Why is the sky blue by day and black at night?
How air redirects sunlight towards our eyes, why sunsets turn red, and why the darkness between stars needs a separate explanation.
Part 2 of 100Science · Ideas · Projects · Life
I explore space, artificial intelligence and mathematics. I share clear explanations, build useful projects and small games. This is my personal journal of discoveries and notes.

How air redirects sunlight towards our eyes, why sunsets turn red, and why the darkness between stars needs a separate explanation.
Part 2 of 100Using a spam filter, explore model training and inference, neural networks and generative AI, and how to check an output that is useful but fallible.
A cozy Android puzzle: fill a box with colorful worm shapes. Play offline, without ads or time limits.
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