#invar
Live, measured metrics for the hashtag #invar from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #invar
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.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-09-25 20:42 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-09-25 20:42 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-09-25 20:42 UTCEverything below is measured over the latest 4 public posts (spanning ~12040 hours).
Posting hours (UTC)
Languages: English (4)
Avg boosts / post: 0
Top of the latest posts
#OnThisDay June 13, 1938: Nobel Prize-winning Physicist Charles-Édouard Guillaume, who created Invar and Elinvar, dies in Sèvres, France. His materials revolutionized watch balances and springs. #Fleurier #Invar #Neuchatel
#OnThisDay February 15, 1861: Physicist Charles-Édouard Guillaume is born in Fleurier. He would win the Nobel Prize for the discovery of the properties of nickel-iron alloys like Invar, which does not expand or contract and revolutionized
An Atomic Pendulum Clock Accurate Enough for CERN - That big grandfather clock in the library might be an impressive piece of mechanic... - https://hackaday.com/2023/01/28/an-atomic-pendulum-clock-accurate-enough-for-cern/ #phase-lockedloop
What “invar” means
Wiktionary · Wikipediainvar
- nounAn alloy of iron containing 35.5% nickel, and having a very low coefficient of expansion.
Invar, also known generically as FeNi36, is a nickel–iron alloy notable for its uniquely low coefficient of thermal expansion. The name Invar comes from the word invariable, referring to its relative lack of expansion or contraction with temperature changes, and is a registered trademark of ArcelorMittal.
“Invar” on Wikipedia (CC BY-SA) →#invar across platforms
every network with a public tag surfaceFollow #invar 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/invar