…. Or, visit your local University’s library for an even grander selection. Buy very, very cheap books. Ok, so this one’s almost free. There are hundreds of books selling at less than 1 cent on Amazon. They’re not all worth a penny, but there are some real jewels among the noise, which you can get for only the price of shipping. To find them, try browsing by subject, and then selecting “Sort by Price: Low to High.” Reading With Questionable Scruple…
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…hysics and philosophy of general relativity, all of which is available for free online. If you know of any online resources that are not on this list, suggest them in the comments and I will add them to the list! Contents Non-mathematical introductions to general relativity Mathematical introductions to general relativity Philosophy of general relativity Other general relativity references. Non-mathematical introductions to general relativity Eins…
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…review over at Backreaction. My favorite two of her many suggestions are: Online interface for anonymous author-reviewer communication. Why keep the slow (and frankly archaic) editor-mediated communication between author and reviewer, when everyone has access to the interwebs? An anonymized online interface would be quicker, easier, and more useful. In particular, it would allow for quick clarificatory questions, and even back-and-forth discussio…
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…o make and sell burgers in. The wealthy Scrooge McDuck had enough money to buy buildings. So they struck the following deal. McDuck gave BurgerBee the money to buy a building for their burger joint (say, 100,000 dollars). In return, BurgerBee gave McDuck a little certificate, which says that BurgerBee will pay McDuck MUCH MORE than the original amount (say, 200,000 dollars). But the payments are made in small amounts, every month, over the course…
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…ies fall. But you can still try to put upper and lower bounds on motion in free fall, in order to get your result. How can the law of uniform velocity provide bounds on the time it takes for a body to fall? On Monday, I’ll elaborate on that last hint. (It’s actually an interesting problem all by itself.) Later, I’ll sketch a little bit of the first answer to this challenge, which was given by Pierre de Fermat in an obscure letter to Gassendi, arou…
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