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Don Doehla

High school stops fighting, learns to love students and tech - CNN.com - 42 views

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    Good things happening in Napa, my home town!
massicg

Aspiring teachers ill-prepared to use ed tech effectively | eSchool News - 1 views

  • In spite of their comfort with using technology tools, two-thirds of aspiring teachers say they are learning how to integrate technology into instruction mostly through their field experiences as student teachers and by observing their professors, rather than the assignments they get in school.
Paul McKean

Jolicloud - 91 views

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    Jolicloud connects you to all of your favorite online apps, social media, videos, photos and files from any computer in the world. http://ictmagic.wikispaces.com/
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    Jolicloud - Virtual Desktop http://bit.ly/jBLZjh #cloud #edtech #elearning #bookmark #share #collaborate #tech
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    We are hoping to go the Jolicloud route this coming school year. Is anyone out there using it? Comments, critiques and suggestions welcome.
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
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