Free open house featuring heat defying acts of art in Pittsburgh Glass Center’s state-of the-art glass studios. Glassblowing demonstrations will be ongoing in addition to the “Lifeforms” exhibition. Visitors can make a fused tile or pendant for $25 from 10am to 4pm. RADical Day, an annual event sponsored by the Allegheny Regional Asset District (RAD), is a day of free admissions and performances at a variety of regional attractions that are funded by RAD. Free/$25 for pendant or tile making.