To a point they do. However, not everything scales well. To get an accurate representation EVERYTHING must be scaled, gravity included. Money is also the big factor. The labs have setups they can change to test lots of different conditions, but they can't replicate the existing machine that will be modified. We vet out the critical variables, and then use our brains to make the leap to the real size.

This test was a great proof of concept and achievement.

Anybody wonder why PFAS is in everybody's system? It's because it's in everything. Some people have inhaled it directly into their lungs for years.

https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Faacijournal.biomedcentral.com%2Farticles%2F10.1186%2Fs13223-017-0202-0
"Current pressurised metered dose asthma inhaler (pMDI) propellants are not inert pharmacologically as were previous chlorofluorocarbons, have smooth muscle relaxant partial pressure effects in the lungs and inhaled hydrofluoroalkane 134a (norflurane) has anaesthetic effects. Volumes of propellant gas per actuation have never been measured."

I haven't watched regular NASCAR for years because they made it boring. I watched a couple of sim races last year. They were actually entertaining. The racing seemed better because all of the cars were similar enough that it took the big money out of it. The racers were also more aggressive because who cares if you wreck a bunch of pixels?

It will never replace the real thing because you can't replace the roar, feeling the power as they drive by, or the smells.

Was this from the "No Shit Department of Things That are Obvious"?

Do you know what they call couples that use the rhythm method for birth control?
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Parents

It's way up there--gotta love corporate America.

Yes, but this time everybody should get the same size slice of the pie.