Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
How can energy travel across empty space? Find out, then test what you've learned: build a simple device that transmits the signal from a radio to a light bulb...and then to another radio.
See all Science Snacks videos
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
More Contact Info
Get at-home activities and learning tools delivered straight to your inbox