Eric Walker added The Dreams of an Inventor in 1420 – The Public Domain Review to Old technology

Eric Walker added Why did we wait so long for the bicycle? to Old technology

Eric Walker added IT Runs on Java 8 | Hacker News to Appropriate technology, Old technology and Hacker News

Eric Walker added IT runs on Java 8 · Vicki Boykis to Appropriate technology, Old technology and Hacker News

Eric Walker added r/RetroFuturism - Pretty neat to Old technology

Eric Walker added a number of links to Old technology, and added Old technology to Technology

Eric Walker added a number of topics and a number of links to Technology, and added Technology to Everything