Zion Bar-El, founder of Michigan-based Ideation International, will present a seminar on TRIZ, a systematic methodology for developing product or service improvements, at the University of Colorado at ºù«ÍÞÊÓƵ. The seminar, which is free and open to the public, will be at 1 p.m., April 23, in the Eaton Conference Room at the College of Engineering and Applied Science. The conference room is located on the first floor of the Engineering Center, at the corner of Regent Drive and Colorado Avenue.