“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… — Walter Lewin Copy Share Image
What counts, I found, is not what you cover, but what you uncover. Covering subjects in a class can be a boring exercise, and… — Walter Lewin Copy Share Image
“of glass and put a magnet underneath, get ready for some remarkable results—a lot more interesting” — Walter Lewin Copy Share Image
“The characteristic sounds of a trumpet, oboe, banjo, piano, or violin are due to the distinct cocktail of harmonic frequencies that each instrument produces.… — Walter Lewin Copy Share Image
“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,… — Walter Lewin Copy Share Image
“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… — Walter Lewin Copy Share Image
“His laws changed all of physics and astronomy. His laws made it possible to calculate the mass of the sun and planets. The way… — Walter Lewin Copy Share Image
