Make a truth teller for light. Turn an old CD into a spectroscope to analyze light—you may be surprised by what you see. Try pointing your CD spectroscope at the fluorescent light in your room, sunlit ...

Fill in your weight below in the space indicated. You can enter your weight in any unit you wish. Click on the "Calculate" button. Notice that the weights on other worlds will automatically fill in.

Low-cost, teacher-tested science activities for the classroom and the curious.

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 ...

We have been prototyping a new automata activity called “Cranky Contraptions” using simple materials such as wooden blocks, wire, and foamies. Now that it’s been about a month that we have been ...

The free version of the Stop Motion Studio application will let you quickly take and combine multiple photos into an animation. Download the Stop Motion Studio app for iOS or Android to try it out!

SAN FRANCISCO (September 11, 2024) – On Saturday, September 28, the Exploratorium will host its annual Latinx+ Engineering Day in partnership with the Society of Hispanic Professional Engineers (SHPE) ...

Happy National DNA Day, which commemorates the successful completion of the Human Genome Project in 2003 and the discovery of DNA's double helix in 1953. Published sixty-four years ago in the journal ...

Over the past several years of doing automata, we've developed some "classic" motion examples for participants to check out as they are starting to design their creations.

Explore how DNA gets sorted into sperm cells and egg cells. What’s special about sex cells? Figure out how they’re made (in a process called meiosis), and learn why it matters. You will see four ...

We love laser engraving! 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 ...

Illustrations by Ray Larsen 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 ...