SolderSmoke Daily News -- Ham Radio Blog

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Solid State Transformers -- Are the small DC supplies from Amazon small versions of what we need?9 hrs

The algorithm seems to KNOW what I have been reading. This week the New York Times Sunday magazine had a really frightening story about the vulnerabilities of the U.S. electrical grid. The big vulnerability is the large transformers. They are very very hard to replace. Replacement takes years. If something were to happen to only a few of these transformers, the U.S...

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First Earth-Moon-Earth Echoes: 1946 from New Jersey on 111.5 MHz using Military Radar Gear2 days

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Maxwell's Equations Explained3 days

I really liked this one, and the follow-on videos show a lot of promise. The maker starts with the four equations that we see on T shirts. He admits that at the time he first saw them, he did not understand. But in this video, he digs in, and finally gets it. The connection between Maxwell's equations and C (the speed of light) are especially well presented.

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The Solar Eclipse in Spain, Balloons, and Veritasium5 days

This was all pretty cool. There was a lot of good scientific info. I had noticed the crescent shapes on the ground during earlier solar eclipses (from tree leaves!), but I never knew WHY we were seeing them. Thanks for the explanation Veritasium.
There was also a cool balloon launch and recovery, and some great video recovered from the balloon. <...

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