The Paradox of Vertical Flight

Good morning! Today is Jack's eighteenth birthday. Here's what's happened so far...He woke up from a dream about dissecting frogs and measuring the bubbles produced by llamas. He...

The Paradox of Vertical Flight

Good morning! Today is Jack's eighteenth birthday. Here's what's happened so far—He woke up from a dream about dissecting frogs and measuring the bubbles...