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Jac Londe

Truly random numbers - 41 views

www.zmescience.com/...generated-with-quantum-physics

numbers quantum physics science onde

shared by Jac Londe on 29 Nov 11 - No Cached
  • 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.”
  • ...3 more annotations...
  • 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
Louisa Guest

Education Rethink: 11 Reasons Teachers Aren't Using Technology #edchat #edtech - 51 views

www.educationrethink.com/...sons-teachers-arent-using.html

education teachers technology

shared by Louisa Guest on 15 Jul 12 - No Cached
    • Louisa Guest
      Louisa Guest on 15 Jul 12
       
      If any of these reasons resonate with you, please let's make time for a chat and work together to overcome them
  • Fear:
  • Low Self-Efficacy:
  • ...13 more annotations...
  • What they lacked was a belief in their own ability to create tech-integrated lessons.
  • Testing
  • Consumerism
  • reading is viewed culturally as educational while all things techie tend to be viewed culturally as entertainment.
  • Lack of Leadership
  • Inconsistent Paradigms
  • Personal Experience:
  • If teachers themselves have never used these tools in their free time and schools haven't used these in professional development, the tools will always seem strange.
  • Humility: It takes a certain level of humility to say, "my non-tech approach is wrong and maybe I need to consider technology." 
  • It's Optional
  • : I am not a fan compliance-driven leadership. However, in a culture of compliance, some teachers will only do what leaders mandate them to do. So, technology isn't required. Somehow, we treat it as if it's a matter of personal choice in a way that we would never do with pedagogy. Someone is still allowed to be a "good teacher" and use virtually no technology whatsoever. Failure isn't an option, but irrelevance is. Somehow we've screwed up our priorities. Somehow we've allowed teacher comfort level to drive what we use with students.
  • Lack of Technology:
  • Lack of Research:
David Longman

The Project - Technology for Learning - 1 views

sites.google.com/...the-project

shared by David Longman on 15 Feb 12 - No Cached
    • David Longman
      David Longman on 15 Feb 12
       
      First section is clearly written. Perhaps this first paragraph could have been very explicit so as to guide the reader in.
Libbey Kitten

Ten Videos Every Educator Should Watch (and Reflect on) | Eductechalogy - 3 views

eductechalogy.org/...285

shared by Libbey Kitten on 03 Mar 12 - No Cached
  • Libbey Kitten on 03 Mar 12
     
    The internet abound with videos for educators, some contextual and benefit educators in particular situations at a particular time (e.g. tools tutorials) while others are timeless by focusing on what really matters in education. Below are 10 videos that every educator should watch and reflect on his teaching context.
Dimitris Tzouris

5,000 Years in 90 Seconds | Open Culture - 82 views

www.openculture.com/...5000_years_in_90_seconds.html

maps history animation timeline

shared by Dimitris Tzouris on 29 Jun 10 - Cached
A B liked it
  • A B on 29 Jun 10
     
    awesome, thanks for sharing
Joanna Gerakios

Free Technology for Teachers: Month in Review - July's Most Popular Posts - 109 views

www.freetech4teachers.com/...review-julys-most-popular.html

July technology teachers most popular

shared by Joanna Gerakios on 03 Aug 10 - No Cached
  • Joanna Gerakios on 03 Aug 10
     
    Where does he find the time?
Nate Fish

HTML5 Player for iPad and iPhone | SlideRocket Online Presentation Software - 42 views

www.sliderocket.com/...ml5-player-for-ipad-and-iphone

shared by Nate Fish on 17 Nov 10 - No Cached
  • Nate Fish on 17 Nov 10
     
    Converts PowerPoint presentations into a slideshow that can be viewed on any internet browser, INCLUDING iPhone, iPod Touch, and iPad.
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