#hydrogen101

Live, measured metrics for the hashtag #hydrogen101 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

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0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 05:26 UTC
0
07-21
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27

0 uses by 0 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 05:26 UTC

No related tags with measured usage found for #hydrogen101.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 05:26 UTC

Everything below is measured over the latest 40 public posts (spanning ~12029 hours).

Posting hours (UTC) — busiest: 18:00

00:0012:0023:00

Languages: English (40)

Avg boosts / post: 0.8

Top of the latest posts

  • #Hydrogen101 Germany's Ostermeier Hydrogen Solutions makes & sells complete small water electrolyzer systems that can run off your solar PV panels for grid independence. Has compressed hydrogen storage & a fuel cell for Dunkelflaute or seas

    KeithDPatch@[email protected]♥ 2↻ 02026-04-10 12:47 UTCView post →

  • #hydrogen101 NOx emissions are a major problem with all hydrogen internal combustion engines, including turboprops. Besides NO and NO2, they often emit N2O. GWP100 of N2O is 265-300x higher than CO2. I doubt China is using SCR to limit NOx.

    KeithDPatch@[email protected]♥ 1↻ 22026-05-16 22:45 UTCView post →

  • #Hydrogen101 #H2Safety I know that only mice were involved in these inhalation therapy experiments, but 7% hydrogen in air is almost twice the flammability limit of 4%!💥 Don't forget about the humans who ran these lab experiments and were

    KeithDPatch@[email protected]♥ 1↻ 12026-04-09 22:01 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/hydrogen101