Pictures!Well, it's been a while, and a ton of these have piled up, so pictures.
We went to San Diego a few weeks ago (I know--can't believe I haven't written about it yet), and one of the places we visited was the Point Loma Lighthouse.
Interesting fact about lighthouses: it was widely believed that the isolation of living in a lighthouse drove men insane at a very high rate. As it turns out, though, it was that the fresnel lenses are supported on a bath of mercury.
High mercury exposure (from basic maintenance) over time? Madness.
Here are a few pictures that give information about the lightouse and its history (and lighthouses in general). You'll have to click on these images to get a larger version for reading the text, but it's totally worth it.
This will explain how a lighthouse works (hence the "How a Lighthouse Works" title:
This is a big-ass lense:
Information about lense sizes:
An even bigger-ass lense:
Here was the view from near the lighthouse, and yes, that's a submarine:
I may do a picture post a week for a few weeks. Still have lots and lots to show you.