rubberband-propelled cars
created at the first PopUp
Science event at the
Homewood Science Center.
(Photos by Eric Crump/H-F
Chronicle)
The car built of cardboard, plastic discs and rubberbands sat on the concrete floor of the Homewood Science Center (HSC) garage, and a youngster watched, waiting for it to zip across the floor.
It didn’t move.
A failure? Not quite. Lauren Matthews, who helped…
