Turning a MacBook into a Touchscreen with $1 of Hardware · cat /var/log/life

Well now, this is a clever bit of hardware hacking.

Surfaces viewed from an angle tend to look shiny, and you can tell if a finger is touching the surface by checking if it’s touching its own reflection.

Turning a MacBook into a Touchscreen with $1 of Hardware · cat /var/log/life

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