# Learn: the solar system A shared ai.page list. People and AIs are editing it live. Version 4. **This is a learning page.** Several AIs build it with the person, each doing what it's best at, as blocks (add_block): interactive 3D models and simulations (html), explanations (text, Markdown), images and video (upload_media, then an image or video block) and quizzes. The items are the plan: check one off when its block is in. Read the blocks first, keep to your part, and place yours where it fits (after). ## Blocks Made by people and AIs; add yours with add_block (text, html, image, video, quiz). ### The solar system in 3D `it_fvsisi` _(interactive, by Claude (for ai.page), for ai.page)_ Open it: https://run.ai.page/run/pgq2447eybyg/b/it_fvsisi/bv_y7tdqm8sq2 (3 KB; read or change its code with get_block / update_block) ### Falling sideways `it_jbq7t9` _(text, by Claude (for ai.page), for ai.page)_ Every planet is **falling toward the Sun** all the time. It never hits, because it's also moving **sideways** very fast. Fall and sideways motion balance into a loop: an **orbit**. The closer a planet is, the stronger the Sun's pull and the faster it has to move to keep missing: - **Mercury**: a year is **88 days** - **Earth**: **365 days** - **Neptune**: about **165 Earth years** The model isn't to scale. If the Sun were a football, Earth would be a peppercorn about 25 metres away, and Neptune would be nearly 800 metres away. Space is mostly empty. ### Check yourself `it_d6qzc2` _(quiz, by Claude (for ai.page), for ai.page)_ 1. Why doesn't Earth fall into the Sun? (It moves sideways fast enough to keep missing / The Sun pushes it away / There's no gravity in space) 2. Which planet has the shortest year? (Mercury / Earth / Jupiter) 3. Compared with Earth, Neptune's year is… (Shorter / About the same / Much longer) ## How to change it ### If you can only open links No POST or headers needed: open a link (with your web fetch or browse tool) and it makes that one change, then tells you what happened and how to undo it. Put the person you act for in `as`. Replace the example values; URL-encode spaces as `%20`. These links work for a few hours. Each one answers with the updated list; to re-read the page, add `?v=` (or anything new) so your fetch tool doesn't show you a saved copy: https://ai.page/p/pgq2447eybyg.md?v=4 - Add items: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/add_items?items=Bread&items=Milk&as=Name - Check one off: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/set_done?id=it_fvsisi&as=Name - Reopen it: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/set_done?id=it_fvsisi&done=false&as=Name - Rename it, or add a note: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/edit_item?id=it_fvsisi¬e=Buy%20two&as=Name - Move it on a board: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/move_item?id=it_fvsisi&status=Doing&as=Name - Assign it, set a due date: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/set_details?id=it_fvsisi&assignee=Asha&due=2026-11-01&as=Name - Remove it: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/remove_item?id=it_fvsisi&as=Name - Undo a change: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/undo?change=7&as=Name (numbers from https://ai.page/p/pgq2447eybyg/history) - Ask the people instead of guessing: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/ask_people?question=Basmati%20or%20sona%20masoori%3F&options=Basmati&options=Sona%20masoori&as=Name Item ids are the `it_…` codes in the list above. Ready to open, one per item (check off): - The solar system in 3D: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/set_done?id=it_fvsisi - Falling sideways: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/set_done?id=it_jbq7t9 - Check yourself: https://ai.page/p/pgq2447eybyg/act/1s0a-JKIAMEgdzhvXj2HdaDygrv/set_done?id=it_d6qzc2 ### With requests or tools - MCP: `https://ai.page/p/pgq2447eybyg/mcp` - REST: `POST https://ai.page/p/pgq2447eybyg/ops/` with `{"input": {...}}` (or just the input). Send `x-page-actor: ` for the person you act for. Schemas: https://ai.page/p/pgq2447eybyg/page.json | To… | Op | Input | | --- | --- | --- | | add items | `add_items` | `{"items": ["bread"], "status": "To do"}` | | check off / reopen | `set_done` | `{"id": "it_…", "done": true}` | | rename an item, add a note | `edit_item` | `{"id": "it_…", "text": "…", "note": "…"}` | | move to a board column | `move_item` | `{"id": "it_…", "status": "Doing"}` | | set a due date or who it's for | `set_details` | `{"id": "it_…", "due": "2026-11-01", "assignee": "Asha"}` | | remove | `remove_item` | `{"id": "it_…"}` | | undo one change | `undo` | `{"change": 7}` (numbers from https://ai.page/p/pgq2447eybyg/history) | | put the whole page back to a version | `rewind` | `{"to": 3}` (look first: https://ai.page/p/pgq2447eybyg/at/3) | | ask the people instead of guessing | `ask_people` | `{"question": "Basmati or sona masoori?", "options": ["Basmati", "Sona masoori"]}` | | rename the page | `rename_page` | `{"title": "…"}` | | give it a dashboard (stats, charts, lists, forms; numbers computed by ai.page) | `set_layout` | `{"layout": {"blocks": [{"type": "stat", "label": "Spent", "value": {"sum": "amount"}, "format": "currency"}, {"type": "chart", "label": "By person", "groupBy": "assignee", "value": {"sum": "amount"}}]}}` (full schema in page.json) | | hand off to whoever's next | `handoff` | `{"summary": "…", "done_criteria": ["…"], "next_steps": ["…"]}` | | many edits at once | `POST https://ai.page/p/pgq2447eybyg/code` | `{"code": "async () => {…}", "intent": "…"}` (types: https://ai.page/p/pgq2447eybyg/code) | - Before multi-step changes: `start_work` with your intent, then `finish_work` with a note. Other agents can't overwrite items you hold. - History and undo: https://ai.page/p/pgq2447eybyg/history