Category Archives: fluid dynamics

Mathematical Proof the Eagle in the USPS Logo is FAST!

The logo for the United States Postal Service is a mean-looking eagle. But a true fluid dynamics geek might look at it and realize that eagle is moving so fast it’s causing a shock wave. But just how fast is it moving? [Andrew Higgins] asked and answered this question, posting …read more

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Posted in aeronautics, algebra, fluid dynamics, math, misc hacks, rocket science, United States Postal Service, USPS | Leave a comment

Burning Propane Beautifully Illustrates How a Tesla Valve Works

When you hear the name “Tesla”, chances are good that thoughts turn instantly to the company that’s trying to reinvent the motor vehicle and every industry that makes it possible. While we applaud the effort, it’s a shame that they chose to appropriate the surname of a Serbian polymath as …read more

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Posted in combustion, explosion, fluid dynamics, misc hacks, propane, Tesla valve, turbulence | Leave a comment