@skyglowberlin When I teach about retinal physiology, it breaks my heart. Often there isn't a single student who has ever experienced vision after true dark adaptation.
It turns out that—it takes time, but it's real—you can see by starlight. And the faintest stars you see? That's a single rod cell detecting A SINGLE PHOTON. Your retina is that sensitive.
Before 1879 this was an absolutely universal human experience. Now it's exotic, unimaginable.
Truly Star Trek is set in the future.
Did you know your MacBook has a sensor that knows the exact angle of the screen hinge?
It’s not exposed as a public API, but I figured out a way to read it and make it sound like an old wooden door.
Source code and a downloadable app to try it yourself: https://github.com/samhenrigold/LidAngleSensor