#spectroscopy
Live, measured metrics for the hashtag #spectroscopy from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #spectroscopy
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 · mastodon.social (Mastodon public tags API) · fetched 2026-09-28 06:36 UTC4 uses by 3 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-28 06:36 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-28 06:36 UTCEverything below is measured over the latest 40 public posts (spanning ~798 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (22) · German (1)
Avg boosts / post: 0.9
Top of the latest posts
#MiniSpectroscope: An inexpensive #3Dprinted periscope-type #smartphone -based #OpenSource #spectrophotometer for #emission, #absorption & #fluorescence #spectroscopy: -cost: $40 (phone excluded) https://doi.org/10.1021/acs.jchemed.2c00060
I almost forgot the calibration panel, and without it every number I collected means nothing. The standard is what turns a raw reading into reflectance. Same idea as the white sheet of paper we use in the lab, just outdoors. Spectral reflec
Five bands, or 222. Two spectrometers, one afternoon. We put the same seven surfaces through a CropScan multispectral with five bands, and a StellarNet hyperspectral with 222. This is not the toy instrument we use indoors. Filmed end to end
What “spectroscopy” means
Wiktionary · WikipediaSpectroscopy is the field of study that measures and interprets electromagnetic spectra as it interacts with matter. In narrower contexts, spectroscopy is the precise study of color as generalized from radiated visible light to all bands of the electromagnetic spectrum.
“Spectroscopy” on Wikipedia (CC BY-SA) →#spectroscopy across platforms
every network with a public tag surfaceFollow #spectroscopy 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/spectroscopy