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Static electricity - Wikipedia
Electrons can be exchanged between materials on contact; materials with weakly bound electrons tend to lose them while materials with sparsely filled outer shells tend to gain them. This is known as the triboelectric effect and results in one material becoming positively charged and the other negatively charged. The polarity and strength of the charge on a material once they are separated depends on their relative positions in the triboelectric series. The triboelectric effect is the main cause of static electricity as observed in everyday life, and in common high-school science demonstrations involving rubbing different materials together (e.g., fur against an acrylic rod). Contact-induced charge separation causes your hair to stand up and causes "static cling" (for example, a balloon rubbed against the hair becomes negatively charged; when near a wall, the charged balloon is attracted to positively charged particles in the wall, and can "cling" to it, appearing to be suspended against gravity).
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yesterday by nhaliday
Cost-Driven Development – Hacker Noon
For those of us developers who have a unwavering love for our craft, there will always exist a bias to make decisions based on our passion for coding rather than profitability or cost savings.
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yesterday by toddhoff
Coalitional Instincts | Edge.org
Forming coalitions around scientific or factual questions is disastrous, because it pits our urge for scientific truth-seeking against the nearly insuperable human appetite to be a good coalition member. Once scientific propositions are moralized, the scientific process is wounded, often fatally.  No one is behaving either ethically or scientifically who does not make the best case possible for rival theories with which one disagrees. 
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yesterday by toddhoff
"A Difference That Makes a Difference" | Edge.org
The key insight, which I’ve known for years, is that we have to get away from the idea of there being the pure ultimate fixed proposition that captures the information in any informational state.
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2 days ago by toddhoff
Why I’m leaving Silicon Valley – Preethi Kasireddy – Medium
Silicon Valley is paradoxically a predictable place founded on the idea of being unpredictable.
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3 days ago by toddhoff
The Secret to Strong AI – Numenta – Medium
. This provocatively suggests that all processing in the neocortex is associated with locations, even if those locations do not correspond to physical locations in the world. It suggests that we manipulate abstract concepts using the same neural mechanisms we use to manipulate physical objects. Of course, manipulating concepts is a core feature of general intelligence.
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3 days ago by toddhoff

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