Active ball joint mechanism based on spherical gears
reddit.com
reddit.com
On Youtube again, 3 upvotes: https://news.ycombinator.com/item?id=27578001
On Youtube, 2 upvotes: https://news.ycombinator.com/item?id=27565281
On IEEE, 4 upvotes: https://news.ycombinator.com/item?id=27554760
That said, would very much love to see HN give some of the same respect & amazement to this project that Reddit did. Such an ultra-cool project!! I want (to make) one!