The Seebeck Effect

The Estonian physicist Thomas Johann Seebeck died a couple of generations before the Wright Brothers demonstrated powered flight. Each December I remember to thank the brothers from Dayton for their courage and persistence that eventually led to the gift of aviation...

Scramble

Some words just mean what they mean and that’s all you get. Some words give you options. Scramble can be a verb or a noun. It can mean to order fighter jets into the air immediately, or a way to cook eggs, or a disordered mixture of things. When we confuse or...

Magic Numbers

It’s that time in the baseball season when teams calculate their magic number – the combination of their wins and losses by others that will clinch the pennant. Computer programmers use the term for something unrelated to baseball. Either way, it seems...

Savvy Test Profile Common Errors

When it comes to troubleshooting issues with an aircraft engine, it’s probably safe to say that any engine data is better than no data at all. Data from cruise flights can tell us about the airplane’s normal operations, and when we have enough data from an...