After alcohol-induced blackout, this MIT researcher created glowing ice cubes to track his drinking

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Some people complain about their headache, others innovate:

After an alcohol induced blackout, I made self-aware glowing ice-cubes that beat to the ambient music. The electronics inside the ice-cubes know how fast and how much you are drinking. The cubes change color from green to orange to finally red as you keep drinking beyond the safety limit. If things get out of control, the cubes send a text to your close friend using your smartphone.

Follow the link for the video.