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The Tabletop Explainer
Quasi-weekly answerers to science questions, along with brief lessons and ideas for teachers and students.

In the inaugural episode of the Tabletop Expl...

: 2 minutes : 17-Feb-2007

Electricity and magnetism are intimately conn...

: 3 minutes : 25-Feb-2007

A fast-paced time-laps demo of how to build y...

: 2 minutes : 03-Mar-2007

What do bicycle wheels, figure skaters, and e...

: 2 minutes : 10-Mar-2007

In the movie Speed a bus is forced to jump an...

: 4 minutes : 20-Mar-2007

Einstein may have believed God doesn't play d...

: 4 minutes : 25-Mar-2007

The quadrant is a simple tool for measuring t...

: 1 minute : 02-Apr-2007

The bizarre consequences of special relativit...

: 7 minutes : 11-Apr-2007

Last week we covered the two postulates of sp...

: 3 minutes : 21-Apr-2007

Now you can find out where you are even if yo...

: 5 minutes : 12-Aug-2008