Open Blackboard

Learning by Creating

Saturday, February 07, 2026

Chestnut Tree

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We are participating in an effort to bring back the American Chestnut tree from its virtual extinction 75 years ago from Chestnut Blight. W...
Saturday, January 31, 2026

Buying a Kindle 2nd Gen

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 I just got my first Kindle, a Kindle 2 (D00511) on ebay. It's great, but getting such an old model—2009-2011 or so—required some detect...
Saturday, November 01, 2025

Thoughts About AI Taking All the Jobs

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Maybe this is obvious to people but I just realized the "AI will take everyone's jobs" line is being pushed so hard because hu...
Sunday, October 05, 2025

New Tree

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An infestation of whiteflies at the mid to end of summer '24 killed the 12' holly bush and I had to remove it. We were not unhappy ...

Growing Flax

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 Last spring I planted some Blue Flax (Linum perenne) to cover the ground around the new tree. I wanted something native and pollinator frie...
Sunday, September 07, 2025

Wild Bees

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I've enjoyed the wild bees this summer. One of the highlights of the summer was coming upon a nectar and pollen feast these black bees w...
Sunday, August 10, 2025

VFD Filament Driver Circuit

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Don't give up! I spent the last 3 years troubleshooting this circuit with an LM4871 chip with the goal of supplying a low voltage alter...
Saturday, July 27, 2024

Intro to Basic Python App with ChatGPT

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I spent a couple days figuring out how to make a good basic app with Python to have a conversation with ChatGPT so that I can teach it to my...
Tuesday, July 23, 2024

Alligator Clips in the Classroom Tip

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How do you keep alligator clips from getting tangled up? I thought of this a few years ago and will never go back to my bin of tangled wires...
Sunday, July 21, 2024

Learning to Solder Technique

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I've been teaching middle schoolers to solder for years but I only came up with this approach to the workflow this year and it has been ...
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Erik N.
Tech Integrator, K-12 girls school in NY.
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