We’ve probably all had a few conversations with people who hold eccentric scientific ideas, and most of the time they yield nothing more than frustration and perhaps a headache. In …read more (https://hackaday.com/2025/11/23/measuring-earths-rotation-with-two-gyroscopes/)

Retrotechtacular: Computers in Schools? 1979 Says Yes
https://hackaday.com/2025/11/23/retrotechtacular-computers-in-schools-1979-says-yes/

The BBC wanted to show everyone how a computer might be used in schools. A program aired in 1979 asks, “Will Computers Revolutionise Education?” There’s vintage hardware and an appearance …read more (https://hackaday.com/2025/11/23/retrotechtacular-computers-in-schools-1979-says-yes/)

Hackaday Links: November 23, 2025
https://hackaday.com/2025/11/23/hackaday-links-november-23-2025/

Remember the Key Bridge collapse? With as eventful a year as 2025 has been, we wouldn’t blame anyone for forgetting that in March of 2024, container ship MV Dali plowed …read more (https://hackaday.com/2025/11/23/hackaday-links-november-23-2025/)

A Couple Of New DOS PCs Appear
https://hackaday.com/2025/11/23/a-couple-of-new-dos-pcs-appear/

An interesting trend over the last year or two has been the emergence of modern retrocomputer PCs, recreations of classic PC hardware from back in the day taking advantage of …read more (https://hackaday.com/2025/11/23/a-couple-of-new-dos-pcs-appear/)

Expensive Batteries Hide Cheap Tricks
https://hackaday.com/2025/11/23/expensive-batteries-hide-cheap-tricks/

In our modern world full of planned obsolescence helping to fuel cycles of consumerism, the thing that really lets companies dial this up to the max is locked-down electronics and …read more (https://hackaday.com/2025/11/23/expensive-batteries-hide-cheap-tricks/)

Smelly Ultrasound
https://hackaday.com/2025/11/24/smelly-ultrasound/

We aren’t sure why, but [Lev Chizhov] and some other researchers have found a way to make you smell things by hitting your head with ultrasound. Apparently, your sense of …read more (https://hackaday.com/2025/11/24/smelly-ultrasound/)

Barcodes, “Lasers”, and Fourier Transforms
https://hackaday.com/2025/11/24/barcodes-lasers-and-fourier-transforms/

The Bomem DA3 is a type of Fourier transform spectrometer used for measuring various spectral data and [Usagi Electric] has one. On his quest to understand it he runs down …read more (https://hackaday.com/2025/11/24/barcodes-lasers-and-fourier-transforms/)