#optics

Live, measured metrics for the hashtag #optics 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 #optics

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 #optics — $520.70/yr→
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6
Uses / 7 days
Mastodon
6
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.4
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 06:54 UTC
2
07-21
1
07-22
0
07-23
1
07-24
1
07-25
1
07-26
0
07-27

6 uses by 6 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 2026-07-27 06:54 UTC
#opticsandphotonics
0 uses · 0 accounts / 7d
#QuantumOptics
0 uses · 0 accounts / 7d
#AncientOptics
0 uses · 0 accounts / 7d
#quantum_optics
0 uses · 0 accounts / 7d
#opticsexperiments
0 uses · 0 accounts / 7d
#opticsbyexample
0 uses · 0 accounts / 7d
#OpticsShucks
0 uses · 0 accounts / 7d
#schlieren_optics
0 uses · 0 accounts / 7d
#opticsfastinc
0 uses · 0 accounts / 7d
#AerosolOptics
0 uses · 0 accounts / 7d
#opticspy
0 uses · 0 accounts / 7d
#opticscucks
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 06:54 UTC

Everything below is measured over the latest 40 public posts (spanning ~1073 hours).

Posting hours (UTC) — busiest: 12:00

00:0012:0023:00

Languages: English (40)

Avg boosts / post: 4.9

Top of the latest posts

  • Today I learnt that the human eye has a horrible chromatic dispersion (i.e. blue and red light focus at very different places), equivalent to approximately 2 dioptres. It is amazing we can see anything at all! (The lesson here is that visio

    j_bertolotti@[email protected]♥ 12↻ 02026-06-24 07:10 UTCView post →

  • Tempted to start making posts about how #Optics, #Light, absorption etc work, aimed at people doing #MiniaturePainting . Mostly I am not doing it because I suspect I would come around as obnoxious instead of useful.

    j_bertolotti@[email protected]♥ 3↻ 02026-07-09 15:04 UTCView post →

  • A newly developed semiconductor device utilizes two distinct colors of phase-coherent laser light to generate and precisely steer a directional flow of electrons without relying on an external electrical power source. #QuantumPhysics #Optoe

    Scientific Frontline@[email protected]♥ 1↻ 52026-07-21 16:39 UTCView post →

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/optics