Friday, July 4, 6–10 p.m.
Exploratorium (Pier 15)
What’s the science behind fireworks? How are implosions different from explosions? What happens when hot water is combined with liquid nitrogen? Celebrate the July 4th with rumbling, roaring thunder, the resonant thrum of taiko drumming, the explosive potential of liquid nitrogen, and spectacular explorations of other boom-related activities and exhibits. Ages 18+, 415-528-4420, exploratorium.edu