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Author Archives: andrew
Kleptoplastastic
My marine tank is looking pretty dismal — the coral are chronically unhappy and there’s way too much algae. For a while I was secretly nurturing hair algae so I would have an excuse to buy some Elysia slugs. Elysia … Continue reading
Posted in critters
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Finca Isla in Aguas Zarcas
We’re spending the week at a guest house in Costa Rica. It’s been very rainy but that hasn’t deterred the wildlife so I’ve been sitting on the front porch watching the bird feeder. Our host asked me to email her … Continue reading
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Polyps A-Plenty
I spent quite a while this weekend talking to Fritz, Will, and Candy about my tiny corals and, more generally, the complicated symbiotic relationships that allow lots of sea creatures to be mostly solar-powered rather than gut powered. So, mostly … Continue reading
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Flying Foxes at Wolli Creek
I showed up in Sydney wanting to see the flying foxes that lived in the Botanical Gardens, but it turns out that they’ve been driven out in recent years (I guess because all of those tiny feet were wearing out … Continue reading
Posted in critters, travel
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Bugs!
Here, without warning, are some insect photos from the Brule River and Lake Nebagamon. Most of these just showed up at random, but we spent a while stalking the last one, an Ebony Jewelwing Damselfly. They like to hang out … Continue reading
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A half-finished essay about ‘Ex Machina’
First of all: nothing in Ex Machina resembles a Turing test. Here’s how a Turing test works: There are three participants: Human A, Human B, and an AI. Human A interacts with Human B for a while and the AI … Continue reading
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Keystone, Horizon, and multi-factor auth (part 2/2: Horizon)
Now that Keystone accepts and checks auth requests with user/password/otp, we have to get all three from the user and get them properly packed into Horizon’s login request. Taking advantage of Horizon being backwards-compatibility, I upgraded our Horizon install to … Continue reading
Posted in Operations
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Keystone, Horizon, and multi-factor auth (part 1/2: Keystone)
Fair warning: This post documents a recent work project — it contains neither lush landscape photos nor close-ups of underwater creatures. — For a couple of years now the Wikimedia Labs team has had ambitions to deprecate our homemade OpenStack … Continue reading
Posted in Operations
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Why I am still here
Practically everything we do, from eating an ice to crossing the Atlantic, and from baking a loaf to writing a novel, involves the use of coal, directly or indirectly. For all the arts of peace coal is needed; if war … Continue reading
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