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Channel: Hackaday

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How Octopuses Hacked their Ribosome to Become Smart

A fascinating aspect in evolutionary biology is that of convergent evolution — whereby similar structures and functions evolve independently from each other. The highly advanced nervous system of...

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Using Solar Air Heating to Dry Clothes

About a month ago, [Greenhill Forge] built a few solar panels to collect energy from the sun. Unlike solar photovoltaics, which turn sunlight directly into electricity, these were designed to gather...

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Flex Filament Stuck To Your Build Platform? Reach For The Isopropanol

3D printing has been around long enough that everyone’s heard at least one weird trick regarding 3D prints. [Angus] of [Maker’s Muse] puts a few to the test, and came away with one solid tip for...

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Cross-Sectioning Crickets with a Femtosecond Laser

Unlike most cutting lasers, femtosecond lasers don’t vaporize materials; rather, they produce such short, intense bursts of light that the affected region is ablated without having the chance to heat...

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Spidery Drone Goes Near-invisible By Spinning Really, Really Fast

Researchers demonstrate that something interesting happens when a small drone with a spindly airframe spins at a high speed: it very nearly turns invisible. The spidery device is shown mounted in its...

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Simple Games from a Simpler Time

Modern video games are nothing short of amazing. My son and I were playing through the one of the latest Zeldas, which involve a mix of combat and puzzle-solving that’s pretty much the hallmark of the...

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ESP32-driven Roulette Wheel Could Have Used a 555, but That Didn’t have WiFi

Sometimes you see a project and immediately, before going into the details, your mind throws up the old refrain: “coulda used a 555” — well, [Hulk] actually agrees when it comes to his ESP32-based, 3D...

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