NASA engineer to bring innovation talk to Portland MLK Day event
Chiara Profenna / oregonlive.com (TNS) When Karanja Crews announced that Super Soaker inventor and NASA engineer Dr. Lonnie Johnson was coming to Portland, excited gasps rippled through a second-grade classroom at Dr. Martin Luther King Jr. Elementary School on Wednesday afternoon. Just an hour earlier, many of the students had never heard of Johnson. But […]