An eerie orchestral chord floats on the breeze; it’s the shimmering sound of a 27-foot tall harp being strummed by the wind.
Where: Gallery 5: Outdoor Exhibits
Archimedes is comprised of two 8-foot diameter dish-like chairs placed 80 feet apart. Each dish’s parabolic curve collects and focuses sound waves and reflects them to participants seated within them. Even whispers uttered from one dish can be clearly heard by the surprised listener seated in the opposite dish.
A twist of a knob sets water jets in motion, causing water in this giant cylindrical tank to spin. Soon, a tiny vortex appears at the surface, gradually swelling in size as it snakes downward.
Where: Fisher Bay Observatory Gallery 6, Mezzanine
In the parking lot outside the former Exploratorium building stood three steel poles with mounted weather vanes and vertical hollow tubes that turned depending on the wind direction. When the wind was just right, mysterious organ tones could be heard from the tubes of this exhibit.
Where: This exhibit is not currently on view.