As the engines began their low, guttural roar, the vibration traveled from the floorboards into his very bones. The plane taxied, paused, and then—with a sudden, breathtaking surge of power—pushed him back into his seat. The world outside the window blurred into a streak of gray and green. Then, the nose lifted.
Sarah’s garage was filled with the smell of solder and stale coffee. For three years, she had built prototypes of her "smart" irrigation sensor, and for three years, investors had told her the market was too crowded. Take Off
On a Tuesday afternoon, she posted a simple video of her latest version—a small, recycled-plastic device that could "talk" to plants. She went to sleep with twelve views. She woke up to twelve thousand. As the engines began their low, guttural roar,