Zerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-228 days agoUS educationlemmy.mlimagemessage-square379fedilinkarrow-up11.24Karrow-down134cross-posted to: [email protected]
arrow-up11.21Karrow-down1imageUS educationlemmy.mlZerush@lemmy.ml to Science Memes@mander.xyzEnglish · edit-228 days agomessage-square379fedilinkcross-posted to: [email protected]
minus-squareTrainguyrom@reddthat.comlinkfedilinkEnglisharrow-up8·27 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)