How to Build a Lava Moat

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If you’re looking for a new and impractical way to protect your home, here’s a great option: a lava moat. Nothing says “Don’t try to knock on my door” like a glowing inferno of molten rock. And Minute Physics – along with xkcd – has put together a short, handy guide to some of the challenges you’ll face in building and maintaining this fearsome fortification. If running your own commercial-scale power plant seems overly daunting but you still want to see what lava’s all about, I have good news; here’s a selection of some of my favorite looks at lava here at FYFD:

– Upstate NY’s homemade lava
– What happens when you step on lava
–  A veritable river of lava in action
– What happens when water meets lava

Now, if you’ll excuse me, I’m off to Hawai’i for the next two weeks. There will be lava. (Video credit: Minute Physics)

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