Dr. Monk's DIY Electronics Blog: Making an SD card out of 1960s transistors
SD card - Wikipedia
Android Revolution | Mobile Device Technologies: How to: Unlock external SD Card writing for all apps in Android 4.4 and 5.0
destruction - Can I make my Micro SD card physically unreadable if I cut the card (including its pin section) apart with scissors? - Information Security Stack Exchange
Can i make a bootable drive using an sd card? : r/pcmasterrace