This is just a test of the WPVideo plugin I just enabled:
How it works: the two Tesla coils have a primary frequency around 40kHz+ — outside the audible range for humans. The signal can be turned on and off at, say, 440 times per second (440Hz = A) to produce an audible tone. So it’s like radio waves being modulated to carry a signal, but it’s actually lightning 
My birthday was last week. Happy birthday to me. I’ve been recovering from a bad ankle sprain the last few weeks. Playing ultimate is one of my favorite things, so it’s pretty frustrating when I can’t.
We also celebrated Mark’s 1st birtday a few weeks ago. Mark and my other boys definitely rank very high on my list of favorites.
Halloween was fun for the boys, but I think the most fun was harvesting the pumpkins from our garden, then carving them together. The fall weather has been awesome, and we’ve enjoyed lots of outdoor activities, including some corn mazes.
At the corn maze, we saw a large trebuchet for launching pumpkins. We were all impressed by that. It was the inspiration for Trent’s simple machine project — we chose to launch jumbo marshmallows, and he had a lot of fun demoing it at school.
More pictures from recent weeks, including Halloween and other fall fun:
