Sundial
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3D printed digital sundial is brilliant and insane
People have been using the sun to tell the time since life began, but few ever expected that system to be worthy of an upgrade. Step forward a French engineer, going under the name of Mojoptix, who has created a digital sundial that expresses the time digitally, casting numbers into its own shadow. The principle behind it is rather simple: treating the sun as a backlight for a series of analog pixels that are calibrated to precise angles. As our nearest star passes along the sky, it pours through the holes that correspond to the readout for that time. So, when it's 10:00am, you'll be able to see 10:00am projected onto the table below.
