對流也起著次要作用，因為相對薄的空氣層的存在和紙板上隔熱板。絕緣性能的紙板發揮重要作用，因為它們有助於減少溫度梯度整個領空。通過研究冷卻比薩餅在重力的環境號航天飛機，我們可以更準確確定對流流動的重要性。
—from The Thermodynamics of Pizza (比薩的熱力學), a book by Harold J. Morowitz
Active since March 29, 2010.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 281. | natalie (magec) | 77.69 | 26% | 2012-10-16 |
| 282. | Yeh (st055031) | 77.57 | 26% | 2012-10-21 |
| 283. | Eric (eric923) | 77.46 | 80% | 2013-12-14 |
| 284. | Waterr (waterlee) | 77.34 | 43% | 2011-09-18 |
| 285. | law (kungkilaw) | 77.28 | — | 2010-08-23 |
| 286. | drawtide (drawtide) | 77.27 | — | 2011-02-17 |
| 287. | Alice (gavnky) | 77.24 | — | 2011-01-12 |
| 288. | yves (jeng2013) | 77.09 | 30% | 2013-10-12 |
| 289. | water (waterchan) | 76.98 | 33% | 2017-02-08 |
| 290. | ming-yang (pauls) | 76.66 | 66% | 2016-03-14 |
| 291. | r3n (ripcloud) | 76.63 | 26% | 2016-07-16 |
| 292. | 黃 (a240b1c) | 76.56 | 99% | 2016-06-10 |
| 293. | JOEL (sgsgsg159) | 76.50 | 29% | 2013-09-13 |
| 294. | 倉頡向左走向右走 (s... | 76.06 | 47% | 2011-05-09 |
| 295. | Jeffrey (c888hk) | 75.60 | — | 2010-06-19 |
| 296. | Kyle (nakuz1988) | 74.92 | — | 2010-06-02 |
| 297. | SHei (shei5917) | 74.50 | 21% | 2011-06-10 |
| 298. | Charon (charoncly) | 74.47 | 36% | 2012-12-20 |
| 299. | Ryan (ryanyeung) | 74.29 | 38% | 2011-05-09 |
| 300. | Star (starkennim) | 74.15 | 26% | 2013-03-07 |
| 301. | Matthew (matthew1991314) | 73.85 | 89% | 2014-08-27 |
| 302. | simoha (satori) | 73.79 | — | 2010-09-04 |
| 303. | zsonicx (zsonicx) | 73.79 | 93% | 2011-05-31 |
| 304. | Aertuo (aertuo) | 73.56 | 31% | 2012-10-16 |
| 305. | Dennis (ai913) | 73.01 | 70% | 2011-05-08 |
| 306. | Ken (bcsdleweev) | 72.94 | 36% | 2012-01-27 |
| 307. | WK (cwk194) | 72.76 | 31% | 2015-03-07 |
| 308. | kk (honkk) | 72.62 | — | 2010-11-27 |
| 309. | Simon (simon0919) | 72.53 | 37% | 2011-05-20 |
| 310. | Gavin (gavin_c) | 72.27 | — | 2010-11-26 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Traditional Chinese | 1,040 | 92.75 | March 29, 2010 |