HP TEACHER EXPERIENCE EXCHANGE: The Hewlett Packard company is compiling a broad collection of lesson plans, discussions, professional development materials and articles largely related to STEM education and the use of technology in education. Good news: they’re free. Bad news: We were a little put off by the plugs for new Universal movie, Lorax (of Dr. Seuss fame). Even so, modules such as Designing STEM Projects more than made up for it.