Zerush@lemmy.ml to Science Memes@mander.xyzEnglish · 7 months agoUS educationlemmy.mlimagemessage-square365linkfedilinkarrow-up11.21Karrow-down135
arrow-up11.18Karrow-down1imageUS educationlemmy.mlZerush@lemmy.ml to Science Memes@mander.xyzEnglish · 7 months agomessage-square365linkfedilink
minus-squareTrainguyrom@reddthat.comlinkfedilinkEnglisharrow-up8·7 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)