Zerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-23 months agoUS educationlemmy.mlimagemessage-square356fedilinkarrow-up11.2Karrow-down133
arrow-up11.17Karrow-down1imageUS educationlemmy.mlZerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-23 months agomessage-square356fedilink
minus-squareTrainguyrom@reddthat.comlinkfedilinkEnglisharrow-up8·3 months 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)