Richard Whitcomb significantly impacted modern airplane design through inventions like winglets, the supercritical airfoil, and the transonic area rule. Whitcomb's transonic area rule, though possibly ...

Why do supersonic planes have narrow fuselages over the wings? Why are engines slightly forward? It’s all about the "Area Rule," a fascinating design principle that reduces drag and increases speed.

Built with the area rule in mind, the narrow-waisted Convair F-106 Delta Dart was the U.S. Air Force’s main interceptor from the 1960s to the 1980s. Staff Sgt. John K. McDowell Mark Mallari of Manila, ...

Purpose of Rule: Rule 6 covers how to play a hole – such as the specific Rules for teeing off to start a hole, the requirement to use the same ball for an entire hole except when substitution is ...

No matter how skilled a golfer you are, hitting into a hazard — penalty area — is inevitable. Even PGA Tour pros find themselves hitting their balls into these less-than-desirable places from time to ...

Golf is a game of honor that is largely officiated by the players themselves. Because of this fact, it’s important to have an understanding of the all-important Rules of Golf. From how to take a ...

The process for optimization and data selection has been automated completely using the BET surface area rules advocated by Professor Jean Rouquerol, CNRS Marseille, FR. Prof. Rouquerol contributed ...