How much should an e-book cost? Publishers set the retail price for a current e-book, like James Patterson’s “Invisible,” at $14.99. That’s a lot less than a hardcover copy of the book ($25.50), but it’s still more than Amazon thinks a reader should be paying for an e-book; Amazon says the price tag should be $9.99.
amazon wrote some not very intelligent sentences in an open letter - here are some answers…
Working with colleagues at the Harvard-MIT Center for Ultracold Atoms, Professor of Physics Mikhail Lukin and post-doctoral fellow Ofer Firstenberg have managed to coax photons into binding together to form molecules — a state of matter that, until recently, had been purely theoretical.
Scientists create never-before-seen form of matter
New research has shown that individuals who play an instrument are more capable at identifying errors and correcting mistakes, and that these benefits apply to amateur musicians as well as professionals.