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I had been looking at component catalogs and distributor inventories for so long that my eyes were throbbing. I was searching for a particular circuit board connector, but it seemed there were none to be had. Not here, not there, not anywhere in the...

Five years ago, my efforts to hard boil an ostrich egg ended in undercooked disappointment. This year, I set out to correct that failure — and then some.
An ostrich egg is similar to a common chicken egg in many ways: there is a yolk; there is a white; and there is a shell composed mostly of calcium carbonate. The main difference is that it’s about two dozen times bigger. That size difference makes for...

For many years, I’ve been a loyal customer of Rayovac alkaline batteries. I thought they were just as good as Duracell and Energizer, they had strong reviews on Amazon, and they were cheap.
However, that worldview came to a shattered end when I read a review on Amazon for some Amazon Basics AAA alkaline batteries. In that review, the reviewer claimed to have measured the actual charge available in various brands of AAA alkalines, and they...

I watched this year’s total solar eclipse from the path of totality, near Douglas, Wyoming, with my friends Tyler and Masaru. Rather than try to photograph the event, I chose to simply observe.
My 1250mm f/10 telescope with a solar filter cap gave us an up-close view as the moon slid across the disc of the sun. At first, there were no noticeable changes to the fields and hills around us, but gradually we became aware of the dimming light. Masaru...