#neptunium

Live, measured metrics for the hashtag #neptunium from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #neptunium

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$51.02/ year · 9-character #name
Claim #neptunium — $51.02/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
9
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 9
0.1
Avg reactions / post
Mastodon · last 9
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-11-09 03:41 UTC
0
11-03
0
11-04
0
11-05
0
11-06
0
11-07
0
11-08
0
11-09

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.online (Mastodon public search API) · fetched 2026-11-09 03:41 UTC

No related tags with measured usage found for #neptunium.

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-09 03:41 UTC

Everything below is measured over the latest 9 public posts (spanning ~25017 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (6) · French (1) · German (1) · Italian (1)

Avg boosts / post: 0.9

Top of the latest posts

  • @GatekeepKen Maybe, just maybe, neutralizing #nuclear waste might be the answer... Bacteria Neutralizing Nuclear Waste by Robert Hayward | Apr 29, 2020 "This special kind of bacteria was discovered at a nuclear waste storage site in Siberia

    DoomsdaysCW@DoomsdaysCW@kolektiva.social♥ 1↻ 12023-05-24 21:23 UTCView post →
  • Neptunium: atomic number: 93; weight: (237); Radioactive actinide; discovery: 1940— Edwin McMillan, Philip Abelson #Poetry #Science #History #Neptunium (https://sharpgiving.com/Sharp/thebookofscience/items/e093.html)

    tomsharp@tomsharp@mastodon.sdf.org♥ 0↻ 22025-12-13 22:08 UTCView post →
  • Le bassin de #natation #Neptunium à Schaerbeek fête le 1er anniversaire de sa réouverture Depuis un an, les élèves et les nageurs schaerbeekois peuvent profiter des bienfaits de la natation dans les bassins du Neptunium qui ont été rénové.

    bruxellescity@bruxellescity@mastodon.social♥ 0↻ 02024-09-10 09:16 UTCView post →

What “neptunium” means

Wiktionary · Wikipedia

neptunium/nɛpˈtjuːniəm/

  • nounThe transuranic chemical element with atomic number 93 and symbol Np.
Full entry on Wiktionary →

Neptunium is a chemical element; it has the chemical symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. It is named after Neptune, the planet beyond Uranus in the Solar System, which uranium is named after. A neptunium atom has 93 protons and 93 electrons, of which seven are valence electrons. Neptunium metal is silvery and tarnishes when exposed to air. The element occurs in three allotropic forms and it normally exhibits five oxidation sta

“Neptunium” on Wikipedia (CC BY-SA) →

#neptunium across platforms

every network with a public tag surface

Follow #neptunium straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/neptunium