Day length formula: (Did you know that it becomes a triangle wave at the (ant)arctic circle?)
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I've been enjoying toast to help click through a project. I still mostly use Zed to handwrite code, but it's nice to open a pane and fire up toast from the terminal. paradise-runner.github.io/toast/
Spotted this Royal Air Force A400 over the lake yesterday, it was so different from civil planes www.planespotters.net/โฆ/zm420-royal-air-force-โฆatlas-c1-a400m-180

