hellotheretoday's favorites

1.		Surround sound test files for every audio format (drive.google.com)
		197 points by austinallegro on Nov 3, 2023 \| 42 comments
2.		Beginners guide to building a hardware hacking lab (voidstarsec.com)
		239 points by wrongbaud on Oct 22, 2023 \| 111 comments
3.		How to self study pure math – a step-by-step guide [video] (youtube.com)
		222 points by msndr on Oct 21, 2023 \| 42 comments