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Typically, when you’re sitting on a plane on the tarmac, you switch your phone to flight mode while you’re sitting through yet another “quirky” (boring) safety video. You’ll watch some …read more (https://hackaday.com/2026/06/25/flying-cell-towers-are-a-thing/)
Even though GPS makes it possible for us to easily navigate around the planet in almost any vehicle we’d like, whether that’s a passenger vehicle, airplane, or cargo ship, it’s …read more (https://hackaday.com/2026/06/25/increasing-local-gps-accuracy-for-a-small-robot/)
There are lots of graphics libraries available for the ESP32, and lots of ways to program one to boot. Even still, most of us wouldn’t immediately think to CSS when …read more (https://hackaday.com/2026/06/25/css-on-the-esp32/)
The 1981 Casio VL-1 was a fine cheap keyboard. It had a robust build, though an admittedly limited sound palette. [Max Vega] had one of these charming instruments, and decided …read more (https://hackaday.com/2026/06/25/cheap-80s-keyboard-gets-modern-brain-upgrade/)
Although paperbacks are a much-loved aspect of the literary world, they are not really intended to last the decades the way that hardcover books are. Beyond the typical ravaged covers, …read more (https://hackaday.com/2026/06/25/fixing-a-warped-paperback-spine-with-gentle-heating/)
Increasing Photon Upconversion Efficiency with Structural Exciton Localization
https://hackaday.com/2026/06/25/increasing-photon-upconversion-efficiency-with-structural-exciton-localization/
In structures like photovoltaic cells there is only a limited spectrum of wavelengths that can perform useful work, with the remaining wavelengths of electromagnetic radiation effectively wasted. If the energy …read more (https://hackaday.com/2026/06/25/increasing-photon-upconversion-efficiency-with-structural-exciton-localization/)