10 Pittsburgh weekend events, from free art-making at the Warhol to a look at Pittsburgh’s role in moon travel

“At the historic Lindsay Theater in Sewickley, nuclear operator Jim Clark will be giving a presentation before a screening of the popular new film “Oppenheimer.” Clark, who is also a docent at the Beaver County Industrial Museum, will explain how Beaver County’s nuclear power plant in Shippingport was the first peacetime application of Oppenheimer’s invention. He will also show photographs on loan from the museum. This event happens at 2:30 p.m. with a showing of the movie directly afterwards.”