Reddit user [eyelandarts] has produced a rather unique 3D printing project. A 3D printed Zoetrope. You see, a zoetrope was a device that created an animation effect that pre-dates film technology. It ...

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Optical illusions have taken the internet by storm. They provide a dose of fun and challenge people as well. These illusions encourage people to think in new ways and improve their observation skills.

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Optical illusions often go viral on social media, but they've been around long before Twitter. From ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...