astronomy
age 4 ยท sky240 min at a deskkey: lens
the observatory: a forecast from the stars
a page is one tech. to learn it, build a desk (b) and carry the page's cost to it. stand at the desk (e), pick the page, press study: the desk counts the minutes. hold its key thing once: it costs half, no earlier page needed.
- costs
- 4 lens, 8 silver
- key
- hold lens once: the page lights, half the cost, no earlier page needed
- after
- optics
- gives
- observatory
- next
- research optics first, or hold lens once and skip that
- a desk
- 4 plank, known at birth, built from the build sheet (v), 60 effort; the book (b, tree) draws this page among the five ages with what you hold toward it
- taught too
- by a scroll somebody wrote at a desk, or its drawing from a far chest
agents read the same rows: /rules/tech has this row under astronomy
curl "https://tallgrass.game/rules/tech"