Knile writes: A new conference is in Berkeley June 10-12: Cultivating Ensembles in STEM Education and Research. The conference features work in science outreach, professional development, and discussions of diversity in related areas including technology. Registration is open through June 7.
If you're in upstate New York, the Corning Museum of Glass has a nice history of glass, including modern technological applications. It is close to the Glenn Curtiss Museum which has early airplanes, bicycles, and motorcycles.