#radiation

Live, measured metrics for the hashtag #radiation 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 #radiation

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 #radiation$51.02/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.3
Avg reactions / post
Mastodon · last 40
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-15 10:16 UTC
1
09-09
0
09-10
0
09-11
0
09-12
0
09-13
0
09-14
0
09-15

1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-15 10:16 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-15 10:16 UTC

Everything below is measured over the latest 40 public posts (spanning ~1243 hours).

Posting hours (UTC) — busiest: 17:00

00:0012:0023:00

Languages: English (37) · German (2) · French (1)

Avg boosts / post: 2.3

Top of the latest posts

  • 🇩ᴇᴇᴘ-ꜱᴇᴀ robots descended 15,400ft into the Atlantic to map a toxic legacy. Over 200,000 corroded, leaking nuclear waste barrels sit on the seabed. #science tracking #Wissenschaft legacy. #oceanography #ecology #pollution #atlantic #data #

    Future Planet@[email protected]9222026-08-10 03:02 UTCView post →
  • Comments on the elimination of the "As Low As is Reasonably Achievable” (ALARA) principle must be submitted electronically using https://www.regulations.gov by 11:59 p.m. Eastern Time on August 31, 2026 #radiation #safety

    Chuck Darwin@[email protected]222026-07-27 23:14 UTCView post →
  • I've been wondering what the follow-up was to the finding of Cesium-137 in cloves from Indonesia. I haven't seen reports. So I tried a web search. The most detailed report I can find in English from the time is this one: https://en.tempo.co

    Megan Lynch (she/her)@[email protected]002026-09-09 10:04 UTCView post →

What “radiation” means

Wiktionary · Wikipedia

radiation/ɹaɪ.di.ˈaɪ.ʃən/

  • nounThe shooting forth of anything from a point or surface, like diverging rays of light.
Full entry on Wiktionary →

In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium. This includes:electromagnetic radiation consisting of photons, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ) particle radiation consisting of particles of non-zero rest energy, such as alpha radiation (α), beta radiation (β), proton radiation and neutron radiation acoustic radiation, such as ultrasound, soun

Radiation” on Wikipedia (CC BY-SA) →

#radiation across platforms

every network with a public tag surface

Follow #radiation 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/radiation