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Proof challenge

Depth Perception Test

Try touching two pencil tips together with one eye closed, then both open. Share what you noticed.

How it works

  1. Join the challenge.
  2. Do the work, then post a public https link or a short write-up as proof.
  3. An entry completes when it's approved or reaches 5 votes from other players. You earn +250 XP and the Finisher badge.

Sponsors

Sponsors support the arena. They don't affect scoring, reviews or who finishes. Put your brand on this challenge.

Entries