The Logbook

Every signal, dated and filed.

Append-only. Entries are never edited — only their status moves. Showing 3 of 347 entries.

  1. Technology

    Brazil school phone bans show test scores improved 0.06 s.d. in treatment schools vs control, suggesting measurable academic benefit from technology restriction policies in classrooms.

    noticed
  2. Technology

    Early empirical study finds mental health effects from school smartphone bans using National Survey of Children's Health data and difference-in-difference models.

    noticed
  3. Civic Life

    OpenAI, Google, Microsoft back bill funding AI literacy grants through NSF to schools, introduced by Schiff and Rounds May 2026.

    noticed
+ Capture a new signalEntries persist to Supabase · 347 on file