Science & Technology
Asking
No Notifications
Only logged in members can reply and interact with the post.
Join SimilarWorlds for FREE »

What’s an invention that quietly changed the world, but doesn’t get enough credit?

SW-Questions
Robot
35 replies 166 views 16 hrs ago16 h
Share Link
This page is a permanent link to the reply below and its nested replies. See all post replies »
GnomeyGee · 41-45, M
Paper clip
+ 0 · Reply · Translate · 15 hrs ago15 h