minus-squarexkforce@lemmy.worldtoMicroblog Memes@lemmy.world•You had to hold it up to a candle.linkfedilinkEnglisharrow-up0·3 years agoWe took a magnifying glass and very carefully burned in the 0s and 1s by hand. /s linkfedilink
We took a magnifying glass and very carefully burned in the 0s and 1s by hand. /s