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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...
Ma Ru

more space tourism - 3 views

www.cnngo.com/...ians-unveil-space-hotel-678591

technology space space tourism human spaceflight

shared by Ma Ru on 18 Aug 11 - No Cached
  • Ma Ru on 18 Aug 11
     
    Russian space hotel, but alcohol banned on board... something's not right here...
LeopoldS

Map of the Day - National Geographic Magazine - 2 views

books.nationalgeographic.com/...index

spaceflight

shared by LeopoldS on 15 Oct 09 - Cached
  • LeopoldS on 15 Oct 09
     
    nice representation of where "we went"
  • Ma Ru on 15 Oct 09
     
    Can't find the Lagrange points missions...
  • LeopoldS on 18 Oct 09
     
    you are right - they are not there ...
Friederike Sontag

Aerosols make methane more potent - 1 views

www.nature.com/...news.2009.1049.html

air_pollution methane VOCs climate_change

shared by Friederike Sontag on 03 Nov 09 - No Cached
LeopoldS liked it
  • Friederike Sontag on 03 Nov 09
     
    "climate policy-makers need to pay much more attention to restricting short-lived pollutants, such as methane, carbon monoxide, volatile organic compounds (VOCs) and aerosols. This could create significant changes in the local and global climate quite quickly, whereas the effects of efforts to reduce emissions of long-lived carbon dioxide will not be seen for many years."
  • LeopoldS on 04 Nov 09
     
    interesting indeed ... but coming at the right time before copenhagn?
  • Friederike Sontag on 04 Nov 09
     
    These conclusions come too late to have a real impact on decisions that will be taken in Copenhagen, I assume. But I think it is a hot topic as climate change 'solutions' that work QUICKLY are more and more needed!!
Juxi Leitner

Army heli-Weeble hops to avoid rubble trouble - tech - 18 September 2009 - New Scientist - 0 views

www.newscientist.com/...s-to-avoid-rubble-trouble.html

flying robotics hopping

shared by Juxi Leitner on 21 Sep 09 - Cached
  • is a rotor-powered, bottom-heavy, self-righting vehicle that spends most of its time on the ground, thus conserving battery power. Instead of flying around, it hops, using a pair of contra-rotating rotors (to avoid the need for a tail rotor) mounted on an aluminium base. All this is encased in a spherical cage made of strong carbon-fibre spars (see diagram).
Francesco Biscani

Google Wave Preview - 2 views

wave.google.com

communication tools technology google web2.0

shared by Francesco Biscani on 29 May 09 - Cached
  • Francesco Biscani on 29 May 09
     
    Looks really cool! And it's open source :)
  • Ma Ru on 01 Nov 09
     
    Don't know if you've noticed, but the current version is becoming more and more usable... did you try it already in your collaborative work?
  • Francesco Biscani on 01 Nov 09
     
    We've used it a bit with Juxi and Leopold for the work on the new issue of acta futura, and I think it is quite nice. The problem right now is that only a few people in the team have an account (and I have exhausted my invitations). Maybe you have one or two you are willing to share? :)
ESA ACT

Geometry and self-righting of turtles - 0 views

www.journals.royalsoc.ac.uk/...l4ju02574260334r

BIO mathematics paper

shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    Strange geometrical bodies and their application by turtles. Reverse biomimetics...
pacome delva

"God Machine" Critics to U.N.: Experiment an Affront to Human Rights - 3 views

blogs.sciencemag.org/...critics-of-god.html

fun phy lhc particles

shared by pacome delva on 09 Nov 09 - Cached
  • pacome delva on 09 Nov 09
     
    The end of the world is for this month...
LeopoldS

Global Innovation Commons - 4 views

www.globalinnovationcommons.org

innovation open IP

shared by LeopoldS on 31 Oct 09 - Cached
LeopoldS liked it
  • LeopoldS on 31 Oct 09
     
    nice initiative!
  • ...6 more comments...
  • Ma Ru on 31 Oct 09
     
    Any viral licence is a bad license...
  • Francesco Biscani on 31 Oct 09
     
    I'm pretty confident I'm about to open a can of worms, but mind explaining why? :)
  • LeopoldS on 01 Nov 09
     
    I am less worried about the can of worms ... actually eager to open it ... so why????
  • Francesco Biscani on 01 Nov 09
     
    Well, the topic GPL vs other open-source licenses (e.g., BSD, MIT, etc.) is old as the internet and it has provided material for long and glorious flame wars. The executive summary is that the GPL license (the one used by Linux) is a license which imposes some restrictions on the way you are allowed to (re)use the code. Specifically, if you re-use or modify GPL code and re-distribute it, you are required to make it available again under the GPL license. It is called "viral" because once you use a bit of GPL code, you are required to make the whole application GPL - so in this sense GPL code replicates like a virus. On the other side of the spectrum, there are the so-called BSD-like licenses which have more relaxed requirements. Usually, the only obligation they impose is to acknowledge somewhere (e.g., in a README file) that you have used some BSD code and who wrote it (this is called "attribution clause"), but they do not require to re-distribute the whole application under the same license. GPL critics usually claim that the license is not really "free" because it does not allow you to do whatever you want with the code without restrictions. GPL proponents claim that the requirements imposed by the GPL are necessary to safeguard the freedom of the code, in order to avoid being able to re-use GPL code without giving anything back to the community (which the BSD license allow: early versions of Microsoft Windows, for instance, had the networking code basically copy-pasted from BSD-licensed versions of Unix). In my opinion (and this point is often brought up in the debates) the division pro/against GPL mirrors somehow the division between anti/pro anarchism. Anarchists claim that the only way to be really free is the absence of laws, while non-anarchist maintain that the only practical way to be free is to have laws (which by definition limit certain freedoms). So you can see how the topic can quickly become inflammatory :) GPL at the current time is used by aro
  • Francesco Biscani on 01 Nov 09
     
    whoa, the comment got cut off. Anyway, I was just saying that at the present time the GPL license is used by around 65% of open source projects, including the Linux kernel, KDE, Samba, GCC, all the GNU utils, etc. The topic is much deeper than this brief summary, so if you are interested in it, Leopold, we can discuss it at length in another place.
  • LeopoldS on 01 Nov 09
     
    Thanks for the record long comment - am sure that this is longest ever made to an ACT diigo post! On the topic, I would rather lean for the GPL license (which I also advocated for the Marek viewer programme we put on source forge btw), mainly because I don't trust that open source is by nature delivering a better product and thus will prevail but I still would like to succeed, which I am not sure it would if there were mainly BSD like licenses around. ... but clearly, this is an outsider talking :-)
  • LeopoldS on 01 Nov 09
     
    btw: did not know the anarchist penchant of Marek :-)
  • Ma Ru on 01 Nov 09
     
    Well, not going into the discussion about GPL/BSD, the viral license in this particular case in my view simply undermines the "clean and clear" motivations of the initiative authors - why should *they* be credited for using something they have no rights for? And I don't like viral licences because they prevent using things released under this licence to all those people who want to release their stuff under a different licence, thus limiting the usefulness of the stuff released on that licence :) BSD is not a perfect license too, it also had major flaws And I'm not an anarchist, lol
LeopoldS

Greg's Cable Map - 1 views

www.cablemap.info

technology PHY IT

shared by LeopoldS on 15 Jul 11 - Cached
  • LeopoldS on 15 Jul 11
     
    this is the infrastructure that satellites have to compete with ....
  • ...3 more comments...
  • LeopoldS on 15 Jul 11
     
    the largest cable into the Netherlands comes in apparently at Katwijk - we should have super fast internet!!! :-)
  • Ma Ru on 15 Jul 11
     
    You mean: "then why don't we have super fast internet?" :-) If you zoom the map in, it's actually way past Noordwijk. My quess is this could be attached somewhere near the naval radio station area? This remembered me the good old times of bike trips in the dunes, eh...
  • LeopoldS on 16 Jul 11
     
    well, the description says clearly Katwijk; am quite sure that the maps are less accurate than the description ...
  • Ma Ru on 16 Jul 11
     
    I guess you are right... Is ACT already planning a find-and-cut expedition?
  • LeopoldS on 17 Jul 11
     
    now that we have the boat and thanks to Camilla it is still floating after the deluge ....
jmlloren

Scientists discover how to turn light into matter after 80-year quest - 5 views

phys.org/...-05-scientists-year-quest.html

PHY MAD

shared by jmlloren on 19 May 14 - No Cached
  • Thijs Versloot on 19 May 14
     
    Theoretized 80 years ago was Breit-Wheeler pair production in which two photons result in an electron-positron pair (via a virtual electron). It is a relatively simple Feynmann diagram, but the problem is/was how to produce in practice a high energy photon-photon collider... The collider experiment that the scientists have proposed involves two key steps. First, the scientists would use an extremely powerful high-intensity laser to speed up electrons to just below the speed of light. They would then fire these electrons into a slab of gold to create a beam of photons a billion times more energetic than visible light. The next stage of the experiment involves a tiny gold can called a hohlraum (German for 'empty room'). Scientists would fire a high-energy laser at the inner surface of this gold can, to create a thermal radiation field, generating light similar to the light emitted by stars. They would then direct the photon beam from the first stage of the experiment through the centre of the can, causing the photons from the two sources to collide and form electrons and positrons. It would then be possible to detect the formation of the electrons and positrons when they exited the can. Now this is a good experiment... :)
  • ...6 more comments...
  • jmlloren on 19 May 14
     
    The solution of thrusting in space.
  • dejanpetkow on 20 May 14
     
    Thrusting in space is solved already. Maybe you wanted to say something different?
  • Thijs Versloot on 21 May 14
     
    Thrusting until your fuel runs out is solved, in this way one can produce mass from, among others, solar/star energy directly. What I like about this experiment is that we have the technology already to do it, many parts have been designed for inertial confinement fusion.
  • johannessimon81 on 29 May 14
     
    I am quite certain that it would be more efficient to use the photons directly for thrust instead of converting them into matter. Also, I am a bit puzzled at the asymmetric layout for photon creation. Typically, colliders use two beam of particle with equal but opposite momentum. Because the total momentum for two colliding particles is zero the reaction products are produced more efficiently as a minimum of collision energy is waisted on accelerating the products. I guess in this case the thermal radiation in the cavity is chosen instead of an opposing gamma ray beam to increase the photon density and increase the number of collisions (even if the efficiency decreases because of the asymmetry). However, a danger from using a high temperature cavity might be that a lot of thermionic emission creates lots of free electrons with the cavity. This could reduce the positron yield through recombination and would allow the high energetic photons to loose energy through Compton scattering instead of the Breit-Wheeler pair production.
  • Thijs Versloot on 30 May 14
     
    Well, the main benefit from e-p pair creation might be that one can accelerate these subsequently to higher energies again. I think the photon-photon cross-section is extremely low, such that direct beam-beam interactions are basically not happening (below 1/20.. so basically 0 according to quantum probability :P), in this way, the central line of the hohlraum actually has a very high photon density and if timed correctly maximizes the reaction yield such that it could be measured.
  • johannessimon81 on 30 May 14
     
    I agree about the reason for the hohlraum - but I also keep my reservations about the drawbacks. About the pair production as fuel: I pretty sure that your energy would be used smarter in using photon (not necessarily high energy photons) for thrust directly instead of putting tons of energy in creating a rest-mass and then accelerating that. If you look at E² = (p c)²+(m0 c)² then putting energy into the mass term will always reduce your maximum value of p.
  • Thijs Versloot on 31 May 14
     
    True, but isnt it E2=(pc)^2 + (m0c^2)^2 such that for photons E\propto{pc} and for mass E\propto{mc^2}. I agree it will take a lot of energy, but this assumes that that wont be the problem at least. The question therefore is whether the mass flow of the photon rocket (fuel consumed to create photons, eg fission/fusion) is higher/lower than the mass flow for e-p creation. You are probably right that the low e-p cross-section will favour direct use of photons to create low thrust for long periods of time, but with significant power available the ISP might be higher for e-p pair creation.
  • johannessimon81 on 03 Jun 14
     
    In essence the equation tells you that for photons with zero rest mass m0 all the energy will be converted to momentum of the particles. If you want to accelerate e-p then you first spend part of the energy on creating them (~511 keV each) and you can only use the remaining energy to accelerate them. In this case the equation gives you a lower particle momentum which leads to lower thrust (even when assuming 100% acceleration efficiency). ISP is a tricky concept in this case because there are different definitions which clash in the relativistic context (due to the concept of mass flow). R. Tinder gets to a I_SP = c (speed of light) for a photon rocket (using the relativistic mass of the photons) which is the maximum possible relativistic I_SP: http://goo.gl/Zz5gyC .
Thijs Versloot

Is Westeros orbiting a binary star system? #ArXiv - 5 views

arxiv.org/1304.0445

fun MAD PHY

shared by Thijs Versloot on 21 May 14 - No Cached
Nicholas Lan liked it
  • Thijs Versloot on 21 May 14
     
    To right that appalling wrong, here we attempt to explain the apparently erratic seasonal changes in the world of G.R.R.M. A natural explanation for such phenomena is the unique behavior of a circumbinary planet. Thus, by speculating that the planet under scrutiny is orbiting a pair of stars, we utilize the power of numerical three-body dynamics to predict that, unfortunately, it is not possible to predict either the length, or the severity of any coming winter.
Thijs Versloot

A Groundbreaking Idea About Why Life Exists - 1 views

www.businessinsider.com/g-idea-of-lifes-origin-2014-12

life physics mathematics

shared by Thijs Versloot on 15 Dec 14 - No Cached
  • Thijs Versloot on 15 Dec 14
     
    Jeremy England, a 31-year-old assistant professor at the Massachusetts Institute of Technology, has derived a mathematical formula that he believes explains this capacity. The formula, based on established physics, indicates that when a group of atoms is driven by an external source of energy (like the sun or chemical fuel) and surrounded by a heat bath (like the ocean or atmosphere), it will often gradually restructure itself in order to dissipate increasingly more energy. This could mean that under certain conditions, matter inexorably acquires the key physical attribute associated with life. The simulation results made me think of Jojo's attempts to make a self-assembling space structure. Seems he may have been on the right track, just not thinking big enough
  • johannessimon81 on 15 Dec 14
     
    :-P Thanks Thijs... I do not agree with the premise of the article that a possible correlation of energy dissipation in living systems and their fitness means that one is the cause for the other - it may just be that both go hand-in-hand because of the nature of the world that we live in. Maybe there is such a drive for pre-biotic systems (like crystals and amino acids), but once life as we know it exists (i.e., heredity + mutation) it is hard to see the need for an amendment of Darwin's principles. The following just misses the essence of Darwin: "If England's approach stands up to more testing, it could further liberate biologists from seeking a Darwinian explanation for every adaptation and allow them to think more generally in terms of dissipation-driven organization. They might find, for example, that "the reason that an organism shows characteristic X rather than Y may not be because X is more fit than Y, but because physical constraints make it easier for X to evolve than for Y to evolve." Darwin's principle in its simplest expression just says that if a genome is more effective at reproducing it is more likely to dominate the next generation. The beauty of it is that there is NO need for a steering mechanism (like maximize energy dissipation) any random set of mutations will still lead to an increase of reproductive effectiveness. BTW: what does "better at dissipating energy" even mean? If I run around all the time I will have more babies? Most species that prove to be very successful end up being very good at conserving energy: trees, turtles, worms. Even complexity of an organism is not a recipe for evolutionary success: jellyfish have been successful for hundreds of millions of years while polar bears are seem to be on the way out.
anonymous

Deep Neural Networks are Easily Fooled: High Confidence Predictions for Unrecognizable ... - 4 views

arxiv.org/1412.1897

AI neural networks images deep learning

shared by anonymous on 10 Dec 14 - No Cached
  • anonymous on 10 Dec 14
     
    Other possible study: get a textbook example of an image of a pen, evolve it just enough so NN can't recognize it anymore, while minimizing the distance between the original and evolved images. EDIT: Its been done already: http://cs.nyu.edu/~zaremba/docs/understanding.pdf
  • Paul N on 11 Dec 14
     
    Of course, you can't really use them to extrapolate. The unknown unknown is always the trickiest :P They should just make another class "random bullshit", really and dump all of this stuff in there. I think there's a potential paper right there
Thijs Versloot

Real-Time Recognition and Profiling of Home Appliances through a Single Electricity Sensor - 3 views

csserver.ucd.ie/...Secon10_REAR.pdf

Smart home neural networks energy

shared by Thijs Versloot on 22 Oct 14 - No Cached
LeopoldS and anonymous liked it
  • Thijs Versloot on 22 Oct 14
     
    A personal interest of mine that I want to explore a bit more in the future. I just bought a ZigBee electricity monitor and I am wondering whether from the signal of the mains one could detect (reliably) the oven turning on, lights, etc. Probably requires Neural Network training. The idea would be to make a simple device which basically saves you money by telling you how much electricity you are wasting. Then again, its probably already done by Google...
  • ...3 more comments...
  • LeopoldS on 24 Oct 14
     
    nice project!
  • Thijs Versloot on 28 Oct 14
     
    For those interested, this is what/where I ordered.. http://openenergymonitor.org/emon/
  • Thijs Versloot on 10 Nov 14
     
    Update two.. RF chip is faulty and tonight I have to solder a new chip into place.. That's open-source hardware for you!
  • jcunha on 09 Dec 14
  • Thijs Versloot on 10 Dec 14
     
    haha, yep, that's it... but we can do better than that right! :)
Thijs Versloot

Alternative sleep cycles - 1 views

www.thinkinghumanity.com/...7-10-hours-are-not-needed.html

science sleep

shared by Thijs Versloot on 06 Aug 14 - No Cached
  • Thijs Versloot on 06 Aug 14
     
    Give the Ubermancycle a try?
  • ...4 more comments...
  • anonymous on 06 Aug 14
     
    I was into this some time ago and found a documentary in which they performed an experiment on a guy. Long story short, it didn't work that good. He was semi-lucid all the time and his mental performance dropped. Perhaps it is possible to survive like this for months, but if your goal is to maximize your daily output, you will not gain extra work hours due to being 3/4 conscious most of the time. EDIT: Not related to the documentary I mentioned but some first hand stories: http://www.reddit.com/r/IAmA/comments/co5t9/i_attempted_polyphasic_sleep_for_a_documentary_ama/c0tza1e
  • Marcus Maertens on 06 Aug 14
     
    I also heard about it. At the moment, I am on some sort of bi-phasic sleep and I am not feeling more tired than with the monophasic one (while sleeping effectively less right now).
  • Ma Ru on 06 Aug 14
     
    If it exists, there's an xkcd about it: http://xkcd.com/320/ Actually the schedule proposed there is quite useful if you're into this whole Friday / Saturday night thing..
  • Paul N on 07 Aug 14
     
    I don't see why it wouldn't work if you manage to detach yourself from the cycardian input. As in never ever see sun and daylight :))
  • Ma Ru on 08 Aug 14
     
    > As in never ever see sun and daylight :)) Like in the Netherlands you mean?
  • dejanpetkow on 11 Aug 14
     
    Tri-phasic sleep rhythm works fine.
annaheffernan

Scientist: Four golden lessons : Article : Nature - 7 views

www.nature.com/...426389a.html

science FUN

shared by annaheffernan on 17 Jul 14 - Cached
  • annaheffernan on 17 Jul 14
     
    An oldie but a goodie, " As you will never be sure which are the right problems to work on, most of the time that you spend in the laboratory or at your desk will be wasted. If you want to be creative, then you will have to get used to spending most of your time not being creative, to being becalmed on the ocean of scientific knowledge"
  • Athanasia Nikolaou on 21 Jul 14
     
    already forwarded it to other researchers in desperation phase :-D :-D
Paul N

It's official: NASA announces Mars' atmosphere was stripped away by solar winds - 1 views

www.sciencealert.com/d-to-mars-atmosphere-right-now

shared by Paul N on 06 Nov 15 - No Cached
  • Paul N on 06 Nov 15
     
    We finally have an understanding of how Mars transformed from a once habitable, Earth-like planet, into the dry world we see today. NASA researchers have just announced that Mars' once rich atmosphere was stripped away by solar winds in the early days of the Solar System, causing the planet to dry out.
Dario Izzo

Righting a wrong: Retaliation on a voodoo doll symbolizing an abusive supervisor restor... - 3 views

www.sciencedirect.com/...S104898431730276X

shared by Dario Izzo on 14 Sep 18 - No Cached
  • Dario Izzo on 14 Sep 18
     
    And this is pure genius. We should encourage the practice in the ACT. IgNobel 2018 on Economy. Essentially, if your supervisor is not of you liking, building and using a vodoo doll of him is highly suggested to restore the Universe Karma.
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