1676:
313:
267:
1459:
409:
796:
524:
publishes "Ăśber die 'Sprache' der Bienen. Eine tierpsychologische
Untersuchung" ("On the 'language' of bees: an examination of animal psychology").
1509:
1792:
854:
272:
293:
473:
736:
1685:
1414:
368:
361:
1819:
1309:
402:
1391:
882:
1729:
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334:
1619:
645:
1824:
607:
395:
36:
1814:
1479:
1176:
845:
161:
51:
30:
1036:
840:
722:
1753:
1242:
1077:
1003:
836:
814:
288:
699:
375:
1501:
1628:
1560:
1399:
1342:
660:
507:
302:
184:
1437:
1369:
744:
511:
251:
179:
1644:
710:
681:
578:
355:
350:
199:
189:
1271:
1788:
1681:
1617:
Bohr, N.; Coster, D. (December 1923). "Röntgenspektren und periodisches System der
Elemente".
1471:
1376:
1198:
1158:
995:
954:
895:
858:
695:
642:
634:
601:
447:
382:
1765:
1710:
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1150:
1102:
1025:
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718:
588:
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538:
489:
1047:
1433:
1418:
1407:
1395:
1380:
1365:
1346:
1335:
1324:
1313:
1298:
1275:
1257:
1246:
1224:
1213:
1202:
1191:
1180:
1169:
1154:
1143:
1124:
1113:
1106:
1095:
1088:
1069:
1051:
1040:
1029:
1014:
999:
984:
969:
958:
943:
932:
917:
899:
878:
649:
582:
521:
236:
231:
158:
153:
148:
143:
138:
133:
128:
122:
117:
112:
100:
95:
90:
84:
79:
74:
69:
64:
59:
54:
1701:
Zobel, O. J. (1923). "Theory and Design of
Uniform and Composite Electric Wave Filters".
1632:
1564:
1460:"A Fifty Year Anniversary of a Two Thousand Year Dream (The History of the Planetarium)"
1714:
1429:
1187:
939:
703:
621:
468:
1808:
1648:
1361:
1294:
1253:
1209:
1165:
1132:
1120:
1058:
965:
906:
762:
754:
668:
653:
592:
485:
211:
194:
1231:
1084:
1065:
1055:
1018:
947:
928:
869:
777:
714:
1677:
The Code Book: the
Science of Secrecy from Ancient Egypt to Quantum Cryptography
1671:
1320:
1287:
980:
921:
873:
849:
831:
758:
534:
481:
174:
1331:
1220:
973:
818:
574:
560:
451:
443:
430:
1475:
1403:
1384:
1350:
1279:
1235:
1139:
1110:
988:
903:
801:
771:
638:
556:
515:
1354:
1227:), American electrical engineer, recipient of the Nobel Prize in Physics.
1073:
767:
751:
740:
454:
1603:
1640:
1422:
1302:
548:
425:
1769:
1573:
1546:
1128:
1092:
748:
664:
493:
1283:
564:
514:
in public school textbooks purchased by the state, the first anti-
1785:
International Women in
Science: A Biographical Dictionary to 1950
510:
signs House Bill 197 with the
Montgomery amendment outlawing the
1748:
1249:), American physicist, recipient of the Nobel Prize in Physics.
1588:
Hevesy, G. (1925). "The
Discovery and Properties of Hafnium".
577:
and Dirk Coster, working in
Copenhagen, produce a paper on
766:, they are determined in 1995 actually to belong to the
597:
Thermodynamics and the Free Energy of
Chemical Reactions
442:
January 17 (or 9) – First stable flight of the first
1661:
According to chemistry historian Henry M. Leicester.
599:
is influential in the replacement of the concept of
1730:"Life and Death in a 70 Million-Year-Old Sand Sea"
1002:), American nuclear physicist, recipient of the
480:October 21 – First official public showing of a
433:involved some significant events, listed below.
775:. On August 11 Peter Kaisen recovers the first
1506:Encyclopedia of Oklahoma History & Culture
403:
8:
1547:"On the Missing Element of Atomic Number 72"
652:design principle which will become known as
1545:Coster, D.; Hevesy, G. (20 January 1923).
410:
396:
219:
1572:
18:Overview of the events of 1923 in science
1470:(3). International Planetarium Society.
706:, admits its first psychiatric patients.
518:legislation passed in the United States.
1787:. Santa Barbara: ABC-CLIO. p. 12.
1450:
342:
326:
321:
301:
280:
259:
243:
222:
1260:), English-born theoretical physicist.
747:is the first in the world to discover
20:
797:The Mathematical Theory of Relativity
757:. Initially thought to belong to the
7:
1530:Zoologische JahrbĂĽcher (Physiologie)
1172:), English-born computer scientist.
477:("By Rocket into Planetary Space").
1715:10.1002/j.1538-7305.1923.tb00001.x
1458:Chartrand, Mark (September 1973).
1043:), English pharmaceutical chemist.
737:American Museum of Natural History
14:
369:List of open letters by academics
362:Timeline of cosmological theories
1783:Haines, Catharine M. C. (2001).
474:Die Rakete zu den Planetenräumen
1512:from the original on 2010-10-18
1508:. Oklahoma Historical Society.
1194:), Czech immunologist and poet.
541:publish their discovery of the
1756:(1924). "Three new Theropoda,
1310:Johannes Diderik van der Waals
1146:), Chinese computer scientist.
1:
1703:Bell System Technical Journal
1392:Henry Haversham Godwin-Austen
698:, established jointly by the
376:History of technology by type
294:Governance and policy studies
961:), American medical chemist.
817:invents the first practical
624:first produced commercially.
322:Extraterrestrial environment
671:) for "television systems".
462:Astronomy and space science
268:Sustainable energy research
1841:
1762:American Museum Novitates
1760:zone, central Mongolia".
1680:. London: Fourth Estate.
1502:"Anti-Evolution Movement"
1327:), Scottish-born chemist.
1216:), Viennese-born chemist.
1205:), American geophysicist.
1032:), English mathematician.
1017:), Viennese-born British
383:List of science timelines
273:Transportation technology
1620:Zeitschrift fĂĽr Physik A
1177:Daniel Carleton Gajdusek
31:List of years in science
1820:20th century in science
1338:), American naturalist.
1183:), American virologist.
841:Robert Andrews Millikan
794:publishes the textbook
327:Terrestrial environment
1243:Philip Warren Anderson
1234:(died 1998), American
1078:cognitive psychologist
1048:Albert (Ab) C. Perdeck
1004:Nobel Prize in Physics
648:sections based on the
641:describes the type of
700:London County Council
314:Dinosaurs' extinction
1415:Sir Frederick Treves
1343:Sydney Mary Thompson
815:Herbert Grove Dorsey
723:Kitasato ShibasaburĹŤ
661:Vladimir K. Zworykin
508:governor of Oklahoma
1633:1923ZPhy...12..342B
1604:10.1021/cr60005a001
1565:1923Natur.111...79C
1438:structural engineer
1370:electrical engineer
1316:), Dutch physicist.
745:Roy Chapman Andrews
512:theory of evolution
1728:Fastovsky, David.
1641:10.1007/BF01328104
942:, née Howes (died
935:), American pilot.
711:diphtheria vaccine
682:Tanager Expedition
579:X-ray spectroscopy
1794:978-1-57607-090-1
1377:Kadambini Ganguly
1199:John Ertle Oliver
996:Val Logsdon Fitch
987:), Viennese-born
955:Helen Murray Free
896:Daniel Gorenstein
859:Frederick Banting
696:Maudsley Hospital
643:signal processing
635:Otto Julius Zobel
602:chemical affinity
448:Juan de la Cierva
420:
419:
218:
217:
43:
42:
1832:
1825:1920s in science
1799:
1798:
1780:
1774:
1773:
1754:Osborn, Henry F.
1746:
1740:
1739:
1737:
1736:
1725:
1719:
1718:
1698:
1692:
1691:
1668:
1662:
1659:
1653:
1652:
1614:
1608:
1607:
1591:Chemical Reviews
1585:
1579:
1578:
1576:
1574:10.1038/111079a0
1542:
1536:
1527:
1521:
1520:
1518:
1517:
1497:
1491:
1490:
1488:
1487:
1478:. Archived from
1455:
1421:), English-born
1282:, discoverer of
1151:Stephanie Kwolek
1026:G. Spencer-Brown
1011:Brigitte Askonas
914:Robert J. Gorlin
883:William Whitaker
792:Arthur Eddington
719:Emil von Behring
663:files his first
589:Gilbert N. Lewis
585:of the elements.
559:ore, working in
543:transition metal
539:George de Hevesy
490:Deutsches Museum
412:
405:
398:
335:Tornado research
220:
25:
24:
21:
1840:
1839:
1835:
1834:
1833:
1831:
1830:
1829:
1815:1923 in science
1805:
1804:
1803:
1802:
1795:
1782:
1781:
1777:
1752:
1747:
1743:
1734:
1732:
1727:
1726:
1722:
1700:
1699:
1695:
1688:
1670:
1669:
1665:
1660:
1656:
1616:
1615:
1611:
1587:
1586:
1582:
1544:
1543:
1539:
1528:
1524:
1515:
1513:
1500:O'Dell, Larry.
1499:
1498:
1494:
1485:
1483:
1464:The Planetarian
1457:
1456:
1452:
1447:
1272:Wilhelm Röntgen
1267:
1197:September 26 –
1186:September 13 –
1159:polymer chemist
1114:cardiac surgeon
1096:plastic surgeon
891:
879:Wollaston Medal
828:
811:
788:
732:
694:February – The
691:
678:
650:image impedance
631:
618:
583:periodic system
554:
531:
522:Karl von Frisch
506:March 23 – The
503:
464:
439:
416:
281:Social sciences
239:
234:
224:1923 in science
209:
166:
125:
87:
19:
12:
11:
5:
1838:
1836:
1828:
1827:
1822:
1817:
1807:
1806:
1801:
1800:
1793:
1775:
1741:
1720:
1693:
1686:
1663:
1654:
1627:(1): 342–374.
1609:
1580:
1537:
1522:
1492:
1449:
1448:
1446:
1443:
1442:
1441:
1430:Gustave Eiffel
1428:December 27 –
1426:
1411:
1388:
1373:
1358:
1349:), Irish-born
1339:
1328:
1317:
1306:
1293:February 24 –
1291:
1270:February 10 –
1266:
1263:
1262:
1261:
1252:December 15 –
1250:
1241:December 13 –
1239:
1230:November 18 –
1228:
1217:
1206:
1195:
1188:Miroslav Holub
1184:
1175:September 9 –
1173:
1162:
1147:
1136:
1117:
1099:
1081:
1062:
1044:
1033:
1022:
1007:
992:
977:
962:
953:February 20 –
951:
940:Doris Calloway
938:February 14 –
936:
927:February 13 –
925:
910:
890:
887:
886:
885:
876:
867:
866:
865:
852:
843:
827:
824:
823:
822:
810:
807:
806:
805:
787:
784:
783:
782:
739:expedition to
731:
728:
727:
726:
707:
704:Henry Maudsley
690:
687:
686:
685:
677:
674:
673:
672:
659:December 29 –
657:
654:Zobel networks
630:
627:
626:
625:
622:Enigma machine
617:
614:
613:
612:
586:
572:
552:
530:
527:
526:
525:
519:
502:
499:
498:
497:
478:
469:Hermann Oberth
463:
460:
459:
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17:
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3:
2:
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1816:
1813:
1812:
1810:
1796:
1790:
1786:
1779:
1776:
1771:
1767:
1764:(144): 1–12.
1763:
1759:
1758:Protoceratops
1755:
1750:
1745:
1742:
1731:
1724:
1721:
1716:
1712:
1708:
1704:
1697:
1694:
1689:
1687:1-85702-879-1
1683:
1679:
1678:
1673:
1667:
1664:
1658:
1655:
1650:
1646:
1642:
1638:
1634:
1630:
1626:
1622:
1621:
1613:
1610:
1605:
1601:
1597:
1593:
1592:
1584:
1581:
1575:
1570:
1566:
1562:
1558:
1554:
1553:
1548:
1541:
1538:
1534:
1531:
1526:
1523:
1511:
1507:
1503:
1496:
1493:
1482:on 2009-04-20
1481:
1477:
1473:
1469:
1465:
1461:
1454:
1451:
1444:
1439:
1435:
1431:
1427:
1424:
1420:
1416:
1413:December 7 –
1412:
1409:
1405:
1401:
1397:
1393:
1390:December 2 –
1389:
1386:
1382:
1378:
1374:
1371:
1367:
1363:
1362:Hertha Ayrton
1359:
1356:
1352:
1348:
1344:
1340:
1337:
1333:
1329:
1326:
1322:
1318:
1315:
1311:
1307:
1304:
1300:
1296:
1295:Edward Morley
1292:
1289:
1285:
1281:
1277:
1273:
1269:
1268:
1264:
1259:
1255:
1254:Freeman Dyson
1251:
1248:
1244:
1240:
1237:
1233:
1229:
1226:
1222:
1219:November 8 –
1218:
1215:
1211:
1210:Carl Djerassi
1208:October 29 –
1207:
1204:
1200:
1196:
1193:
1189:
1185:
1182:
1178:
1174:
1171:
1167:
1166:Edgar F. Codd
1163:
1160:
1156:
1152:
1148:
1145:
1141:
1137:
1134:
1133:mathematician
1130:
1126:
1122:
1121:Ulf Grenander
1118:
1115:
1112:
1108:
1104:
1103:René Favaloro
1100:
1097:
1094:
1090:
1086:
1082:
1079:
1075:
1071:
1067:
1063:
1060:
1059:ornithologist
1057:
1053:
1049:
1045:
1042:
1038:
1037:Stewart Adams
1034:
1031:
1027:
1023:
1020:
1016:
1012:
1008:
1005:
1001:
997:
993:
990:
986:
982:
978:
975:
971:
967:
966:Patrick Moore
963:
960:
956:
952:
949:
945:
941:
937:
934:
930:
926:
923:
919:
915:
912:January 11 –
911:
908:
907:mathematician
905:
901:
897:
893:
892:
888:
884:
881:for Geology:
880:
877:
875:
871:
868:
864:
860:
856:
853:
851:
847:
844:
842:
838:
835:
834:
833:
830:
829:
825:
820:
816:
813:
812:
808:
803:
799:
798:
793:
790:
789:
785:
781:fossil known.
780:
779:
774:
773:
769:
765:
764:
763:Protoceratops
760:
756:
753:
750:
746:
742:
738:
735:July 13 – An
734:
733:
729:
724:
720:
716:
712:
708:
705:
701:
697:
693:
692:
688:
683:
680:
679:
675:
670:
669:United States
666:
662:
658:
655:
651:
647:
644:
640:
636:
633:
632:
628:
623:
620:
619:
615:
610:
609:
604:
603:
598:
595:'s textbook
594:
593:Merle Randall
590:
587:
584:
580:
576:
573:
570:
566:
562:
558:
550:
547:
544:
540:
536:
533:
532:
528:
523:
520:
517:
513:
509:
505:
504:
500:
495:
491:
488:model at the
487:
484:projector, a
483:
479:
476:
475:
470:
466:
465:
461:
456:
453:
449:
445:
441:
440:
436:
434:
432:
428:
427:
413:
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406:
401:
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394:
393:
391:
390:
385:
384:
380:
378:
377:
373:
371:
370:
366:
364:
363:
359:
357:
354:
352:
349:
348:
347:
346:
343:Other/related
341:
336:
333:
332:
331:
330:
325:
320:
315:
312:
311:
310:
309:
306:
305:
300:
295:
292:
290:
287:
286:
285:
284:
279:
274:
271:
269:
266:
265:
264:
263:
258:
253:
250:
249:
248:
247:
242:
238:
233:
229:
228:
225:
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214:
213:
206:
203:
201:
198:
196:
193:
191:
188:
186:
183:
181:
178:
176:
173:
172:
170:
169:
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157:
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150:
147:
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140:
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121:
119:
116:
114:
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102:
99:
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94:
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83:
81:
78:
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73:
71:
68:
66:
63:
61:
58:
56:
53:
50:
49:
47:
46:
38:
34:
32:
29:
27:
26:
23:
22:
16:
1784:
1778:
1761:
1757:
1744:
1733:. Retrieved
1723:
1706:
1702:
1696:
1675:
1672:Singh, Simon
1666:
1657:
1624:
1618:
1612:
1595:
1589:
1583:
1559:(2777): 79.
1556:
1550:
1540:
1535:: pp. 1–186.
1532:
1529:
1525:
1514:. Retrieved
1505:
1495:
1484:. Retrieved
1480:the original
1467:
1463:
1453:
1375:October 3 –
1360:August 23 –
1301:), American
1232:Alan Shepard
1164:August 19 –
1157:), American
1085:Ivo Pitanguy
1072:), American
1066:Walter Pitts
1019:immunologist
948:nutritionist
946:), American
929:Chuck Yeager
920:), American
894:January 1 –
870:Copley Medal
863:John Macleod
832:Nobel Prizes
795:
778:Velociraptor
776:
770:
761:
730:Paleontology
715:Gaston Ramon
616:Cryptography
606:
600:
596:
568:
472:
423:
421:
381:
374:
367:
360:
304:Paleontology
303:
223:
210:
204:
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608:free energy
535:Dirk Coster
482:planetarium
457:, in Spain.
437:Aeronautics
252:Archaeology
180:Archaeology
1809:Categories
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1516:2010-09-13
1486:2009-02-26
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