#radium

Live, measured metrics for the hashtag #radium 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 #radium

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.

$520.70/ year · 6-character #name
Claim #radium — $520.70/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
6.8
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-15 18:15 UTC
0
10-09
0
10-10
0
10-11
0
10-12
0
10-13
0
10-14
0
10-15

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 2026-10-15 18:15 UTC

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-15 18:15 UTC

Everything below is measured over the latest 40 public posts (spanning ~45970 hours).

Posting hours (UTC) — busiest: 08:00

00:0012:0023:00

Languages: English (29) · German (6) · French (4)

Avg boosts / post: 8.6

Top of the latest posts

  • Today we celebrate the birthday of not one, but two amazing women in science! 🤗🎉Marie Skłodowska-Curie (1867), who discovered #radium & #polonium & pioneered #radioactivity, & Lise Meitner (1878), whose brilliance uncovered the physics be

    Max-Planck-Gesellschaft@[email protected]♥ 246↻ 2672025-11-07 13:14 UTCView post →
  • @cstross It revigorates software. #radium

    earthling@[email protected]♥ 12↻ 102025-05-23 11:43 UTCView post →
  • Sweet! My LEGO tiles of Radium-226 just came in, and they glow in the dark just perfectly ♥️ : #radioActive #Radium #LEGO #glowInTheDark #Radium226

    Cees-Jan Kiewiet :rp: :wm:@[email protected]♥ 5↻ 02025-11-03 13:44 UTCView post →

What “radium” means

Wiktionary · Wikipedia

radium/ˈɹeɪ.dɪ.əm/

  • nounThe chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
  • verbTo treat (a tumour, etc.) with radium.
Full entry on Wiktionary →

Radium is a chemical element; it has symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rather than oxygen) upon exposure to air, forming a black surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope being radium-226 with a half-life of 1,600 years. When radium decays, it emits ionizing radiation as a

“Radium” on Wikipedia (CC BY-SA) →

#radium across platforms

every network with a public tag surface

Follow #radium 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/radium