Pilot Jim LaPrelle floats a ping pong ball above a hair dryer during a discussion about aerodynamics in his aeronautics session at the STE(A)M Conference at Los Alamitos Middle School in Grants Saturday.
Cable Hoover/Independent
Pilot Jim LaPrelle floats a ping pong ball above a hair dryer during a discussion about aerodynamics in his aeronautics session at the STE(A)M Conference at Los Alamitos Middle School in Grants Saturday.
Cable Hoover/Independent