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Futuristic Flavor-Changing Meta Cookie

A person wearing a head-mounted display while holding a donut.

Like a scene from Charlie and the Chocolate Factory, this high-tech cookie offers 7 different flavors. The University of Tokyo's Tajuki Narumi and team presented the Wonka inspired augmented reality flavor-changing cookie at this year's SIGGRAPH computer graphics and animation conference in Los Angeles.

Via New Scientist:

"The device is worn over the user's head and can transform the taste of a plain cookie to any of seven flavours. It combines augmented reality technology with smells released by an air pump to trick the user's senses.

To create the effect, the team branded a plain cookie with a distinct logo that the headset tracks via a built-in camera. An air pump sprays out the smell of the chosen cookie, increasing its concentration as the system "sees" the cookie approaching the wearer's nose.

Meanwhile, a visual display in the headset shows an image of the chosen cookie, suggesting the correct texture for that flavour.

The combination of smell and visual texture combine to fool the user's sense of taste into thinking they are eating a flavoured cookie instead of the plain one."

Futuristic Flavor-Changing Meta Cookie

Next on the list? Oh, please let it be the everlasting gobstopper.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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