by John Macdonald | Sep 9, 2024 | The250
The first jetliner, the de Havilland Comet, was originally built with square windows. A simple aesthetic choice. Then, in 1954, two Comets disintegrated midair within a couple of months of each other. They crashed because of...
by John Macdonald | Sep 8, 2024 | The250
Is the model right? As it turns out, the decision to forgo Boeing’s Starliner return of the stranded astronauts came down to whether they believed the model’s prediction of thruster degradation — will the thrusters have enough helium...
by John Macdonald | Sep 7, 2024 | The250
Today, I turn 55. One could make a plausible (although far-fetched and dubious) argument that 100 is attainable. Therefore, 50 is the middle. One cannot make that argument about 110. The point is we’re definitely on the backend. What’s the...
by John Macdonald | Sep 6, 2024 | The250
We usually say, “Don’t shoot the messenger.” That’s a shield. What we usually mean by that is: “I’m afraid of blame.””It’s not my responsibility.””It’s not my message.” But if we care...
by John Macdonald | Sep 5, 2024 | The250
Well, introverts, you did it. But there’s one last thing you need to do. When you get home, or first thing the next day, send everyone you met a message. It’s a very simple message: “Hi _, it was nice to meet you tonight. Hope you have a great rest...
