Robot ring-toss, AI demos, and hands-on technology drew more than 500 students and families to DiscoverSTEM 2025 at Acton-Boxborough Regional High School (AB) on Friday, November 7, for a career exploration night. Hosted by AB STEAM, DiscoverSTEM featured 48 exhibitors, including tech companies, university research labs, industry experts, non-profits, and student robotics teams who demonstrated innovations in science, technology, engineering, art and math (STEAM). Designed like a professional trade show, it had a twist — the expo paired student volunteers with engineers and scientists who guided and mentored them. The student volunteers then helped explain the technology to attendees. Long…