SFist Tonight

ART: It's the opening night of the Open Source Embroidery exhibit at the Museum of Craft and Folk Art. The show brings together individual and collectively made artworks by artists, makers, computer programmers and html users that explore the relationship between craft and code through social and digital networks. The exhibit will coincide with the launch of the museum's Etsy Labs, in which local artists will teach visitors how to embroider or brush up on their knitting skills with a quick and easy scarf, free of charge.

6 to 8 p.m. // Museum of Craft and Folk Art (51 Yerba Buena Lane) // $4-5

SCIENCE: The Exploratorium has brought back its monthly adults-only series, After Dark, which mixes cocktails, conversation, and playful, innovative science and art events, combining aspects of theater, cabaret, and art gallery. Tonight's theme is "Hardly Strictly Science: Listening, Music, and the Science of Sound" in celebration of the Hardly Strictly Bluegrass Festival this weekend.

6 to 10 p.m. // Exploratorium (3601 Lyon St) // $14 (free for members)