Zerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-214 days agoUS educationlemmy.mlimagemessage-square372fedilinkarrow-up11.2Karrow-down134
arrow-up11.16Karrow-down1imageUS educationlemmy.mlZerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-214 days agomessage-square372fedilink
minus-squareTrainguyrom@reddthat.comlinkfedilinkEnglisharrow-up8·14 days ago1890 would also be about 30 years after the invention of the telephone and 2 years after the invention of the strowger switch (first automated telephone switch)
1890 would also be about 30 years after the invention of the telephone and 2 years after the invention of the strowger switch (first automated telephone switch)