Modern Marvels: Dreamers and schemers try an odd assortment of flawed ideas for inventions. Start with the cars--cars that fly, cars that float, cars with jet engines. That's just the tip of the iceberg. Here are homes that look like nothing you've ever seen and clothes too strange for even the most radical fashion runway, including rocket belts and radium-infused garments. Some of these creations were too far ahead of their time, and others were just plain bad ideas, but there's a fascinating tale behind each one, and FAILED INVENTIONS celebrates those occasions when necessity mothers a notion that only its creator could love.