Download Albert Einstein (su vida, su obra y su mundo) by José Manuel Sánchez Ron PDF

By José Manuel Sánchez Ron

Considerado por los angeles revista Time en diciembre de 1999 como «el Personaje del siglo xx», Albert Einstein dejó una huella imborrable en l. a. historia de los angeles ciencia, con profundas implicaciones tanto en l. a. cultura como en el desarrollo sociopolítico de aquel siglo. Fue el gran protagonista de los angeles denominada «revolución relativista», que alteró de manera radical las rules que hasta entonces se sostenían sobre dos conceptos tan fundamentales como espacio y tiempo, y que culminó en l. a. que probablemente sea los angeles creación más unique de toda l. a. historia de l. a. ciencia, l. a. teoría de l. a. relatividad basic, que desbancó a los angeles vieja teoría de l. a. gravitación common de Isaac Newton. Y aunque finalmente repudió l. a. dirección que tomó, fue también uno de los responsables de que los angeles otra gran revolución de l. a. física del siglo xx, l. a. de los angeles física cuántica, se pusiera en marcha. En este libro, combinando el máximo rigor histórico con su acostumbrada claridad y elegancia expositiva, el catedrático de Historia de los angeles Ciencia y miembro de l. a. actual Academia Española, Sánchez Ron desentraña l. a. historia de los trabajos científicos de Einstein, que involucraron a una parte sustancial de los mejores físicos de l. a. primera mitad del siglo xx. Pero no se limita sólo al mundo de l. a. ciencia; al fin y al cabo, Einstein fue algo así como «un espejo del siglo xx», estando su vida indisolublemente asociada a los principales acontecimientos políticos y sociales de su tiempo (entre ellos las dos guerras mundiales), una dimensión de su biografía que, junto a l. a. de los avatares personales de su vida, explica el profesor Sánchez Ron, en un libro, profusamente ilustrado, que constituirá un hito en los angeles historia de l. a. ciencia, en cualquier idioma.

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The Truth Trap What did Alfred North Whitehead mean, in the quote that begins Chapter 1, that there are no whole truths, only half-truths? I used that quote because the distinction-meme Truth, meaning absolute fact or authority, is not part of the new paradigm of memetics. The truth of any proposition depends upon the assumptions you make in considering it—the distinction-memes you use in thinking about it. You might say that the sun rises in the east and sets in the west. Is that true? Maybe it’s more accurate to say that the earth orbits the sun.

If you realize there are only half-truths—that the truth of any meme depends on the context in which it exists—you have a powerful weapon against the programming of mind viruses. Do you obey rules or any form of authority other than yourself? Laws, your superiors at work, doctors, parents . . I hope you are respectful of your fellow inhabitants of the planet, but I also hope you realize that anytime you’re obeying instructions, you’re ripe for exploitation by mind viruses. As you’ll see in Chapter 3, viruses work by taking instruction-obeying mechanisms and *Even the half-truth “The sun sets in the west” has questionable assumptions.

Mind viruses often fill our heads with self-sabotaging attitudes— memes—that hinder us from making the most of our lives. Self-fulfilling prophecy is the reason psychics and horoscopes can work. There’s an excellent psychic named Maxwell who works in a local Seattle restaurant. I say “excellent” because I’ve seen him work twice. Both times he gave tarot-card readings to friends of mine that predicted health, wealth, and happiness, provided they seized the opportunity to pursue their life passion and acted soon.

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