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thinkahol *

RepRapWiki - 0 views

reprap.org/Main_Page

RepRapWiki

shared by thinkahol * on 09 Mar 11 - Cached
  • thinkahol * on 09 Mar 11
     
    RepRap is a free desktop 3D printer capable of printing plastic objects. Since many parts of RepRap are made from plastic and RepRap can print those parts, RepRap is a self-replicating machine - one that anyone can build given time and materials. It also means that - if you've got a RepRap - you can print lots of useful stuff, and you can print another RepRap for a friend...RepRap is about making self-replicating machines, and making them freely available for the benefit of everyone. We are using 3D printing to do this, but if you have other technologies that can copy themselves and that can be made freely available to all, then this is the place for you too.Reprap.org is a community project, which means you are welcome to edit most pages on this site, or better yet, create new pages of your own. Our community portal and New Development pages have more information on how to get involved. Use the links below and on the left to explore the site contents. You'll find some content translated into other languages.RepRap is described in the video on the right.
thinkahol *

Researchers create light from 'almost nothing' - 0 views

www.physorg.com/...-create-light-from-almost.html

Researchers create light from 'almost nothing'

shared by thinkahol * on 08 Jun 11 - No Cached
  • thinkahol * on 08 Jun 11
     
    (PhysOrg.com) -- A group of physicists working out of Chalmers University of Technology in Gothenburg, Sweden, have succeeded in proving what was until now, just theory; and that is, that visible photons could be produced from the virtual particles that have been thought to exist in a quantum vacuum. In a paper published on arXiv, the team describes how they used a specially created circuit called a superconducting quantum interference device (SQUID) to modulate a bit of wire length at a roughly five percent of the speed of light, to produce visible "sparks" from the nothingness of a vacuum.
thinkahol *

How to draw pictures in midair | KurzweilAI - 0 views

www.kurzweilai.net/how-to-draw-pictures-in-midair

How to draw pictures in midair | KurzweilAI

shared by thinkahol * on 15 May 11 - No Cached
  • thinkahol * on 15 May 11
     
    A unique optical multitouch sensing technology using infrared sensors has been developed by researchers at the Interface Ecology Lab at Texas A&M University. ZeroTouch allows users to literally draw pictures in midair. It provides zero-force, zero-thickness, high-frame-rate, high-resolution, transparent multitouch sensing. ZeroTouch's new forms of free-air interaction are more precise than the Microsoft Kinect, the researchers said. ZeroTouch was demonstrated at the recent ACM Conference on Human Factors in Computing Systems in Vancouver, B.C. Ref: Moeller, J. and Kerne, A., ZeroTouch: A Zero-Thickness Optical Multi-Touch Force Field, CHI 2011 Ref: Moeller, J., Lupfer, N., Hamilton, B., Lin, H., Kerne, A., intangibleCanvas: Free-Air Finger Painting on a Projected Canvas, CHI 
thinkahol *

International Mars Mission - Associated Content from Yahoo! - associatedcontent.com - 0 views

www.associatedcontent.com/...nternational_mars_mission.html

International Mars Mission - Associated Content from Yahoo! associatedcontent.com

shared by thinkahol * on 13 Jun 11 - No Cached
  • thinkahol * on 13 Jun 11
     
    Non-technological News Have Been Rather Depressing Recently. The Human Herd Needs a Psychological and Social Uplift in the Form of Putting One of the Homo Sapiens onto a Planetary Neighbor, Mars
thinkahol *

Historic first images of rod photoreceptors in the living human eye - 0 views

www.sciencedaily.com/...110608123010.htm

Historic first images of rod photoreceptors in the living human eye

shared by thinkahol * on 13 Jun 11 - No Cached
  • thinkahol * on 13 Jun 11
     
    ScienceDaily (June 9, 2011) - Scientists have just reported that the tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. Using adaptive optics (AO), the same technology astronomers use to study distant stars and galaxies, scientists can see through the murky distortion of the outer eye, revealing the eye's cellular structure with unprecedented detail. This innovation, described in two papers in the Optical Society's (OSA) open access journal Biomedical Optics Express, will help doctors diagnose degenerative eye disorders sooner, leading to quicker intervention and more effective treatments.
thinkahol *

‪Michael Pawlyn: Using nature's genius in architecture‬‏ - YouTube - 0 views

www.youtube.com/watch

‪Michael Pawlyn: Using nature's genius in architecture‬‏ - YouTube

shared by thinkahol * on 28 Jul 11 - No Cached
  • thinkahol * on 28 Jul 11
     
    http://www.ted.com How can architects build a new world of sustainable beauty? By learning from nature. At TEDSalon in London, Michael Pawlyn describes three habits of nature that could transform architecture and society: radical resource efficiency, closed loops, and drawing energy from the sun. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, Bill Gates on malaria and mosquitoes, Pattie Maes on the "Sixth Sense" wearable tech, and "Lost" producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http://www.ted.com/translate.
thinkahol *

‪Quantum Computers and Parallel Universes‬‏ - YouTube - 0 views

www.youtube.com/watch

‪Quantum Computers and Parallel Universes‬‏ - YouTube

shared by thinkahol * on 31 Jul 11 - No Cached
  • thinkahol * on 31 Jul 11
     
    Complete video at: http://fora.tv/2009/05/23/Marcus_Chown_in_Conversation_with_Fred_Watson Marcus Chown, author of Quantum Theory Cannot Hurt You: A Guide to the Universe, discusses the mechanics behind quantum computers, explaining that they function by having atoms exist in multiple places at once. He predicts that quantum computers will be produced within 20 years. ----- The two towering achievements of modern physics are quantum theory and Einsteins general theory of relativity. Together, they explain virtually everything about the world in which we live. But almost a century after their advent, most people havent the slightest clue what either is about. Radio astronomer, award-winning writer and broadcaster Marcus Chown talks to fellow stargazer Fred Watson about his book Quantum Theory Cannot Hurt You. - Australian Broadcasting Corporation Marcus Chown is an award-winning writer and broadcaster. Formerly a radio astronomer at the California Institute of Technology, he is now cosmology consultant of the weekly science magazine New Scientist. The Magic Furnace, Marcus' second book, was chosen in Japan as one of the Books of the Year by Asahi Shimbun. In the UK, the Daily Mail called it "a dizzy page-turner with all the narrative devices you'd expect to find in Harry Potter". His latest book is called Quantum Theory Cannot Hurt You.
thinkahol *

Faces of the Recovery Act: Sun Catalytix - YouTube - 0 views

www.youtube.com/watch

Faces of the Recovery Act: Sun Catalytix - YouTube

shared by thinkahol * on 28 Sep 11 - Cached
  • thinkahol * on 28 Sep 11
     
    BOSTON- At the Massachusetts Institute of Technology, Dan Nocera talks about Sun Catalytix, the next generation of solar energy, and ARPA-E funding through the Recovery Act.
Todd Suomela

PLoS ONE: A Demonstration of the Transition from Ready-to-Hand to Unready-to-Hand - 1 views

www.plosone.org/...journal.pone.0009433

phenomenology philosophy experimental readiness-to-hand technology technology-effects experience sts

shared by Todd Suomela on 23 Sep 11 - No Cached
  • In Chapter III of Being and Time, Heidegger distinguishes three modes of experiencing the world. Most human activity, Heidegger argued, is absorbed, skillful engagement with entities in the world. When we are coping skillfully with the world, we experience entities around us as ready-to-hand.
  • Heidegger argues that skilled coping, when we engage with entities as ready-to-hand, is our primary way of engaging with the world. Sometimes, though, our skillful coping is temporarily disturbed. When this happens, we encounter entities as unready-to-hand. When we go from smoothly hammering to having difficulty, our experience of the previously ready-to-hand entities changes: we experience the hammer, nails and board as failing to serve their function appropriately.
  • Heidegger's third way of experiencing the world is as present-at-hand. The hammer is encountered as present-at-hand when we stop hammering and consider the hammer's shape or color or weight; when considered this way the hammer is no longer a useful tool but merely an object with various properties. Heidegger argued that readiness-to-hand is primary in two ways. First, the majority of our experience of the world is engaging with entities ready-to-hand. Second, readiness-to-hand is, from a phenomenological standpoint, ontologically primary while the other modes are derivative of it.
thinkahol *

Among Students, Web Connection More Important than Car - The Daily Stat - September 26,... - 0 views

web.hbr.org/...dailystat.php

Among Students Web Connection More Important than Car - The Daily Stat September 26 2011 Harvard Business Review

shared by thinkahol * on 30 Sep 11 - No Cached
  • thinkahol * on 30 Sep 11
     
    64% of college students in a global survey said that if forced to choose, they would opt for having an internet connection rather than a car. 40% said the internet is more important to them than dating, going out with friends, or listening to music. The Cisco Connected World Technology Report draws on surveys of some 1,400 students in 14 countries.Source: Is the Internet a Fundamental Human Necessity?
Todd Suomela

The Heroic Theory of Scientific Development « Apperceptual - 0 views

apperceptual.wordpress.com/...eory-of-scientific-development

sts science history discovery multiple

shared by Todd Suomela on 26 Jul 09 - Cached
  • Todd Suomela on 26 Jul 09
     
    Multiple Discovery is a very thorough study of independent simultaneous discovery in the history of science and technology. It seems that there is almost no instance of a great discovery or invention that was not discovered independently and simultaneously. In addition to a careful historical study, Lamb and Easton present a theory to explain multiple discovery, which they call evolutionary realism.
Todd Suomela

Human Computer Interaction (HCI) by John M. Carroll - Interaction-Design.org: HCI, Usab... - 0 views

www.interaction-design.org/..._computer_interaction_hci.html

hci history technology science computer sts

shared by Todd Suomela on 07 Apr 09 - Cached
  • The challenge of personal computing became manifest at an opportune time. The broad project of cognitive science, which incorporated cognitive psychology, artificial intelligence, linguistics, cognitive anthropology, and the philosophy of mind, had formed at the end of the 1970s. Part of the programme of cognitive science was to articulate systematic and scientifically-informed applications to be known as "cognitive engineering". Thus, at just the point when personal computing presented the practical need for HCI, cognitive science presented people, concepts, skills, and a vision for addressing such needs. HCI was one of the first examples of cognitive engineering. Other historically fortuitous developments contributed to establishment of HCI. Software engineering, mired in unmanageable software complexity in the 1970s, was starting to focus on nonfunctional requirements, including usability and maintainability, and on non-linear software development processes that relied heavily on testing. Computer graphics and information retrieval had emerged in the 1970s, and rapidly came to recognize that interactive systems were the key to progressing beyond early achievements. All these threads of development in computer science pointed to the same conclusion: The way forward for computing entailed understanding and better empowering users.
  • One of the most significant achievements of HCI is its evolving model of the integration of science and practice. Initially this model was articulated as a reciprocal relation between cognitive science and cognitive engineering. Later, it ambitiously incorporated a diverse science foundation, notably Activity Theory, distributed cognition, and ethnomethodology, and a culturally embedded conception of human activity, including the activities of design and technology development. Currently, the model is incorporating design practices and research across a broad spectrum. In these developments, HCI provides a blueprint for a mutual relation between science and practice that is unprecedented.
  • In the latter 1980s and early 1990s, HCI assimilated ideas from Activity Theory, distributed cognition, and ethnomethodology. This comprised a fundamental epistemological realignment. For example, the representational theory of mind, a cornerstone of cognitive science, is no longer axiomatic for HCI science. Information processing psychology and laboratory user studies, once the kernel of HCI research, became important, but niche areas. The most canonical theory-base in HCI now is socio-cultural, Activity Theory. Field studies became typical, and eventually dominant as an empirical paradigm. Collaborative interactions, that is, groups of people working together through and around computer systems (in contrast to the early 1980s user-at-PC situation) have become the default unit of analysis. It is remarkable that such fundamental realignments were so easily assimilated by the HCI community.
thinkahol *

Researchers close in on technology for making renewable petroleum - 0 views

www.sciencedaily.com/...110323135635.htm

Researchers close in on technology for making renewable petroleum

shared by thinkahol * on 30 Mar 11 - No Cached
  • thinkahol * on 30 Mar 11
     
    ScienceDaily (Mar. 29, 2011) - University of Minnesota researchers are a key step closer to making renewable petroleum fuels using bacteria, sunlight and carbon dioxide.
thinkahol *

3-D avatars could put you in two places at once | KurzweilAI - 0 views

www.kurzweilai.net/-put-you-in-two-places-at-once

3-D avatars could put you in two places at once | KurzweilAI

shared by thinkahol * on 18 Apr 11 - No Cached
  • thinkahol * on 18 Apr 11
     
    Source: New York Times - Apr 11, 2011 In their new book, Infinite Reality, Dr. Jim Blascovich and Dr. Jerry Bailenson insist that 3-D conferences with avatars are nigh because consumer technology has suddenly caught up with the work going on in virtual-reality laboratories in academia. These psychologists point to three developments in the past year: the Microsoft Kinect tracking system for the Xbox, the Nintendo 3DS gaming device, and the triumph on "Jeopardy!" of IBM's Watson computer.
Maluvia Haseltine

'Major discovery' from MIT primed to unleash solar revolution - 1 views

web.mit.edu/...oxygen-0731.html

AlternativeNews SolarEnergy GreenTechnology

shared by Maluvia Haseltine on 29 Mar 11 - Cached
Bio Synthesis liked it
  • Maluvia Haseltine on 29 Mar 11
     
    Scientists mimic essence of plants' energy storage system - and it's an extremely simple and affordable technology
Infogreen Global

The magnetism of superconductors - 0 views

infogreenglobal.com/e-magnetism-of-superconductors

superconductors superconductor superconductivity

shared by Infogreen Global on 11 Apr 11 - No Cached
  • Infogreen Global on 11 Apr 11
     
    "That discovery would revolutionize technology," Norman said. "We'd get much improved electronics, power lines, even electric motors-our best engines are less than 50 percent efficient because so much energy is lost as heat.
thinkahol *

Physicists create tap-proof waves - 0 views

www.sciencedaily.com/...110404084436.htm

Physicists create tap-proof waves

shared by thinkahol * on 06 Apr 11 - No Cached
  • thinkahol * on 06 Apr 11
     
    ScienceDaily (Apr. 4, 2011) - Scientists at the Vienna University of Technology (TU Vienna) have developed a method to steer waves on precisely defined trajectories, without any loss. This way, sound waves could be sent directly to a target, avoiding possible eavesdroppers.
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