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The Question & Answer (Q&A) Knowledge Managenet
The Internet has many places to ask questions about anything imaginable and find past answers on almost everything.
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National Geographic Channel is premiering Monday night a new series called “Brain Games,” a fun, smart show that, in a nontraditional way, teaches you how your mind works. Through perceptual experiments, interactive games and illusions, the show is able to, in a sense, “hack your brain,” Silva said.
In “Do I Need You?” Dr. David Eagleman explores how the human brain relies on other brains to thrive and survive. This neural interdependence begins at birth. Eagleman invites a group of babies to a puppet show to showcase their ability to discern who is trustworthy, and who isn’t.
100 billion neurons
Imaging studies suggest that the happiness response originates partly in the limbic cortex. Another area called the precuneus also plays a role. The precuneus is involved in retrieving memories, maintaining your sense of self, and focusing your attention as you move about your environment.
In the 19th Century, Hermann von Helmholtz estimated this to be 35 metres per second, but we now know that some well-insulated nerves are faster, at up 120 metres per second.
The typical reaction time for a human is about 250 milliseconds—meaning it takes you about a quarter of a second after you see something to physically react to it.
If I jiggle one electron, the other electron “senses” this vibration instantly, faster than the speed of light. Einstein thought that this therefore disproved the quantum theory, since nothing can go faster than light. Information does go faster than light, but Einstein has the last laugh.
I’ve read that it takes about 100 to 250 milliseconds for the brain to complete one “thought”. Since you have 100 billion biological CPU cores all running in parallel, that would be roughly like one core running at something like 400 to 1,000 GHz.
Memory. So far, it’s an even contest. The human brain has significantly more storage than an average computer. And a computer can process information exponentially faster than a human brain.
a billion billion calculations
1 Yottaflop is approximately 1,000,000 exaflops, or times faster than our fastest supercomputers today.
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