Walter Lewin · 301 pages
Rating: (2.2K votes)
“What counts, I found, is not what you cover, but what you uncover. Covering subjects in a class can be a boring exercise, and students feel it. Uncovering the laws of physics and making them see through the equations, on the other hand, demonstrates the process of discovery, with all its newness and excitement, and students love being part of it.”
“why on earth should you generate current in that coil? It wasn’t clear at first what the importance of this discovery was. Soon afterward, the story goes, a dubious politician asked Faraday if his discovery had any practical value, and Faraday is supposed to have responded,”
“My purpose in the classroom, and the main reason I’ve written this book, is to translate the truly astounding, groundbreaking, sometimes even revolutionary discoveries of my fellow physicists into concepts and language intelligent, curious laypeople can really get hold of—to make a bridge between the world of professional scientists and your world. Too many of us seem to prefer talking only to our peers and make it awfully difficult for most people—even those who really want to understand science—to enter our world.”
“of glass and put a magnet underneath, get ready for some remarkable results—a lot more interesting”
“The characteristic sounds of a trumpet, oboe, banjo, piano, or violin are due to the distinct cocktail of harmonic frequencies that each instrument produces. I love the image of an invisible cosmic bartender, expert in creating hundreds of different harmonic cocktails, who can serve up a banjo to this customer, a kettledrum to the next, and an erhu or a trombone to the one after that”
“How naïve to believe that there might be a single answer to every question. Every mystery. That there exists a lone, divine light that rules over everything. They say it is a light that brings truth and love. I say it is a light that blinds us—and forces us to stumble about in ignorance. I long for the day when men will turn away from invisible monsters, and once more embrace a more rational view of the world. But these new religions are so convenient—and promise such terrible punishment should one reject them—I worry that fear shall keep us stuck to what is truly the greatest lie ever told . . .”
“Every decision I make is determined solely by the spark and limitations of my own perspective”
“Josh had a movie star jewfro and a smug little grin”
“When love of one’s people becomes an absolute, it turns into racism. When love of equality turns into a supreme thing, it can result in hatred and violence toward anyone who has led a privileged life. It is the settled tendency of human societies to turn good political causes into counterfeit gods. As we have mentioned, Ernest Becker wrote that in a society that has lost the reality of God, many people will look to romantic love to give them the fulfillment they once found in religious experience. Nietzsche, however, believed it would be money that would replace God. But there is another candidate to fill this spiritual vacuum. We can also look to politics. We can look upon our political leaders as “messiahs,” our political policies as saving doctrine, and turn our political activism into a kind of religion.”
“I don't sleep with that many chicks, and if I did, so what? There's nuthin' wrong with sex. It's you religious types who have a problem with it, slut-shaming people who enjoy what your so-called God gave them.”
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