The mousetrap illustrates one of the fundamental flaws in the ... Because the hold-down bar is a lever, it holds the hammer down with much less force and therefore requires less force to dislodge. The ...

“Build a better mousetrap, and the world will beat a path ... How: Lures in a rat and, when it puts weight on a lever, impales it with the other end. The breakthrough: This 1898 invention ...

The device itself is part weighing scale, part mousetrap. With the IV bag suspended from one end of a lever arm, a counterweight is placed on the other to balance it. From the balanced position ...

Wrote Graham: "I realize this sounds like a lot of work, but the tied cheesecloth forces the mouse to pull on the lever -- rather ... No Touch Mouse Trap. If all else fails, you might try the ...

They attached a long lever to slowly turn a propeller ... and pine to make his version of a paddlewheel mousetrap boat. It moved about three-quarters of the way down the tank Tuesday.

His wife, Pam, suggested a lever on the side so that a person unloading ... A demonstration of how the Micro Mouse Trap works can be found on YouTube, thanks to Dennis LaRoque's grandson, Jacob ...