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Ilmar Tehnas

Engage the x drive: Ten ways to traverse deep space - space - 21 December 2009 - New Scientist - 1 views

www.newscientist.com/...ys-to-traverse-deep-space.html

science

shared by Ilmar Tehnas on 26 Dec 09 - Cached
  • Ilmar Tehnas on 26 Dec 09
     
    The article summarises 10 possible ways we could practically reach the stars...but in reality it's still a long time off
thinkahol *

Peak Oil and a Changing Climate | The Nation - 2 views

www.thenation.com/...peak-oil-and-changing-climate

Peak Oil and a Changing Climate | The Nation

shared by thinkahol * on 11 Feb 11 - No Cached
  • thinkahol * on 11 Feb 11
     
    Peak Oil is the point at which petroleum production reaches its greatest rate just before going into perpetual decline. In "Peak Oil and a Changing Climate," a new video series from The Nation and On The Earth productions, radio host Thom Hartmann explains that the world will reach peak oil within the next year if it hasn't already. As a nation, the United States reached peak oil in 1974, after which it became a net oil importer. Bill McKibben, Noam Chomsky, Nicole Foss, Richard Heinberg and the other scientists, researchers and writers interviewed throughout "Peak Oil and a Changing Climate" describe the diminishing returns our world can expect as it deals with the consequences of peak oil even as it continues to pretend it doesn't exist. These experts predict substantially increased transportation costs, decreased industrial production, unemployment, hunger and social chaos as the supplies of the  fuels on which we rely dwindle and eventually disappear. Chomsky urges us to anticipate the official response to peak oil based on how corporations, news organizations and other institutions have responded to global warming: obfuscation, spin and denial. James Howard Kunstler says that we cannot survive peak oil unless we "come up with a consensus about reality that is consistent with the way things really are." This documentary series hopes to help build that consensus. Click here to watch the introductory video, and check back here for new videos each Wednesday.
thinkahol *

Graphene may reveal the grain of space-time - physics-math - 13 May 2011 - New Scientist - 1 views

www.newscientist.com/...al-the-grain-of-spacetime.html

Graphene reveal the grain of space-time - physics-math 13 May 2011 New Scientist

shared by thinkahol * on 16 May 11 - No Cached
  • thinkahol * on 16 May 11
     
    COULD the structure of space and time be sketched out inside a cousin of plain old pencil lead? The atomic grid of graphene may mimic a lattice underlying reality, two physicists have claimed, an idea that could explain the curious spin of the electron. Graphene is an atom-thick layer of carbon in a hexagonal formation. Depending on its position in this grid, an electron can adopt either of two quantum states - a property called pseudospin which is mathematically akin to the intrinsic spin of an electron. Most physicists do not think it is true spin, but Chris Regan at the University of California, Los Angeles, disagrees. He cites work with carbon nanotubes (rolled up sheets of graphene) in the late 1990s, in which electrons were found to be reluctant to bounce back off these obstacles. Regan and his colleague Matthew Mecklenburg say this can be explained if a tricky change in spin is required to reverse direction. Their quantum model of graphene backs that up. The spin arises from the way electrons hop between atoms in graphene's lattice, says Regan. So how about the electron's intrinsic spin? It cannot be a rotation in the ordinary sense, as electrons are point particles with no radius and no innards. Instead, like pseudospin, it might come from a lattice pattern in space-time itself, says Regan. This echoes some attempts to unify quantum mechanics with gravity in which space-time is built out of tiny pieces or fundamental networks (Physical Review Letters, vol 106, p 116803). Sergei Sharapov of the National Academy of Sciences of Ukraine in Kiev says that the work provides an interesting angle on how electrons and other particles acquire spin, but he is doubtful how far the analogy can be pushed. Regan admits that moving from the flatland world of graphene to higher-dimensional space is tricky. "It will be interesting to see if there are other lattices that give emergent spin," he says.
Janos Haits

geppetto - 0 views

www.geppetto.org

simulation visualization virtual simulator science research Education technology Biology excellent

shared by Janos Haits on 27 Dec 13 - No Cached
  • Janos Haits on 27 Dec 13
     
    Geppetto.org is a web-based multi-algorithm, multi-scale simulation platform engineered to support the simulation of complex biological systems and their surrounding environment. A completely modular platform. Engineered together with scientists, Geppetto lets you integrate different simulators and models. Independent modules allow the user to read different standard modeling formats and to simulate different aspects of reality. An open-source revolution. Geppetto is entirely open source and engineers, scientists and developers are welcome to contribute to its development by adding functionality to existing modules or by creating new ones!
Erich Feldmeier

Excellence by Nonsense: The Competition for Publications in Modern Science - 0 views

book.openingscience.org/...excellence_by_nonsense.html

technology MINT research science Biology innovation education excellent collaboration commonsense

shared by Erich Feldmeier on 13 Sep 17 - No Cached
  • Erich Feldmeier on 13 Sep 17
     
    "A second phenomenon which did a lot of harm to the European universities, was the lasting glorification of the American higher education system. Many politicians, but also scientists themselves, see this system as a permanent source of excellence and success without-as US scientist Martin Trow (1997) writes-getting the general picture of the American higher education system. Attention is directed exclusively at Harvard, Princeton, Yale, MIT, and other Ivy-League universities, which make up only a small percentage of the university landscape in the US. In this euphoria, it is intentionally overlooked that the majority of colleges and universities displays an intellectually modest standard and hardly contributes to academic progress. Much of what we celebrate as "globalization" and "adjustment to international standards" is in reality the adjustment to US-American provincialism (Fröhlich interview)."
thinkahol *

Why animals don't have infrared vision: Source of the visual system's 'false alarms' discovered - 2 views

www.sciencedaily.com/...110609151537.htm

Why animals don't have infrared vision: Source of the visual system's 'false alarms' discovered

shared by thinkahol * on 10 Jun 11 - No Cached
  • thinkahol * on 10 Jun 11
     
    ScienceDaily (June 9, 2011) - On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in the June 10 issue of Science, neuroscientists at the Johns Hopkins University School of Medicine have discovered that a light-capturing pigment molecule in photoreceptors can be triggered by heat, as well, giving rise to these false alarms.
Charles Daney

Looking for Background Noise: The Cosmic Reality Check: Scientific American - 0 views

www.scientificamerican.com/article.cfm

background radiation

shared by Charles Daney on 19 Aug 09 - No Cached
  • Charles Daney on 19 Aug 09
     
    A celestial audit suggests that astronomers' inventory of luminous bodies may soon be complete (reprint of 3/02 article)
Skeptical Debunker

Top home-school texts dismiss Darwin, evolution - Yahoo! News - 1 views

news.yahoo.com/...us_rel_home_school_evolution

home schoolling Christian evolution propoganda

shared by Skeptical Debunker on 07 Mar 10 - Cached
  • Christian-based materials dominate a growing home-school education market that encompasses more than 1.5 million students in the U.S. And for most home-school parents, a Bible-based version of the Earth's creation is exactly what they want. Federal statistics from 2007 show 83 percent of home-schooling parents want to give their children "religious or moral instruction." "The majority of home-schoolers self-identify as evangelical Christians," said Ian Slatter, a spokesman for the Home School Legal Defense Association. "Most home-schoolers will definitely have a sort of creationist component to their home-school program." Those who don't, however, often feel isolated and frustrated from trying to find a textbook that fits their beliefs. Two of the best-selling biology textbooks stack the deck against evolution, said some science educators who reviewed sections of the books at the request of The Associated Press. "I feel fairly strongly about this. These books are promulgating lies to kids," said Jerry Coyne, an ecology and evolution professor at the University of Chicago. The textbook publishers defend their books as well-rounded lessons on evolution and its shortcomings. One of the books doesn't attempt to mask disdain for Darwin and evolutionary science. "Those who do not believe that the Bible is the inspired, inerrant Word of God will find many points in this book puzzling," says the introduction to "Biology: Third Edition" from Bob Jones University Press. "This book was not written for them." The textbook delivers a religious ultimatum to young readers and parents, warning in its "History of Life" chapter that a "Christian worldview ... is the only correct view of reality; anyone who rejects it will not only fail to reach heaven but also fail to see the world as it truly is."
  • Skeptical Debunker on 07 Mar 10
     
    Home-school mom Susan Mule wishes she hadn't taken a friend's advice and tried a textbook from a popular Christian publisher for her 10-year-old's biology lessons. Mule's precocious daughter Elizabeth excels at science and has been studying tarantulas since she was 5. But she watched Elizabeth's excitement turn to confusion when they reached the evolution section of the book from Apologia Educational Ministries, which disputed Charles Darwin's theory. "I thought she was going to have a coronary," Mule said of her daughter, who is now 16 and taking college courses in Houston. "She's like, 'This is not true!'"
  • Skeptical Debunker on 07 Mar 10
     
    Home Fooling.
Walid Damouny

Will DNA Prove to be a Cosmic Constant? (Today's Most Popular) - 1 views

www.dailygalaxy.com/...-to-be-a-cosmic-constant-.html

DNA Cosmic Constant science

shared by Walid Damouny on 20 Oct 10 - No Cached
  • thinkahol * on 20 Oct 10
     
    A recent mathematical analysis says that life as we know it is written into the laws of reality. DNA is built from a set of twenty amino acids - the first ten of those can create simple prebiotic life, and...
nicole011

International Conference on Spine and Spinal Disorders - 1 views

For more info please contact Nicole McKenzie- spine@neuroconferences.com

science research Education technology health spine

started by nicole011 on 19 Feb 16 1 follow-up, last by nicole011 on 19 Feb 16
mrdomino

This is NOT Real Life! The Future of Gaming Never Looked so Good « 2016 Futuristic Gaming Technology - YouTube - 0 views

www.youtube.com/watch

future gaming technology youtube life pc vr virtual reality insane mind-blowing

shared by mrdomino on 11 Apr 16 - No Cached
  • mrdomino on 11 Apr 16
     
    This video is a pretty impressive showcase of graphics technology that is possible with the Unreal 4 engine TODAY. I seriously had to do a double take as well on a few of these! My brain was fooled a few times, for sure. It's a showcase of various technical demos and a tribute if you will to the sheer power of the Unreal 4 engine. Some of these were from 2015 or earlier! So imagine, what's going to be possible in 2016 and beyond! And with the advent of VR upon us, this only makes the future of gaming that much more exciting! What's everyone think of these? Is the photorealism of gaming graphics shown here going to be possible in every game over the next few years or is this just going to be for the top tier developers?
jimsandres

Playing Pokemon - 0 views

Playing Pokemon Go as a Tourist Pokemon Go has been one of the most viral games of 2016. It's an augmented reality game which utilizes the gps, data connection, and a lot of cell phone battery to p...

started by jimsandres on 16 May 17 no follow-up yet
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