Hold the CD in the sunshine. Or if it's a cloudy day, turn out the lights and shine your flashlight at the CD. Hold your piece of white paper so that the light reflecting off the CD shines onto the ...

Find out where to be and what to do for the eclipse experience of a lifetime. Be ready. On August 12, 2026, the first total solar eclipse for mainland Europe since 1999 will be visible from parts of ...

Note: Prior to doing this activity, we recommend you try Soap Film on a Can to observe the colors on a soap film. Together, these two Snacks will help you move from observing soap-film phenomena to ...

Sunday (Daytime Members/Donors Only 10:00 am to Noon): 12:00 pm—5:00 pm ...

Our social lives are filled with ritualistic touching: from hugs to high fives to pinky-swears. These acts of interpersonal contact create feelings of connection between people—both literally and ...

Join us for Storytime Science—a storybook read aloud followed by a simple related science activity geared toward very young children. This month, Exploratorium staffer and children's literature ...

Can you smell time? Your dog can. On a very basic level, so can you: When you crack the lid on that old quart of milk, tentatively sniff and—peeyouu!—promptly dump that foul stuff down the sink, you ...

Woleai is one of hundreds of small coral islands scattered like breadcrumbs across the South Pacific in the region known as Micronesia. The atoll, which is about the size of Golden Gate Park, has a ...

Sunday (Daytime Members/Donors Only 10:00 am to Noon): 12:00 pm—5:00 pm ...

Before you take the next photo, make sure that you slide down the dot on the slider bar on the left. This gives you an onion skin (a faint ghost of the previous image that you captured) to help you ...

Fireworks may be a really fun way to celebrate the Fourth of July, but we know they are more than a little dangerous. The solution? Grab a friend and make your own liquid fireworks with this simple ...

We've been laser engraving on wood and plastics and they have been great when we make signs/signage in the Tinkering Studio. Lately I've been experimenting with filling some paint in engraving so that ...