Tag Archives: magnetism

Measuring Telluric Currents – First Trial

Way back in November of last year (2010), I wrote a short little article on telluric currents, their history, and related applications.  Now, in case you’re unfamiliar with this topic (as I was prior to November of last year), here’s … Continue reading

Posted in Hobbies, Test | Tagged , , , , , , , , | 8 Comments

Telluric Currents and the Earth Battery

(So it turns out I can pack boxes faster than expected!  Unfortunately that means I’m now just killing time until tomorrow when I load everything into the truck and head off for my new job in Waterloo, Iowa.  But here’s … Continue reading

Posted in Just For Fun, Tutorials/Educational | Tagged , , , , , | 6 Comments

Magnetostriction (aka: Why Transformers Hum)

Have you ever wondered why transformers hum?  I have.  And no, it’s not because they don’t know the words.  But seriously, at first thought, it makes no sense.  They’ve got no moving parts, and how can something produce sound without … Continue reading

Posted in Tutorials/Educational | Tagged , , , , , | 2 Comments