Baking powder and water shaken not stirred
From the archive: published Jun 6, 2009, 17 years ago. Details may have changed since.
Different items mixed together can result in interesting reactions, but what I didn’t know before today was that baking powder and water shaken not stirred results in an explosion.
This guys test theory, starting from a small sample, up to a huge mixing bowl. The result at the end makes it worth watching.