A little aluminum, a little lye, a little water, and quite a bit of fizz. That bubbling looks sedate, but it’s blown up a couple of trucks. And someday, who knows? It might be powering cars. We use ...

Vinegar and baking soda are staples in the kitchen. Many of us have combined them in childhood scientific experiments: think fizzy volcanoes and geysers. But people also frequently mix vinegar and ...