Lasers are pretty much magic — it’s all done with mirrors. Not every laser, of course, but in the 1980s, the most common lasers in commercial applications were probably the …read more (https://hackaday.com/2024/04/24/more-mirrors-and-a-little-audio-mean-more-laser-power/)

Downloading Satellite Imagery With a Wi-Fi Antenna
https://hackaday.com/2024/04/24/downloading-satellite-imagery-with-wi-fi-antenna/

Over the past century or so we’ve come up with some clever ways of manipulating photons to do all kinds of interesting things. From lighting to televisions and computer screens …read more (https://hackaday.com/2024/04/24/downloading-satellite-imagery-with-wi-fi-antenna/)

The Performance Impact of C++’s `final` Keyword for Optimization
https://hackaday.com/2024/04/24/the-performance-impact-of-cs-final-keyword-for-optimization/

In the world of software development the term ‘optimization’ is generally reason for experienced developers to start feeling decidedly nervous, especially when a feature is marked as an ‘easy and …read more (https://hackaday.com/2024/04/24/the-performance-impact-of-cs-final-keyword-for-optimization/)

Sticky Situation Leads To Legit LEGO Hack
https://hackaday.com/2024/04/24/sticky-situation-leads-to-legit-lego-hack/

[samsuksiri] frequently uses a laptop and has an external drive to store projects. The drive flops around on the end of its tether and gets in the way, so they …read more (https://hackaday.com/2024/04/24/sticky-situation-leads-to-legit-lego-hack/)

Implantable Battery Charges Itself
https://hackaday.com/2024/04/25/implantable-battery-charges-itself/

Battery technology is the major limiting factor for the large-scale adoption of electric vehicles and grid-level energy storage. Marginal improvements have been made for lithium cells in the past decade …read more (https://hackaday.com/2024/04/25/implantable-battery-charges-itself/)

Chip Mystery: The Case of the Purloined Pin
https://hackaday.com/2024/04/25/chip-mystery-the-case-of-the-purloined-pin/

Let’s face it — electronics are hard. Difficult concepts, tiny parts, inscrutable datasheets, and a hundred other factors make it easy to screw up in new and exciting ways. Sometimes …read more (https://hackaday.com/2024/04/25/chip-mystery-the-case-of-the-purloined-pin/)

Keebin’ with Kristina: the One With the Transmitting Typewriter
https://hackaday.com/2024/04/25/keebin-with-kristina-the-one-with-the-transmitting-typewriter/

Okay, so we’re opening with more than just a keyboard, and that’s fine. In fact, it’s more than fine, it’s probably the cutest lil’ ZX Spectrum you’ll see today. [SrBlonde]’s …read more (https://hackaday.com/2024/04/25/keebin-with-kristina-the-one-with-the-transmitting-typewriter/)