Personal Halo helps you express your mood by acting like a real-life Instagram filter

What if lighting does not have to be fixed to the ceiling, but instead could follow us wherever we go, changing color and intensity according to the moment, feelings, activity or even outfit. That's the idea Nan Zhao, a PhD student in the Responsive Environments Group at MIT Media Lab, had when they created Halo.

Drawing from both photographic and lighting design, the device can recreate different lighting compositions that make the wearer appear sad, happy, energetic, angry or anxious. The user can switch between various modes using an app that connects to the device via Bluetooth, or they can let Halo respond to their surroundings automatically.

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