Tour of the 3D Universe

We started Crafting the Cosmos with a grand tour of distances to astronomical objects (including many pretty pictures). Click for a PDF of the slides from that tour.

Parallax Machines

Using old vinyl records, some hot glue, and our phones, we made parallax machines allowing us to take 3D pictures by taking an image of a scene from two different vantage points. Astronomers take pictures of stars as the Earth orbits around the Sun, to figure out how far away they are in 3D space!


With those parallax machines, students took some beautiful stereograms of scenes on the MIT campus. Click here to see them (you'll need a pair of red-blue glasses). To convert from pairs of stereo-images into merged stereogram images, use our simple little "" computer program!


Some additional resources to explore:

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