Template:Are You Sure/January 30
• ... that a flowchart is a type of diagram that represents a step-by-step approach to solving a task, with the steps represented as boxes of various kinds, and their order by connecting the boxes with arrows?
• ... that inventor and engineer James Watt realized that contemporary engine designs wasted a great deal of energy by repeatedly cooling and reheating the cylinder, and that he consequently invented the separate condenser, which avoided this waste of energy and radically improved the power, efficiency, and cost-effectiveness of steam engines?
• ... that artist Gil Kane pioneered the graphic novel with his books His Name is...Savage (1968) and Blackmark (1971)?
• ... that the corpse of Oliver Cromwell was ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed?