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Pinnacles National Park Run Details

Hi Everyone,  RAIN or SHINE we will visit Pinnacles National Park on Saturday, November 11, 2017. MEETING/DEPARTURE TIME: 9:00am/9:30am ...

How Fast Do You Need To Go To Kill Yourself By Hitting A Speed Bump?

Jalopnik directs readers to a scientific analysis of this question by the XKCD blog what-if?  Do not experiment with this! However, check out the basic math and physics.  The answer is surprising.

NORCAL MINIS CALENDAR & OTHER EVENTS