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judyd.bsky.social
Physics/technology professor (retired), grandma, gardener, knitter, procrastinator. Not looking for friends- no DMs, it’s creepy. Optics education and outreach at www.pblprojects.org
2,315 posts 1,249 followers 1,094 following
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Posts 16 Comments 34

Pinhole photos of the sun by leafy trees on the UCD woodland walk. 🌱🌳💡🧪

submitted 1 day ago • 1 comment

Whether it was Joe Biden with his halting pauses or Donald Trump with his repeated promises to destroy our democracy and plunge us into a world of tyranny and economic collapse, both candidates gave voters plenty to worry about

submitted 2 days ago • 34 comments

I'm 75. If I'm going down, I want it to be on the streets looking for good trouble and protecting our democracy and the Constitution. Don't let them break you.

submitted 2 days ago • 5 comments

Okaaay…

submitted 3 days ago • 0 comments

The Grok thing is a perfect lesson, really, about how ai "tools" will absolutely reflect and echo the ideological priorities and weird obsessions of its owners

submitted 5 days ago • 34 comments

And @backmarketofficial.bsky.social for electronics, especially if, like me, you’re just gonna drop it, soak it, or lose it

submitted 4 days ago • 0 comments

I dunno. There’s something kind of appealing about that.

submitted 5 days ago • 0 comments

“Sure, it was raw sewage, but at least there was no fluoride in that water.”—RFK Jr., probably

submitted 6 days ago • 53 comments

This instruction conflicts with my design.

submitted 5 days ago • 0 comments

Well, done, Senator

submitted 5 days ago • 0 comments

And this afternoon…. Mmmm those look tasty.🌱

submitted 5 days ago • 1 comment

submitted 5 days ago • 18 comments

Love Bennie!

submitted 5 days ago • 0 comments

Oh dear… 🌱

submitted 5 days ago • 6 comments

I just sat in on some high school #math research on topics such as “exploration of sampling by modifying the effective diffusion” and “evaluating existing models of #ocean acidification with a focus on the New England coast”. Now I have to go study. 🧮♾️

submitted 5 days ago • 0 comments

Fantastic thread:

submitted 5 days ago • 5 comments