Armed with hatchets and knives, slave and educated minister Nat Turner and seven of his followers launched a violent rebellion in Southampton County, Virginia, on August 21, 1831.
Like most other pieces of cardiovascular exercise equipment, a recumbent bike can provide you with a good workout -- assuming you put a decent effort into it.
When you consider the recumbent and the stationary bike they are very similar with the exception of the fact that the stationary is a little more demanding on the core musculature. More demands on the core means more firing of more muscle fibers which means more caloric burn.