1
Contra Wirecutter on the IKEA air purifier
The Wirecutter’s review of the IKEA air purifier is a mishmash of scientific errors, shoddy testing, and self-contradictory logic.
Dynomight
science and existential angst
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Visit dynomight.net → RSS feedOn Hacker News Feb 2021 – Jul 2026
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2
I don't like NumPy
it’s too hard
3
How I learned to stop worrying and structure all writing as a list
We like lists because they are an objectively good way to organize information. They allow readers to quickly and easily get what they want.
4
Experiments on a $50 DIY air purifier (2020)
You can make a DIY air purifier in 30s. To test if it works, I generated smoke, and measured how well it removes tiny particles.
5
Taxonomy of Procrastination
There’s a little accountant named Jim that lives in my head
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The Cuboid: A DIY air purifier that's better than a box fan
Designs for a quieter, more energy efficient purifier, and data proving it really works.
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DumPy: NumPy except it's OK if you're dum
reject clever