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Giovanni Martini
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Dust off your pens and notebooks. A new study finds laptops make note-taking so easy it’s actually ineffective. (This is why I still take handwritten notes. True, I am N of 1, but now SCIENCE backs me up.) :)

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Animation showing how Maltese cross in gear mechanism works.

The Geneva drive or Maltese cross is a gear mechanism that translates a continuous rotation into an intermittent rotary motion. The rotating drive wheel has a pin that reaches into a slot of the driven wheel advancing it by one step. The drive wheel also has a raised circular blocking disc that locks the driven wheel in position between steps.

http://en.wikipedia.org/wiki/Geneva_drive

#maths   #mathematics   #mechanical  
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The dawn of Strong AI?

"Qualcomm already has a suite of software tools that can teach computers good and bad behavior without explicit programming."

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The very purpose of our life is happiness, which is sustained by hope. We have no guarantee about the future, but we exist in the hope of something better. Hope means keeping going, thinking, ‘I can do this.’ It brings inner strength, self-confidence, the ability to do what you do honestly, truthfully and transparently.

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