Co-Authored by: Neil Silverman For anyone visiting Death Valley National Park, one of the intriguing attractions is the Racetrack Playa. This is an area in an ancient dry-lake bed where mysteriously moving rocks make tracks in the mud surface of the lakebed. Endless studies have been made, attempting to determine what force is actually moving the rocks. Getting out to the Racetrack is no easy matter — as in 27 miles of tough ‘washboard’ driving on primitive dirt road. We …