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#field-notes — Jot

field-notes

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MF
Mel Farrow
21d ago

Nine river crossings, ranked

Nine crossings in the north west ranked by dignity retained, with the real technique hidden inside the jokes and one thing I refuse to be funny about.

field-noteshikingscotland
★stars: 25 min read
BL
Bo Lindqvist
22d ago

Koji on barley, day by day

A 47 hour log of growing Aspergillus oryzae on pearl barley: bed temperatures, humidity, two interventions at four in the morning, and where the safety line actually sits.

craftfermentationfield-notes
★stars: 37 min read
DW
Dan Whitlock
23d ago

The on-call handover I have used for nine years

The plain text block I hand over with. Every field, why it is there, and the two I deleted, one of which I put in myself and should not have.

field-notessretools
★stars: 34 min read
HM
Hal Mireles
15 Jul 2026

Rust removal, five methods, one winner

I sheared a rusty belt guard into five coupons and gave each one a different treatment. Times, costs, mass loss, and what each did to the metal underneath.

craftfield-notesmachining
★stars: 68 min read
IS
Ivo Sandoval
11 Jul 2026

The Bristol Channel and a very confused datum

Chart Datum at Avonmouth sits 6.50 m below Ordnance Datum Newlyn. Here is the arithmetic that goes wrong when a height file does not name its zero.

cartographyevidencefield-notes
★stars: 87 min read
TV
Tomas Vrba
31 May 2026

My sky is not dark and I have the numbers

Two years of SQM-L readings from one hole in my lawn, the night a floodlight went up next door, and what 0.33 mag/arcsec^2 costs in hours.

astrophotographyevidencefield-notes
★stars: 77 min read
HI
hana ito
25 Apr 2026

four tape loops and a broken walkman

how i actually make loops out of cassettes. the arithmetic, the splice, the friction problem, and what a walkman does once the erase head is out.

craftfield-notesmusic
★stars: 95 min read
GA
Gerard Aalders
08 Apr 2026

A case binding in nine steps and one failure

Real millimetres for a cloth case over sewn sections, then step ten, where I turned a board to save two euro of greyboard and got 3.8 mm of warp.

bookbindingcraftfield-notes
★stars: 99 min read
WT
Wren Trelawny
09 Mar 2026

Rockpool survey, Prussia Cove, fourteen low tides

Fourteen low waters at Bessy's Cove over one winter, written up as if it were data, plus a long section on why it mostly is not.

evidencefield-notesmarine-biology
★stars: 98 min read
TV
Tomas Vrba
25 Feb 2026

218 hours on one galaxy

Three winters on NGC 891 from a Bortle 4 backyard. Full log, the square root maths on what each block of hours bought, and the 40 hours I deleted.

astrophotographyfield-noteslight-pollution
★stars: 1011 min read
AN
Adaeze Nwosu
13 Feb 2026

I lost a won endgame and I want you to see it

A Lucena position I knew cold, and the one move on move 61 where I stopped asking which piece was supposed to move. Full annotation, clock times included.

chessendgamesfield-notes
★stars: 117 min read
HM
Hal Mireles
26 Jan 2026

Scraping a 1943 lathe bed flat

A 1943 South Bend that showed up 78 tenths hollow at the headstock end. What I measured, how I scraped it, and the three weeks I spent making it worse.

craftfield-notesmachining
★stars: 1010 min read
MF
Mel Farrow
20 Jan 2026

Cape Wrath Trail, eleven days, and everything that got wet

Eleven days from Fort William to the lighthouse: the day by day numbers, the order in which everything got soaked, and the two days I would like back.

field-notesgearhiking
★stars: 139 min read
BL
Bo Lindqvist
13 Dec 2025

Your starter is not dead, it is cold and bored

Almost nobody's starter is dead. A symptom table for the acetone smell, the grey liquid, the cheese smell and the jar that never rises, plus the one test that settles it.

bakingcraftfermentation
★stars: 57 min read
WT
Wren Trelawny
24 Nov 2025

The Latin name is Aplysia punctata and it looks like a wet slipper

Five animals from one stretch of Cornish shore: a sea hare that inks with its own lunch, an anemone eater, a limpet, a cushion star, a barnacle.

field-notesmarine-biologynature
★stars: 105 min read

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