After Dark: Bounce

6:30, 7:30, 8:30, and 9:30 p.m.

These customized cars from the San Francisco LowRider Council catch air by using their hydraulics to bounce at the right time, just like you gain momentum on a swing by pushing at the right moment.

Why Does It Bounce? With Ron Hipschman
7:00 p.m.

You can bounce a ball, bounce a check, bounce (reflect) a light beam, and bounce (echo) a sound. Examine things that spring back after dark in this lively, lighthearted talk with Exploratorium scientist Ron Hipschman.

Seeing with Sound: Whale and Dolphin Echolocation With Jane Rudebusch
8:30 p.m.

Finding food in the dark is challenging, unless you can visualize objects in your environment through bouncing sound waves. Learn how dolphins and some whales use “biosonar” to navigate their underwater world and the challenges they face as human activities change the soundscape of the ocean.

Bounce Dance Party With FELA KUTCHii
8:00-10:00 p.m.

Born out of New Orleans club culture, bounce music is best experienced in person and is almost impossible to understand otherwise. Bounce is based in hip-hop and favors punchy tempos, heavy bass, and call-and-response vocals.