
     
    One of my colleagues has made a nice, short write-up about BitCoin: http://www.pds.ewi.tudelft.nl/~victor/bitcoin.html
  • LeopoldS on 18 May 11
     
    very nice analysis indeed - thanks Tamas for sharing it!
  • pacome delva on 20 May 11
     
    mmm I'm not an expert but it seemed to me that, even if these criticisms are true, there is one fundamental difference between the money you exchange on internet via your bank, and bitcoins. The first one is virtual money and the second one aims at being real, physical, money, even if digital, in the same way as banknotes, coins, or gold.
  • nikolas smyrlakis on 20 May 11
     
    An algorithm wanna-be central bank issuing untraceable tax free money between internet users? not more likely than the end of the world supposed to take place tomorrow, in my opinion. Algorithms don't usually assault women though !:P
  • LeopoldS on 21 May 11
     
    well, most money is anyway just virtual and only based on expectations and trust ... (see e.g. http://en.wikipedia.org/wiki/Money_supply) and thus if people trust that this "money" has some value in the sense that they can get something of value to them in exchange, then not much more is needed it seems to me ...
  • pacome delva on 23 May 11
     
    @Leopold: ok let's use the rigth words then. Bitcoin aim at being a currency ("physical objects generally accepted as a medium of exchange" from wikipedia), different than the "demand deposit". In the article proposed by Tamas he compares what cannot be compared (currencies, demand deposits and their mean of exchange). The interesting question is wether one can create a digital currency which is too difficult to counterfeit. As far as I know, there is no existing digital currency except this bitcoins (and maybe the currencies from games as second life and others, but which are of limited use in real world).
  • nikolas smyrlakis on 23 May 11
     
    well of course money is trust, and even more loans and credit and even more stock and bond markets. It all represents trust and expectations. However since the first banks 500 years ago and the first loans etc. etc., and as well the fact that bonds and currencies bring down whole countries (Greece lately), and are mainly controlled by large financial centres and (central) banks, banks have always been on the winning side no matter what and that isn't going to change easily. So if you are talking about these new currencies it would be a new era, not just a new currency. So should Greece convert its debt to bitcoins ;P ?
  • pacome delva on 23 May 11
     
    well, from 1936 to 1993 the central bank of france was owned by the state and was supposed to serve the general interest...
Francesco Biscani

Why is the Earth moving away from the sun? - space - 01 June 2009 - New Scientist - 0 views

www.newscientist.com/...-moving-away-from-the-sun.html

celestial mechanics astronomy

shared by Francesco Biscani on 02 Jun 09 - Cached
  • Francesco Biscani on 02 Jun 09
     
    More fascinating Celestial Mechanics stuff...
Francesco Biscani

Slashdot | Rutgers Attempts Robot Atlantic Crossing - 0 views

tech.slashdot.org/article.pl

robots AI

shared by Francesco Biscani on 22 May 09 - Cached
  • Francesco Biscani on 22 May 09
     
    Cool stuff for Christos.
Francesco Biscani

Unlikely Suns Reveal Improbable Planets: Scientific American - 0 views

www.scientificamerican.com/article.cfm

planetology astronomy

shared by Francesco Biscani on 20 May 09 - No Cached
  • Francesco Biscani on 20 May 09
     
    Fascinating stuff...
Francesco Biscani

Saturn's moon Enceladus spews clues on habitability: Scientific American Blog - 0 views

www.scientificamerican.com/...post.cfm

bio astronomy

shared by Francesco Biscani on 25 Jun 09 - Cached
pacome delva liked it
  • Francesco Biscani on 25 Jun 09
     
    More amazing stuff from Saturn.
  • pacome delva on 25 Jun 09
     
    Europe is less far and there is also an ocean beneath the surface (at least we think...), and it's bigger. Nasa planned a mission to Europe some years ago but it was cancelled because of budget cut because of... war in Irak !
ESA ACT

Label-Free, Single-Molecule Detection with Optical Microcavities -- Armani et al. 317 (... - 0 views

www.sciencemag.org/...783

Chemistry analysis Exploration

shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    Single molecule detection: Might this be of interest for detecting proteins or other stuff on Mars etc.?
ESA ACT

Instructables - Make How To and DIY - 0 views

www.instructables.com

Fun technology

shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    Excellent repository of DIY stuff
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