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Greg Williams

Teaching in Social and Technological Networks « Connectivism - 0 views

www.connectivism.ca/?p=220

connectivism teaching learning education

shared by Greg Williams on 26 Sep 12 - Cached
  • What is the role of a teacher?
    • Greg Williams
      Greg Williams on 26 Sep 12
       
      And what is the role of education? Hard to know what the teacher should be doing if we can't answer that
  • How can we achieve clear outcomes through distributed means? How can we achieve learning targets when the educator is no longer able to control the actions of learners?
  • control is being replaced with influence.
  • ...2 more annotations...
  • A curator is an expert learner.
  • they don’t adhere to traditional in-class teacher-centric power structures. A curator balances the freedom of individual learners with the thoughtful interpretation of the subject being explored.
Gideon Burton

Playing Games for All the Wrong Reasons - IGN - 1 views

www.ign.com/...ames-for-all-the-wrong-reasons

video games

shared by Gideon Burton on 28 Aug 12 - No Cached
  • Gideon Burton on 28 Aug 12
     
    On the achievement psychology of video games
Kristen Nicole Cardon

Op-Ed Playlist - Video Library - The New York Times - 0 views

video.nytimes.com/...index.html

education stress testing documentary achievement digiciv web2.0

shared by Kristen Nicole Cardon on 28 Sep 10 - No Cached
  • Kristen Nicole Cardon on 28 Sep 10
     
    Course content quality vs. course content quantity.  Remember AP classes?  I loved them!  This is a new perspective.
Kristen Nicole Cardon

Race to Nowhere | Changing lives one film at a time - 2 views

www.racetonowhere.com

education stress testing documentary achievement film clilp digiciv

shared by Kristen Nicole Cardon on 28 Sep 10 - Cached
  • Kristen Nicole Cardon on 28 Sep 10
     
    I highly suggest watching this clip.  It's food for thought if nothing else--what are the flaws of our educational system, what are the consequences of those flaws, and how can we fix it?
  • Bri Zabriskie on 28 Sep 10
     
    Hey Kristen, this guy writes music for children and also political songs. This song he wrote is along those same lines. You might be interested: http://www.youtube.com/watch?v=8dAujuqCo7s
Brian Earley

Life's Lessons Learned - 0 views

new.lds.org/...lifes-lessons-learned

digiciv thoreau

shared by Brian Earley on 12 Oct 10 - No Cached
    • Brian Earley
      Brian Earley on 12 Oct 10
       
      Thoreau put his priorities on understanding himself.  We must make our priorities and work diligently for them.
  • I have known many great men and women.
  • they all have this in common: they work diligently and persistently towards achieving their goals
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  • “If one advances confidently in the direction of his dreams,” wrote Henry David Thoreau, “and endeavors to live the life which he has imagined, he will meet with a success unexpected in common hours.”1     UAdd a Note In other words, never take your eye off the ball.
  • Brian Earley on 12 Oct 10
     
    I love this football story, but it emphasizes following simple principles in a complex system.  "Keep your eye on the . . ." We each decide what fills the blank.  Let's see our dreams and advance confidently in that direction.
Katherine Chipman

The Engines - The Babbage Engine | Computer History Museum - 0 views

www.computerhistory.org/...engines

babbage

shared by Katherine Chipman on 14 Oct 10 - Cached
  • Difference engines are strictly calculators. They crunch numbers the only way they know how - by repeated addition according to the method of finite differences. They cannot be used for general arithmetical calculation. The Analytical Engine is much more than a calculator and marks the progression from the mechanized arithmetic of calculation to fully-fledged general-purpose computation.
  • Physical Legacy Aside from a few partially complete mechanical assemblies and test models of small working sections, none of Babbage's designs was physically realized in its entirety in his lifetime. The major assembly he did complete was one-seventh of Difference Engine No. 1, a demonstration piece consisting of about 2,000 parts assembled in 1832. This works impeccably to this day and is the first successful automatic calculating device to embody mathematical rule in mechanism. A small experimental piece of the Analytical Engine was under construction at the time of Babbage's death in 1871. Many of the small experimental assemblies survived, as does a comprehensive archive of his drawings and notebooks. The designs for Babbage's vast mechanical computing engines rank as one of the startling intellectual achievements of the 19th century. It is only in recent decades that his work has been studied in detail and that the extent of what he accomplished becomes increasingly evident.
  • Katherine Chipman on 14 Oct 10
     
    Great explanation of the difference between difference engines and analytical engines.
Bri Zabriskie

Difference engine - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...Difference_engine

shared by Bri Zabriskie on 13 Oct 10 - Cached
    • Bri Zabriskie
      Bri Zabriskie on 13 Oct 10
       
      cool!:D
  • he difference engine and printer were constructed to tolerances achievable with 19th century technology, resolving a long-standing debate whether Babbage's design would actually have worked.
James Wilcox

Airplane Timeline - Greatest Engineering Achievements of the Twentieth Century - 0 views

www.greatachievements.org/?id=3728

digiciv

shared by James Wilcox on 15 Nov 10 - Cached
    • James Wilcox
      James Wilcox on 15 Nov 10
       
      I love helicopters!  But I never knew that they had been around for so many years.
  • 1947   Sound barrior broken U.S. Air Force pilot Captain Charles "Chuck" Yeager becomes the fastest man alive when he pilots the Bell X-1 faster than sound for the first time on October 14 over the town of Victorville, California.
  • 1952   Discovery of the area rule of aircraft design Richard Whitcomb, an engineer at Langley Memorial Aeronautical Laboratory, discovers and experimentally verifies an aircraft design concept known as the area rule. A revolutionary method of designing aircraft to reduce drag and increase speed without additional power, the area rule is incorporated into the development of almost every American supersonic aircraft. He later invents winglets, which increase the lift-to-drag ratio of transport airplanes and other vehicles.
  • ...7 more annotations...
  • 1925-1926   Introduction of lightweight, air-cooled radial engines The introduction of a new generation of lightweight, air-cooled radial engines revolutionizes aeronautics, making bigger, faster planes possible.
  •   1917   The Junkers J4, an all-metal airplane, introduced Hugo Junkers, a German professor of mechanics introduces the Junkers J4, an all-metal airplane built largely of a relatively lightweight aluminum alloy called duralumin.
  • 1904   Concept of a fixed "boundary layer" described in paper by Ludwig Prandtl German professor Ludwig Prandtl presents one of the most important papers in the history of aerodynamics, an eight-page document describing the concept of a fixed "boundary layer," the molecular layer of air on the surface of an aircraft wing. Over the next 20 years Prandtl and his graduate students pioneer theoretical aerodynamics.
  • 1933   First modern commercial airliner In February, Boeing introduces the 247, a twin-engine 10-passenger monoplane that is the first modern commercial airliner. With variable-pitch propellers, it has an economical cruising speed and excellent takeoff. Retractable landing gear reduces drag during flight.
  • 935   First practical radar British scientist Sir Robert Watson-Watt patents the first practical radar (for radio detection and ranging) system for meteorological applications. During World War II radar is successfully used in Great Britain to detect incoming aircraft and provide information to intercept bombers.
  • 1937   Jet engines designed Jet engines designed independently by Britain’s Frank Whittle and Germany’s Hans von Ohain make their first test runs. (Seven years earlier, Whittle, a young Royal Air Force officer, filed a patent for a gas turbine engine to power an aircraft, but the Royal Air Ministry was not interested in developing the idea at the time. Meanwhile, German doctoral student Von Ohain was developing his own design.) Two years later, on August 27, the first jet aircraft, the Heinkel HE 178, takes off, powered by von Ohain’s HE S-3 engine.
  •   1939   First practical singlerotor helicopters Russian emigre Igor Sikorsky develops the VS-300 helicopter for the U.S. Army, one of the first practical singlerotor helicopters.
Brandon McCloskey

Agricultural Revolution in England 1500 - 1850 - 0 views

www.bbc.co.uk/...ricultural_revolution_01.shtml

history science

shared by Brandon McCloskey on 23 Nov 10 - No Cached
  • This new system of farming was remarkable because it was sustainable; the output of food was increased dramatically, without endangering the long-term viability of English agriculture. But just as a sustainable agriculture had been achieved, the development of chemical fertilisers and other external inputs undermined this sustainability. An essentially organic agriculture was gradually replaced by a farming system that depended on energy-intensive inputs dependent on the exploitation of fossil fuels.
  • Brandon McCloskey on 23 Nov 10
     
    Article on the advances during the agricultural revolution
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