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Interactive Periodic Table

Screenshot of ptable.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 9 calendar years, with breakout response in 2 of them.

submissions
12
submitters
12
observed span
2010–2023
peak thread · 22 comments
125 pts
latest 20+ return · 2021-06-27
108 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

The interface feels a bit on the skittish side – it's one of those pages where you're afraid to move because it's going to change something, and where dragging the mouse around threatens to give you a seizure. And I'm not sure the color scheme is going to win any design awards. But, still, excellent. There's a great deal of information in there. It beats consulting a big paper handbook.

This is mine. I spent quarantine greatly upgrading it from its previous design from roughly 2007 (old.ptable.com) which itself was a great upgrade to how it looked in 1997 (https://web.archive.org/web/19990208231647/http://www.dayah....). It uses no frameworks or libraries and has a payload size of ~64K if you use an ad/tracker blocker, and that includes all the property data and WebGL orbitals rendered from the Schrodinger equation on the Electrons tab. Fully keyboard accessible with arrows/tabs. One…

Lucent·108-point thread·

To really enjoy it, click the Properties tab, then choose Boiling point or Discovered, and _then_ operate the slider. Provides a good light show in modern browsers. Clicking on elements in the Isotopes tab is good, too. Also the Wide checkbox at top left. Hell, just click Demo at the bottom and take in the show. No Flash, either.

Lucent·23-point thread·

Michael from ptable.com recently used our product to create a demo for this app. At first glance I was a little overwhelmed but upon seeing everything that it can do (Check out the demo) my jaw basically dropped the entire time. This guy has put a TON of work into this and I applaud him, I'm sure students love this thing. What do you folks think?

camwest·10-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
281

reference only — not used in Hall rules or ranking

Total comments
49

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2010-03-15Dynamic/Interactive Periodic Tableax0n232
2011-01-19Periodic Table of Elementslujz10
2011-02-22Interactive Periodic Tableibejoeb20
2011-11-05Dynamic Periodic TableFirst breakout · Best threadmhb12520
2012-08-13Worlds Best Periodic Tablecamwest105
2016-01-07Dynamic Periodic Tableeplanit10
2018-07-06Dynamic Periodic Tablejchrisa10
2019-12-23Dynamic Periodic Tablestazz160
2020-08-27Ptable.com, Redesignedxingyzt10
2021-03-30Interactive Periodic Table of Elementsslowhand0910
2021-06-27Interactive Periodic TableLatest 20+ point returnsolarized10822
2023-04-26Interactive Periodic Table of Elementsyboris20