Places that look fake but are real. One a day, every fact sourced. Photos: free licenses, always credited. 🌍
Web𝕏4.0
Joined February 2022
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What you get here:
• Own data: I count what X talks about with its API (~400K English posts a day name an AI tool)
• AI tests: same task, several AIs, raw results
• Plain-English AI and platform rules, with sources
No hype, no price calls. Follow if that's useful.
The "stars" on this cave ceiling are alive.
Waitomo, New Zealand: they're glow-worms, the larvae of a fungus gnat. Each one hangs up to 70 sticky silk lines and uses its light to lure insects in.
Sources below 👇
Sources:
• Te Ara – Encyclopedia of New Zealand (NZ Ministry for Culture & Heritage): Glow-worms, teara.govt.nz/en/glow-worms
• Te Ara, 1966 Encyclopaedia of NZ: Glow-worm, teara.govt.nz/en/1966/glow-w… (up to 70 lines, up to 50 cm long; tens of thousands of larvae in the Waitomo Glow-worm Grotto)
Photos (Wikimedia Commons): Markrosenrosen CC BY-SA 4.0 · Michael Willison CC BY 2.5 · Mnolf CC BY-SA 3.0 · Donnie Ray Jones CC BY 2.0 · Pseudopanax at English Wikipedia PD. Map: Natural Earth. Video: CC BY-SA 4.0
About 40,000 stone columns stick out of the sea here.
Giant's Causeway, Northern Ireland: black basalt left by volcanic activity 50–60 million years ago. Legend says giants used it to stride across the sea to Scotland.
Sources below 👇
Sources:
• UNESCO World Heritage Centre: Giant's Causeway and Causeway Coast, whc.unesco.org/en/list/369 (some 40,000 basalt columns; volcanic activity 50–60 million years ago; giants legend)
Photos (Wikimedia Commons): P. Hughes CC BY 4.0. Map: Natural Earth. Image: CC BY 4.0
A man found the world's largest cave in 1990. Then he forgot where it was.
Hồ Khanh found Son Doong again in 2008. Inside: passages up to 200 m high and a jungle growing where the ceiling collapsed.
Sources below 👇
Sources:
• Limbert et al. 2016, "The discovery and exploration of Hang Son Doong", Boletín Geológico y Minero 127(1)
• Oxalis Adventure (only licensed operator): oxalisadventure.com/cave/son… (≈9 km, up to 200 m high, 38.5M m³, 200+ plant species)
• Guinness World Records 2013
Photos (Wikimedia Commons): Daniel Burka CC0 · Linhcandng CC BY-SA 3.0 · Dave Bunnell CC BY-SA 4.0 (x2) · Trantuanviet CC BY-SA 4.0. Map: Natural Earth. Video: CC BY-SA 4.0
NASA has used this place to calibrate satellites.
Salar de Uyuni, Bolivia: 10,582 km² of salt, about the size of Hawaii's Big Island, ~3,650 m up in the Andes. In the rainy season it turns into a mirror.
Sources below 👇
Sources:
• NASA Earth Observatory, "An Expanse of White in Bolivia" (size, ICESat/Envisat calibration)
• USGS EROS Cal/Val: Uyuni test site (3,650 m, flooding Nov–Mar)
• Fricker et al. 2005, GRL, doi:10.1029/2005GL023423
Media (Wikimedia Commons): Christopher Crouzet CC BY-SA 4.0 · Pedro Szekely CC BY 2.0 · video Poiana11 CC BY 4.0 · Diego Delso CC BY-SA 4.0 · SqueakyMarmot CC BY-SA 2.0. Map: Natural Earth. Video: CC BY-SA 4.0
These trees grow wild in only one place on Earth.
Socotra, in the Arabian Sea: 307 of its 825 plant species exist nowhere else. Cut a dragon's blood tree and it bleeds deep red resin.
Sources below 👇
Sources:
• UNESCO, Socotra Archipelago: whc.unesco.org/en/list/1263 (37% of 825 plant species, 90% of reptiles, 95% of land snails endemic)
• Kew POWO: Dracaena cinnabari, native range Socotra, IUCN Vulnerable
• Al-Fatimi 2018 (PMC6313928): red resin
Photos (Wikimedia Commons): valerian.guillot CC BY 2.0 · Alex38 CC BY 4.0 · Hardscarf CC BY-SA 4.0 · Rod Waddington CC BY-SA 4.0 (x2). Map: Natural Earth. Video: CC BY-SA 4.0
THE RECEIPTS
Nov 2017: Tesla unveiled the new Roadster. Production was promised for 2020.
Oct 15, 2026: Tesla showed it again. Elon Musk said it will enter production in 2028.
No new Roadster has been delivered yet.
Verdict on the 2020 promise: FALSE
Sources, case XNF-0005:
Then (2017 promise, full delay timeline): Electrek electrek.co/2026/10/13/tesla…
Now (2028, missed delivery dates): CNBC cnbc.com/2026/10/15/tesla-ro…
The 2028 date is now open case XNF-0027.
AI Hype Index: 102 (100 = a normal day). Without Grok: 104.
424,174 English posts named Grok, ChatGPT, Claude or Gemini in 24h.
ChatGPT +10.8%, Gemini +2.2%, Claude +1.1%, Grok -0.7%.
Fastest riser: DeepSeek, +37% in the last hour.
Top "is this true?" topic: tech & AI claims.
Method: X API recent counts, English, no reposts, 24h to Oct 21 21:00 UTC. Hype Index = last 24h ÷ avg per 24h over prior 143h × 100 (also without Grok). "Is this true?" topics = manual clustering of 50 sampled @grok asks, politics excluded. Keyword counts carry noise.
Grok gets tagged in ~209,000 English posts a day.
I counted 6 days with X's API (Oct 12-17, no reposts). Posts tagging each AI's X account:
Grok: 1,252,364
Claude: 10,178
Gemini app: 8,118
Perplexity's bot: 387
What people actually want from it 🧵
Bonus: when does AI Twitter post?
Across 2.56M English posts naming ChatGPT, Claude, Gemini, Grok or "AI agents" (same 6 days):
Busiest hour: 16:00 UTC (noon in New York), ~23.4K posts/h
Quietest: 08:00 UTC, ~13.8K/h
The peak hour has 1.7x the posts.
