Cast Aluminum paperweight in the shape of gear that says "Expand your Horizons: SWE" Expanding Your Horizons is a conference for girls in middle school and includes hands-on activities in science, technology, engineering, and math (STEM). The ultimate goal is to motivate girls to become innovative and creative thinkers ready to meet 21st Century challenges. SWE stands for The Society of Women Engineers which is the world’s largest advocate and catalyst for change for women in engineering and technology.