Chicago entrepreneur Lewis Larsen claims a small device could power your house, diminish fossil fuel use, even shift the global balance of power. But to get it made, he must persuade investors to look past one of science's most embarrassing scandals.
The device Lewis Larsen plans to build is about the size of a microwave oven. He figures it will sell for less than a conventional home furnace. The fuel—small amounts of lithium and hydrogen—will be cheaper too. Two of these devices, he…