tag:blogger.com,1999:blog-3864364.post2272458077811293066..comments2024-03-26T09:45:58.528-04:00Comments on Thoughts About K4D: What were the 10 greatest innovations everUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3864364.post-49715241958286463682014-09-21T13:09:54.691-04:002014-09-21T13:09:54.691-04:00Some more: writing, the motor, the electrical syst...Some more: writing, the motor, the electrical system, roads, aquaducts and sewerage, schools, medicine, science.John Dalyhttps://www.blogger.com/profile/05363204598363726098noreply@blogger.com