Hackaday
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Modern fertilizer manufacturing uses the Haber-Bosch and Ostwald processes to fix aerial nitrogen as ammonia, then oxidize the ammonia to nitric acid. Having already created a Haber-Bosch reactor for ammonia …read more (https://hackaday.com/2025/07/03/a-miniature-ostwald-reactor-to-make-nitric-acid/)
Smart Mjolnir Makes Questionable Judgement Call On Your Worthiness
https://hackaday.com/2025/07/03/smart-mjolnir-makes-questionable-judgement-call-on-your-worthiness/
Mjolnir, also known as Thor’s hammer, is a discerning thing, at least if you believe the modern Marvel canon. [alemanjir] decided to build a semi-functional replica that makes judgement calls …read more (https://hackaday.com/2025/07/03/smart-mjolnir-makes-questionable-judgement-call-on-your-worthiness/)
Sets of cooling towers in data center building.
" data-medium-file="https://hackaday.com/wp-content/uploads/2022/06/watercoolingdata_feat.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/06/watercoolingdata_feat.jpg?w=800">So-called artificial intelligence (AI) is all the rage right now between your grandma asking ChatGPT how to code in Python or influencers making videos without having to hire extras, but …read more (https://hackaday.com/2025/07/03/ai-might-kill-us-all-with-carbon-emissions/)
You could use a little pocket-sized Pez dispenser if you’re a humble, reserved person. Or, you could follow the example of [Backhaul Studios], and build a dangerously powerful blaster that …read more (https://hackaday.com/2025/07/03/pez-blaster-shoots-candy-dangerously-fast/)
Here’s a clever hack. Simple, elegant, and eminently cost-effective: using an SMD capacitor to hold your flash media in place! This is a hack that can pretty much be summed …read more (https://hackaday.com/2025/07/04/smd-capacitor-doubles-as-cheap-sd-card-latch/)
These days ‘AI’ is everywhere, including in software development. Coming hot on the heels of approaches like eXtreme Programming and Pair Programming, there’s now a new kind of pair programming …read more (https://hackaday.com/2025/07/04/why-github-copilot-isnt-your-coding-partner/)
Cooking is all about temperature control: too cold isn’t good enough, and too hot can ruin everything. To aid in this regard, [Printerforge] created a smart temperature alarm to keep …read more (https://hackaday.com/2025/07/04/smart-temp-sensors-helps-you-nail-your-cooking/)
Hackaday Podcast Episode 327: A Ploopy Knob, Rube-Goldberg Book Scanner, Hard Drives and Power Grids Oscillating Out of Control
https://hackaday.com/2025/07/04/hackaday-podcast-episode-327-a-ploopy-knob-rube-goldberg-book-scanner-hard-drives-and-power-grids-oscillating-out-of-control/