Zerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-24 months agoUS educationlemmy.mlimagemessage-square340linkfedilinkarrow-up11.21Karrow-down10
arrow-up11.21Karrow-down1imageUS educationlemmy.mlZerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-24 months agomessage-square340linkfedilink
minus-squareTrainguyrom@reddthat.comlinkfedilinkEnglisharrow-up8·4 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)