Made by the creator of ptable.com, a popular interactive periodic table website around since 1997.

Discussed a few times over the years!

Interactive Periodic Table - https://news.ycombinator.com/item?id=27650576 - June 2021 (22 comments)

Dynamic Periodic Table (2017) - https://news.ycombinator.com/item?id=20495105 - July 2019 (21 comments)

Worlds Best Periodic Table - https://news.ycombinator.com/item?id=4378346 - Aug 2012 (5 comments)

Dynamic Periodic Table - https://news.ycombinator.com/item?id=3199922 - Nov 2011 (20 comments)

Dynamic/Interactive Periodic Table - https://news.ycombinator.com/item?id=1193431 - March 2010 (2 comments)