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Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement.Indeed, if there were such a thing as a purely logical principle of induction, there would be no problem of induction; for in this case, all inductive inferences would have to be regarded as purely logical or tautological transformations, just like inferences in deductive logic.
The Logic of Scientific Discovery
Karl Popper
At one point Musk responded with a very self-aware email. “I am by nature obsessive-compulsive,” he wrote Fricker. “What matters to me is winning, and not in a small way. God knows why… it’s probably rooted in some very disturbing psychoanalytical black hole or neural short circuit.”
Elon Musk
Walter Isaacson
The maximum theoretical net efficiency of photosynthesis (after subtracting all respiration losses) is about four per cent of insolation, but this rate can be approached only during brief periods and in the presence of adequate water and nutrients. Intensively tended (irrigated, fertilized) crops can average two per cent efficiency during their growing season; the most productive temperate and tropical forests approach 1.5%. The global continental average is only 0.33%, and, because oceanic phytoplankton convert less than 0.1% of insolation into new aquatic phytomass, the average for the entire biosphere is less than 0.2%. To put it differently, the energy of only one in 500 photons which reach the planet’s ice-free surface gets converted into new phytomass.
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