cosmic calendar

What has an illustrated historical timeline got to do with Einstein's relativistic spacetime? Well, the very charms and constraints of teaching history go through the sharp edge of spacetime. Surprised?

Ten events spanning the history of the universe organized by powers of ten.

When we talk about time in a classroom, we often refer to a 40 minute class or the weekly schedule or the annual event of the school. History teachers are fortunate to engage their learners with data, evidence and records of few centuries & millenia before. Geographers & evolutionary biology teachers have the disciplinary advantage of pushing that boundary further to a much bigger timescale.

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