Cool stuff.

Links, tools, and things I keep coming back to. A loose collection that grows over time.

Tools

FlightRadar24

The obvious one. Still the best window onto live air traffic.

Planespotters.net

Aircraft registries, fleet lists, spotting photos from airports worldwide.

Seat61

The definitive guide to travelling by train. Mark Smith's life work.

Rome2rio

Multi-modal journey planner. Great for figuring out overland routes.

Our World in Data — Energy

Charts you can actually trust, with sources.

Ember Climate

Independent energy think-tank with clean, open data visualisations.

Global Carbon Budget

Annual accounting of global CO₂ emissions and remaining carbon budget.

Marginalia by John Naughton

A long-running, generous-minded weblog. Worth subscribing to.

Alignment Forum

The best place to follow technical AI safety research.

80,000 Hours

Research-backed career advice focused on doing the most good.

Works in Progress

Essays on progress, science, and what actually moves the world forward.