The F-number of a photographic lens is a measure of its light-gathering ability, and is expressed as its aperture diameter divided by its focal length. Lenses with low F-numbers are …read more (https://hackaday.com/2025/04/06/a-low-f-number-lens-from-scratch/)

Celebrating 30 Years of Windows 95 at VCF
https://hackaday.com/2025/04/06/celebrating-30-years-of-windows-95/

Man and woman stand in front of a table of windows 95 computers and software
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/04/cz.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/04/cz.jpg?w=800">It’s been 30 years since Windows 95 launched. [Ms-Dos5] and [Commodore Z] are celebrating with an epic exhibit at VCF East 2025.  They had no fewer than nine computers — …read more (https://hackaday.com/2025/04/06/celebrating-30-years-of-windows-95/)

Emulating iPhone on QEMU
https://hackaday.com/2025/04/06/emulating-iphone-on-qemu/

[Georges Gagnerot] has been trying to emulate iOS and run iPhone software in a virtual environment. There were a few choices, and qemu-t8030 had a number of interesting features that …read more (https://hackaday.com/2025/04/06/emulating-iphone-on-qemu/)

An Amstrad PCW Receives A Bit Of Love
https://hackaday.com/2025/04/06/an-amstrad-pcw-receives-a-bit-of-love/

If Clive Sinclair’s genius in consumer electronics was in using ingenious hacks to make cheaper parts do greater things, then his Amstrad competitor Alan Sugar’s was in selling decade-old technology …read more (https://hackaday.com/2025/04/06/an-amstrad-pcw-receives-a-bit-of-love/)

Reverse Engineering the IBM PC110, One PCB at a Time
https://hackaday.com/2025/04/06/reverse-engineering-the-ibm-pc110-one-pcb-at-a-time/

There’s a dedicated group of users out there that aren’t ready to let their beloved IBM PC110 go to that Great Big Data Center in the Sky. Unfortunately, between the …read more (https://hackaday.com/2025/04/06/reverse-engineering-the-ibm-pc110-one-pcb-at-a-time/)

Command and Conquer Ported to the Pi Pico 2
https://hackaday.com/2025/04/06/command-and-conquer-ported-to-the-pi-pico-2/

A couple of months back, Electronic Arts did something uncharacteristically benevolent and released several of the old Command and Conquer games under the GPLv3. Logically, we knew that opened the …read more (https://hackaday.com/2025/04/06/command-and-conquer-ported-to-the-pi-pico-2/)

Pluto’s Not a Planet, But It Is a Spectrum Analyzer
https://hackaday.com/2025/04/06/plutos-not-a-planet-but-it-is-a-spectrum-analyzer/

The RTL-SDR dongles get most of the love from people interested in software-defined radio, but the Pluto is also a great option, too. [FromConceptToCircuit] shares code to turn one of …read more (https://hackaday.com/2025/04/06/plutos-not-a-planet-but-it-is-a-spectrum-analyzer/)

A Tale Of Nuclear Shenanigans From Down Under
https://hackaday.com/2025/04/06/a-tale-of-nuclear-shenanigans-from-down-under/