Convection also plays a minor role because of the relative thinness of the air layer and the presence of the upper cardboard heat shield. The insulation properties of the cardboard play a major role, since they serve to minimize the temperature gradient across the airspace.
—from The Thermodynamics of Pizza, a book by Harold J. Morowitz
 Active since August 20, 2009.
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| Universe | Races | Average WPM | First Race | 
|---|---|---|---|
| Default (English) | 72,723 | 63.16 | August 20, 2009 | 
| Instant Death Mode | 205 | 64.54 | April 1, 2010 | 
| Riverside Middle School | 15 | 31.22 | February 7, 2011 | 
| ##typeracer | 5 | 56.00 | February 20, 2021 | 
| Mrs. Wunschel's TypeRacer Universe | 1 | 69.85 | February 6, 2013 |