Discover the secrets behind some amazing inventions! Through observation, experimentation, and perseverance, humans through the ages have managed to solve a whole array of perplexing problems. These solutions have included such incredible inventions as the parachute, the periscope, the solar water heater, the suspension bridge, the stethoscope, and many more. Now, with Build a Better Mousetrap in hand, you too can experience your own Eureka! moments of inspiration and sharpen your...
