Video from The 2012 R. Lowry Dobson Memorial Lecture featuring Walter Alvarez, Big History and ChronoZoom now online!


ChronoZoom 2 beta in HTML5 has arrived!
Please visit to try it now.

We look forward to your comments and suggestions.

- The ChronoZoom Team

ChronoZoom 1.0 Archive Site:


ChronoZoom is the Zoomable timeline for Big History

With ChronoZoom, you can browse history, rather than digging it out piece by piece.

ChronoZoom is a timeline for all of history: From the Big Bang, to the time of the dinosaurs, to the present.

View brochure >>

Try it Now

ChronoZoom 1.0 Proof of Concept >>


Cal Day 2011 Presentation

Video webcast now available >>