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Weather

Why You Can’t Judge How Dark it is on Television

When you were a kid, perhaps you locked yourself in the bathroom, turned out the lights, positioned yourself in front of the mirror and then turned on the lights to watch your pupils grow. And if you’ve never done this, shame on you for not being curious. Go do it. Now. […]

Auto Club Speedway of California
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Concussion

NASCAR Concussions II: A Screening Test to Avoid Relying Entirely on the Driver

I was lucky enough to speak with Dr. Mark Lovell, an innovator in neurocognitive testing inbetween talks at a conference he was attending. Dr. Lovell came to my attention as the developer of the ImPACT (Immediate Post-Concussion Assessment Testing) test, which was one of the tools used to evaluate Dale Earnhardt, Jr.’s concussion. […]

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Pocono
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Browne, Josh

Is Tire Fall-Off the Way to Fix “Broken” Tracks?

There’s been an awful lot of talk recently about changing the layout at various track to make racing more exciting. Bristol is the most-talked-about track, with Bruton Smith planning a $1M revamp of the track to take it back to the way it was before he changed it in 2007. […]

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Aerodynamics
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Cooling

Popping Off: Breaking the Two-Car Draft by Heating up the Engines

In a NASCAR car, the pop-off valves open and route the escaping steam and/or water through a tube that passes up near the right-hand side of the car’s windshield. When you see a car “pushing water”, the maximum pressure has been exceeded and the pop-off valve opened. […]