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Imagine a line of affordable toys controlled by the player’s brainwaves. By interpreting biosignals picked up by the dry electroencephalogram (EEG) electrodes in an included headset, the game could infer …read more (https://hackaday.com/2026/02/17/the-complicated-legacy-of-mind-controlled-toys/)
The ancient question of whether or not it’s possible to construct a circle with the same area as a given square using only a drawing compass and straightedge was finally …read more (https://hackaday.com/2026/02/17/running-pokemon-with-a-compass-and-straightedge/)
An orrery is a beautiful type of mechanical contrivance, built to demonstrate the motion of heavenly objects. LEGO happens to offer just such a device, built using its Technic line …read more (https://hackaday.com/2026/02/17/lego-orrery-gets-a-real-time-drive-upgrade/)
If you’re looking to jack up your car and you don’t have anything on hand, your 3D printer might not be the first tool you look towards. With that said, …read more (https://hackaday.com/2026/02/17/3d-printed-jack-mixes-two-filaments-for-great-performance/)
Cathode ray tubes (CRTs) are a fascinating display technology that has been largely abandoned outside of retro gaming and a few other niche uses. They use magnets to steer a …read more (https://hackaday.com/2026/02/17/custom-vr-headset-uses-unconventional-displays/)
Antenna design is often referred to as a black art or witchcraft, even by those experienced in the space. To that end, [Janne] wondered—could years of honed skill be replaced …read more (https://hackaday.com/2026/02/17/bruteforcing-accidental-antenna-designs/)
Making your own laptop can be a challenging project, but a doable one, especially given the large number of options available today for computing. Of course nothing says you need …read more (https://hackaday.com/2026/02/17/retro-rover-lt6502-laptop-packs-8-bit-power-on-the-go/)