Practice Your Aerial Photography with This Budget-Friendly Drone

Candela makes an unusual style of watercraft called a hydrofoiling boat, which glides above the sea on fins for a smoother, more efficient ride — doubly unusual, in fact, in that it is electrically propelled. The company has raised $24 million to accelerate production of its existing small craft and a larger commercial one, in pursuit of cleaner and generally more future-proof waters.The principle