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Sandy Wenzel

Normal 0 - 10 views

In the area of pre-training I could only locate one source that I felt worthy of using. It is called Guided Discovery DVD and can be seen at http://www.youtube.com/watch?v=uz6V483pg3A. It provided...

8847_ pre-training

started by Sandy Wenzel on 16 Jan 11 no follow-up yet
K Couch

New NASA Images Show The Earth's Electric Light Show : The Picture Show : NPR - 4 views

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    Updated "Earth at Night". NASA images showing light on Earth. (Composite images with cloudless skies)  Good for teaching light pollution or energy use 
Jac Londe

Earth at Night 2012 - 59 views

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    I live in Australia and I have NO idea what all those lights are in the OUTBACK!! There's more light in just a few spots in the Outback (and there's LOTS of those shown in the image) than in the WHOLE of New Zealand? What gives? Mining? Aliens? A data ERROR? The ABC .net site explains that the lights are bushfires! As the images were taken over a number of months, the fires may not have all been burning at the same time. April (when the images were started) may be a the worst time for fires, however, the Outback is usually dry and fires would occur at any time.
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    I also live in Australia and have to agree with Colin - why so many lights in the outback? The outback of Australia is very sparsely populated and there are no big cities to generate these sort of lights. Maybe it is the aliens!!!
Jac Londe

Startup turns carbon dioxide into fuels - 1 views

  • Today, carbon dioxide (CO2) is a hot topic. Scientists around the globe are searching for ways to store, dispose of, or prevent the formation of the greenhouse gas, which is a major driver of global climate change. Liquid Light hopes to take this concept one step further and harness waste CO2 as a source of carbon to make industrial chemicals and fuels.
  • Take CO2 and mix it in a water-filled chamber with an electrode and a catalyst. The ensuing chemical reaction converts CO2 into a new molecule, methanol, which can be used as a fuel, an industrial solvent or a starting material for the manufacture of other chemicals.
  • Bocarsly likes to call the process "reverse combustion" because it is like running a burning reaction backwards. Instead of burning fuel and oxygen to produce CO2, the CO2 converts back into fuel and oxygen.
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  • Cole set up a flask containing a solution of CO2 and a pyridinium catalyst dissolved in water. In place of sunlight, which emits a broad spectrum of wavelengths of light, she shined on the flask a blue light-emitting diode (LED) because it gives off certain wavelengths that are highly efficient at driving the reaction. In the flask she placed an electrode that is activated by particles of light, or photons. "We used a semiconductor electrode that would allow us to substitute light for electricity," said Cole.
  • The Princeton scientists did some additional studies, and made a surprising discovery: They could turn CO2, which contains only one carbon, into a compound with a carbon-carbon bond, which vastly increases the possibilities for creating commercial applications.
Martin Burrett

Traffic Lights - 181 views

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    A simple flash-basic set of traffic lights for managing the volume in your class. http://ictmagic.wikispaces.com/Cross+Curricular
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    Hi Martin, I was wondering how these traffic lights work? I understand the concept but how do I use them in my classroom? I looked at the link you posted and I see the stop light but after that, I became confused:( Thanks! Connie Warner
Roland Gesthuizen

chemicalsams: There Is No Such Thing as THE Flipped Class - 74 views

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    "The term "Flipped Classroom" is being thrown around a lot lately in both positive and negative light. I think the term is a bit ambiguous and does not fully do justice to all that is being done under the guise of the Flipped Classroom. My colleague, Jon Bergmann, and I have a book coming out soon that I hope brings clarity to what most of us mean by "The Flipped Classroom." In the mean time, I hope to shed some light on some of the confusion, critique, and hype. "
Martin Burrett

Christmas Maths Facts - 158 views

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    Answer the maths questions to light up the Christmas light. Choose addtion, subtraction, division or multiplication questions to answer. http://ictmagic.wikispaces.com/Winter+%26+Christmas
Jørgen Mortensen

DSLR Lighting Techniques from Eve Hazelton - YouTube - 27 views

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    How is DSLR lighting any different from any film or video lighting? Is this the start of another urban myth? or should I say DSLR myth - second hand info done by someone who needs to got back to basics.
Dallas McPheeters

Intel: Light beams can replace electronic signals for future computers - SmartPlanet - 12 views

  • Here’s how it works, step by step: The transmitter chip is made of four hybrid silicon lasers. Light beams from the lasers each travel into an optical modulator. The modulator encodes data onto the beams at 12.5Gbps. The four beams are then combined and output to a single optical fiber, for a total data rate of 50Gbps. At the other end of the link, the receiver chip separates the four optical beams and directs them into photo detectors. The photo detectors convert data back into electrical signals.
    • Dallas McPheeters
       
      The future of fast computing using laser light to transfer data 50Gb/second.
  • a video explanation:
  • “silicon photonics,”
    • Dallas McPheeters
       
      Silicon Photonics making 1Tb/sec goal of data transfer affordable and within reach of mass consumer markets. Two videos here explain how it works in less than 2 mins each.
Jac Londe

Scientists make quantum breakthrough - 25 views

  • Scientists have demonstrated for the first time that atoms can be guided in a laser beam and possess the same properties as light guided in an optical communications fiber.
  • Abstract Speckle patterns produced by multiple independent light sources are a manifestation of the coherence of the light field. Second-order correlations exhibited in phenomena such as photon bunching, termed the Hanbury Brown–Twiss effect, are a measure of quantum coherence. Here we observe for the first time atomic speckle produced by atoms transmitted through an optical waveguide, and link this to second-order correlations of the atomic arrival times. We show that multimode matter-wave guiding, which is directly analogous to multimode light guiding in optical fibres, produces a speckled transverse intensity pattern and atom bunching, whereas single-mode guiding of atoms that are output-coupled from a Bose–Einstein condensate yields a smooth intensity profile and a second-order correlation value of unity. Both first- and second-order coherence are important for applications requiring a fully coherent atomic source, such as squeezed-atom interferometry.
  • Australian National University
Martin Burrett

Traffic Lights - 63 views

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    A traffic light flash resource I made myself to control the volume the children in your class... hopefully! If you click on the link it will opening in your browser. http://ictmagic.wikispaces.com/Classroom+Management+&+Rewards
Martin Burrett

Silk - 10 views

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    "Draw with ribbons of colourful light and make beautiful pieces of digital art. Try making fantastical creatures out of light, or explore symmetry in maths."
Thieme Hennis

Lifelong Kindergarten :: MIT Media Lab - 4 views

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    "Crickets are small programmable devices that can make things spin, light up, and play music. You can plug lights, motors, and sensors into a Cricket, then write computer programs to tell them how to react and behave. With Crickets, you can create musical sculptures, interactive jewelry, dancing creatures, and other artistic inventions -- and learn important math, science, and engineering ideas in the process. Crickets are based on more than a decade of NSF-funded educational research. Lifelong Kindergarten researchers collaborated with the LEGO company to create the first "programmable bricks," squeezing computational power into LEGO bricks. This research led to the LEGO MindStorms robotics kits, now used by millions of people around the world. While LEGO MindStorms is designed especially for making robots, Crickets are designed especially for making artistic creations. Crickets were refined in collaboration with the Playful Invention and Exploration (PIE) museum network, and are now sold as a product through the Playful Invention Company (PICO)."
Jennie Snyder

Can Coaching Help Transform Teacher Quality? | huntingenglish - 68 views

  • What we must do is create an engine room of high quality teacher coaching within our schools to drive improvements in pedagogy and teacher quality.
  • The psychology of change and actually changing the habits of adult professionals is very complex. What is widely known is that externally imposed change rarely sticks and changes the culture within schools, or indeed any organization.
  • Teachers must be emotionally invested in any development of their practice in the school community. Involvement and choice are powerful drivers of habit change. Local knowledge form within the school is powerful and develops a greater degree of trust in what is an emotional and often messy process! Teacher coaches have a better knowledge of the school community; they will invariably gain greater respect than any external figures and they will certainly benefit from higher levels of trust.
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  • ‘Teacher Coaches’ are in a great position to shine a light on existing successes and spread that light across the school. School leaders can do this of course, but staff are more open to their colleagues suggesting and driving improvement. The coaches can become roles models of the best kind: undertaking research; tweaking the school environment; providing evidence of successful pedagogy; supporting underperforming colleagues; embodying a growth mindset and being open to adapting their practice to improve – in effect, becoming leading lights to drive change.
Jac Londe

Truly random numbers - 41 views

  • At a quantum scale, the motion of electrons and protons is completely and genuinely random, since it doesn’t follow a clear path of cause and effect. You basically have no idea what’s going to happen. If you can measure this somehow, than you’ve got yourself an absolutely random value.
  • “If you want to defeat an adversary who is trying to hack into your system, basically you need large quantities of random numbers,”  Sussman said.
  • “…a truly random number generator will provide impenetrable encryption for communications — be they military transmissions, secure banking, or online purchasing — that underpin the modern connected world.”
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  • The researchers used pulses of laser light, which only last a trillionth of a second, that were directed through a diamond. The light comes and goes through the diamond, however when it exists it’s changed, since it has to pass through quantum vacuum fluctuations, the microscopic flickering of the amount of energy in a point in space. Scientists can measure these pulses of light that emerge from the experimental set-up, measurements which are the truly random.
  • random numbers
  • with quantum physics
Jim Tiffin Jr

Earth | Time Lapse View from Space, Fly Over | NASA, ISS on Vimeo - 100 views

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    Time lapse sequences of photographs taken by the crew of expeditions 28 & 29 onboard the International Space Station from August to October, 2011, who to my knowledge shot these pictures at an altitude of around 350 km.
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    Fascinating time lapse video from the International Space Station showing a view of the globe including cities lit up at night, and the Northern Lights flickering in the upper atmosphere.
maryann diedwardo

The Passing Light BLOG by Maryann DiEdwardo - 8 views

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    The Passing Light is Maryann DiEdwardo's blog about literary topics.
Carol Ansel

The Daring Librarian: Wikipedia is not wicked! - The Answer Sheet - The Washington Post - 70 views

  • Teaching Wikipedia in 5 Easy Steps: *Use it as background information *Use it for technology terms *Use it for current pop cultural literacy *Use it for the Keywords *Use it for the REFERENCES at the bottom of the page!
  • 4 ways to use Wikipedia (hint: never cite it) Teachers: Please stop prohibiting the use of Wikipedia 20 Little Known Ways to Use Wikipedia Study: Wikipedia as accurate as Encyclopedia Britannica Schiff, Stacy. “Know it all: Can Wikipedia conquer expertise?” The New Yorker, February 26, 2006 And: Yes students, there’s a world beyond Wikipedia **Several years ago, Nature magazine did a comparison of material available on Wikipedia and Brittanica and concluded that Brittanica was somewhat, but not overwhelmingly, more accurate than Wikipedia. Brittanica lodged a complaint, and here, you can see what it complained about as well as Nature’s response. Nature compared articles from both organizations on various topics and sent them to experts to review. Per article, the averages were: 2.92 mistakes per article for Britannica and 3.86 for Wikipedia. -0- Follow The Answer Sheet every day by bookmarking http://www.washingtonpost.com/blogs/answer-sheet. And for admissions advice, college news and links to campus papers, please check out our Higher Education page. Bookmark it! var entrycat = ' ' By Valerie Strauss  |  05:00 AM ET, 09/07/2011 .connect_widget .connect_widget_text .connect_widget_connected_text a {display:block;} #center {overflow:visible;} /*.override-width iframe {width:274px !important;}*/ Tumblr Reddit Stumbleupon Digg Delicious LinkedIn http://platform.twitter.com/widgets/tweet_button.html#_=1315504289567&count=horizontal&counturl=http%3A%2F%2Fwww.washingtonpost.com%2Fblogs%2Fanswer-sheet%2Fpost%2F
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    Excellent perspective on "The 'W' Word" - use it wisely for what it is - high school and college kids shouldn't be citing any general knowledge encyclopedias for serious research - but that doesn't mean there aren't some excellent uses for it.
Martin Burrett

Silk - Draw with light - 66 views

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    Draw with ribbons of colourful light and make beautiful pieces of digital art. http://ictmagic.wikispaces.com/Art,+Craft+&+Design
robert morris

STEM + Art: A Brilliant Combination - Education Week - 44 views

  • asked permission to hire an arts-integration teacher
  • and that year and subsequent years, the scores on the state assessments improved.
  • a compendium of 62 research studies that support the powerful positive academic and social effects of learning in and through the arts
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  • The research confirms what we know to be true. The arts impact all learning.
  • Neuroscience has also provided an emerging branch of research related to studying the arts. For instance, "Learning Arts and the Brain: The Dana Consortium Report on Arts and Cognition" reinforced the positive impact arts learning has on a young person's ability to retain information.
  • Neither the arts nor the sciences have a monopoly on teaching creativity, collaboration, or problem-solving skills.
  • The design process proved to be as important as the finished product.
  • Schools must provide opportunities for students to learn across disciplines. No longer can we teach in silos.
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    ""Education is not the filling of a pail, but the lighting of a fire." -William Butler Yeats"
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    ""Education is not the filling of a pail, but the lighting of a fire." -William Butler Yeats"
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