This Video Is 2D And 3D Simultaneously: the Pulfrich Effect

EducationTom Scott•1.2M Views

Also Trended In

CA 2017 (Education)DE 2017 (Education)FR 2017 (Education)US 2017 (Education)US 2018 (Education)

Why This Video Went Viral

This video achieved high visibility primarily due to strong early engagement signals. Content in the "Education" category typically performs well when it triggers immediate viewer interaction within the first 24–48 hours.

Audience & Engagement Insights

Based on historical trends, videos like this resonate strongly with viewers interested in education content, particularly audiences who engage through likes and repeat watches rather than comments alone.

With 42.8K likes relative to 1.2M views, this video demonstrates above-average engagement efficiency for its category.

Editorial Analysis

Hold on tight, because with a stabilised camera shot and a pair of sunglasses, you're about to see a video that works in both 2D and 3D at the same time. The technique's called the Pulfrich Effect, and this is how it works.\n\nThe BBC's terrible 90s Doctor Who special, Dimensions in Time, can be seen here, complete with its Noel Edmonds-filled framing: https://www.youtube.com/watch?v=NQCeMIQpFBc\n\nCamera and sound: Matt Gray / https://mattg.co.uk\n\nI'm at http://tomscott.com\non Twitter at http://twitter.com/tomscott\non Facebook at http://facebook.com/tomscott\nand on Snapchat and Instagram as tomscottgo

Statistical Breakdown

Market Segment

English

Engagement Est.

42.8K Likes

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