RE: What invention changed the world in the year you were born?

You are viewing a single comment's thread from:

vcelier (75)in #science • 7 years ago

BTW, I was born in 1949, and for me the biggest invention of 1949 that is still in use today is the barcode.

7 years ago in #science by vcelier (75)

$0.00

Sort:

michelle.gent (75) 7 years ago

I wonder how many combinations of those lines there are?

$0.00