Polish city is using mussels to monitor water quality (2020)

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Here's something different than your usual fare: A physical keypad that lets you directly type math!

Ever tried typing mathematical equations in your code IDE, email, or on Slack? You might know

https://science.nasa.gov/solar-system/comets/3i-atlas/

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Every week for the last 3 months I’ve learned a new trick when it comes to getting whatever LLM I’m using at the time to produce better output. That’s my trade, but lots of HNers have more interes