Lenses are a necessary part of any head-mounted display, but unfortunately, they aren’t always easy to source. Taking them out of an existing headset is one option, but one may …read more (https://hackaday.com/2023/08/01/making-your-own-vr-headset-consider-this-diy-lens-design/)

All American Five Lives Again
https://hackaday.com/2023/08/01/all-american-five-lives-again/

If you haven’t heard of an “all-American five,” then you probably don’t dig through bins for old radios. The AA5 is a common design for old AM radios that use …read more (https://hackaday.com/2023/08/01/all-american-five-lives-again/)

“Room Temperature Superconductor” LK-99, Just Maybe It Could Be Real
https://hackaday.com/2023/08/01/room-temperature-superconductor-lk-99-just-maybe-it-could-be-real/

To have been alive over the last five decades is to have seen superconductors progress from only possible at near-absolute-zero temperatures, to around the temperature of liquid nitrogen in the …read more (https://hackaday.com/2023/08/01/room-temperature-superconductor-lk-99-just-maybe-it-could-be-real/)

Accelerating Electrons to TeV Levels Using Curved Laser Beams
https://hackaday.com/2023/08/01/accelerating-electrons-to-tev-levels-using-curved-laser-beams/

(a) Structure of the discharged capillary to produce the curved and straight plasma channel. (b) Spectrum distribution and calculated profile of the plasma density along the radial direction at the entrance of the discharged capillary. (c) Experimental setup for the measurements of laser guiding and electron acceleration. (Credit: Xinzhe Zhu et al., 2023)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/07/curved_laser_wakefield_accelerator.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/07/curved_laser_wakefield_accelerator.png?w=500">There are many applications for particle accelerators, even outside research facilities, but for the longest time they have been large, cumbersome machines, not to mention very expensive to operate. Here …read more (https://hackaday.com/2023/08/01/accelerating-electrons-to-tev-levels-using-curved-laser-beams/)

MIT Crack The Concrete Capacitor
https://hackaday.com/2023/08/01/mit-crack-the-concrete-capacitor/

It’s a story we’ve heard so many times over the years: breathless reporting of a new scientific breakthrough that will deliver limitless power, energy storage, or whichever other of humanity’s …read more (https://hackaday.com/2023/08/01/mit-crack-the-concrete-capacitor/)

Audio, Not Video Over The LKV373 HDMI Extender
https://hackaday.com/2023/08/02/audio-not-video-over-the-lkv373-hdmi-extender/

[eta] found herself in a flat with several LKV373 HDMI extenders. Find the corresponding transmitter, plug it into your device, and you’ve got a connection to the TV/sound system, no …read more (https://hackaday.com/2023/08/02/audio-not-video-over-the-lkv373-hdmi-extender/)

Solar Power Your Pi
https://hackaday.com/2023/08/02/solar-power-your-pi/

Running a Raspberry Pi with solar power sounds easy. Of course, like most things, the details are what get you. About a year ago, [Bystroushaa] tried it without success. But …read more (https://hackaday.com/2023/08/02/solar-power-your-pi/)

Clipper Windpower: Solutions in Search of Problems
https://hackaday.com/2023/08/02/clipper-windpower-solutions-in-search-of-problems/