Tag Archives: DIY

Picking fights with a flat-earther

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They tell us we’re living in a post-truth world, whatever that’s supposed to mean.  All I know is that there’s a growing number of people who look at the vast store of human knowledge, and reject it.  People who hear experts speak on science, politics, medicine, and say “Nope! I saw a YouTube about this, and I know better!”.  And there’s no starker demonstration of this than the modern flat-earther. How does this happen? What makes sane adults, with an education … Continue reading →

Repairing a Lens

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One of my favourite tools for astrophotography is the Canon EF 50mm F/1.8 lens which I use for wide field deep sky images. It’s the single cheapest lens on the market, as evidenced by its all-plastic construction and the scratchy grinding noise made by its autofocus motor. But it’s also fast, small and light, and it performs way above its price range. It’s the perfect accessory for an astronomer on a budget, like me. Unfortunately, kids and photography gear don’t … Continue reading →