It’s a 3 Dimensional Kind of Day

Today is the 3rd day of the 3rd week of the 3rd month, which means it’s 3-D Day! Start by looking at vintage 3-D photos through a stereoscope. Then watch a movie with 3-D glasses, and use a Viewmaster to see 3-D slide shows. Finish by using a Virtual-Reality headset, and 3-D printer!

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