History

Parametron: 50s Japanese computer that uses neither transistors nor vacuum tubes

Open thread

First rank

17

Best rank

5

Last rank

30

Observations

187

First seen

1786365084

Last seen

1786439960

Missing captures

15

Milestones

2

Top is rank 1. Gaps between captures are not reconstructed.

1. Rank 30

   222 points · 53 comments · observed 1786439960

2. Rank 30

   221 points · 53 comments · observed 1786437070

3. Rank 30

   221 points · 53 comments · observed 1786436713

4. Rank 30

   219 points · 53 comments · observed 1786434901

5. Rank 30

   219 points · 53 comments · observed 1786434540

6. Rank 30

   218 points · 53 comments · observed 1786434184

7. Rank 30

   218 points · 53 comments · observed 1786433824

8. Rank 30

   218 points · 53 comments · observed 1786433457

9. Rank 30

   218 points · 53 comments · observed 1786433093

10. Rank 30

    216 points · 53 comments · observed 1786432733

11. Rank 29

    214 points · 53 comments · observed 1786431274

12. Rank 28

    213 points · 53 comments · observed 1786430912

13. Rank 26

    213 points · 52 comments · observed 1786430547

14. Rank 30

    213 points · 52 comments · observed 1786430183

15. Rank 29

    213 points · 52 comments · observed 1786429819

16. Rank 28

    213 points · 52 comments · observed 1786429459

17. Rank 30

    212 points · 51 comments · observed 1786428736

18. Rank 30

    211 points · 51 comments · observed 1786428375

19. Rank 30

    210 points · 51 comments · observed 1786428021

20. Rank 28

    210 points · 51 comments · observed 1786427658

21. Rank 28

    210 points · 51 comments · observed 1786427299

22. Rank 28

    210 points · 51 comments · observed 1786426935

23. Rank 28

    210 points · 51 comments · observed 1786426582

24. Rank 27

    209 points · 51 comments · observed 1786426217

25. Rank 27

    209 points · 51 comments · observed 1786425862

26. Rank 27

    209 points · 51 comments · observed 1786425502

27. Rank 27

    208 points · 50 comments · observed 1786425139

28. Rank 27

    207 points · 50 comments · observed 1786424782

29. Rank 26

    205 points · 50 comments · observed 1786424418

30. Rank 25

    205 points · 50 comments · observed 1786424058

31. Rank 25

    205 points · 49 comments · observed 1786423699

32. Rank 24

    205 points · 49 comments · observed 1786423338

33. Rank 26

    205 points · 49 comments · observed 1786422977

34. Rank 25

    204 points · 49 comments · observed 1786422615

35. Rank 26

    204 points · 49 comments · observed 1786422259

36. Rank 25

    204 points · 49 comments · observed 1786421904

37. Rank 24

    203 points · 49 comments · observed 1786421545

38. Rank 24

    202 points · 49 comments · observed 1786421185

39. Rank 24

    201 points · 49 comments · observed 1786420821

40. Rank 24

    201 points · 49 comments · observed 1786420450

41. Rank 26

    201 points · 49 comments · observed 1786420088

42. Rank 26

    201 points · 49 comments · observed 1786419720

43. Rank 25

    201 points · 49 comments · observed 1786419358

44. Rank 26

    201 points · 49 comments · observed 1786418999

45. Rank 25

    200 points · 49 comments · observed 1786418642

46. Rank 25

    198 points · 49 comments · observed 1786418277

47. Rank 25

    198 points · 49 comments · observed 1786417915

48. Rank 27

    197 points · 49 comments · observed 1786417557

49. Rank 27

    197 points · 49 comments · observed 1786417190

50. Rank 25

    197 points · 49 comments · observed 1786416827

51. Rank 23

    197 points · 49 comments · observed 1786416462

52. Rank 23

    196 points · 49 comments · observed 1786416101

53. Rank 23

    195 points · 49 comments · observed 1786415738

54. Rank 21

    193 points · 49 comments · observed 1786415374

55. Rank 21

    191 points · 49 comments · observed 1786415016

56. Rank 22

    190 points · 49 comments · observed 1786414652

57. Rank 21

    190 points · 48 comments · observed 1786414293

58. Rank 22

    190 points · 47 comments · observed 1786413928

59. Rank 22

    190 points · 47 comments · observed 1786413559

60. Rank 22

    188 points · 47 comments · observed 1786413194

61. Rank 22

    188 points · 47 comments · observed 1786412835

62. Rank 23

    188 points · 47 comments · observed 1786412468

63. Rank 23

    186 points · 47 comments · observed 1786412100

64. Rank 23

    183 points · 47 comments · observed 1786411730

65. Rank 24

    183 points · 47 comments · observed 1786411364

66. Rank 25

    183 points · 47 comments · observed 1786410989

67. Rank 24

    183 points · 46 comments · observed 1786410620

68. Rank 22

    183 points · 46 comments · observed 1786410247

69. Rank 22

    183 points · 46 comments · observed 1786409873

70. Rank 21

    183 points · 46 comments · observed 1786409509

71. Rank 21

    182 points · 45 comments · observed 1786409142

72. Rank 23

    181 points · 45 comments · observed 1786408775

73. Rank 23

    181 points · 45 comments · observed 1786408407

74. Rank 21

    180 points · 45 comments · observed 1786408045

75. Rank 22

    177 points · 45 comments · observed 1786407683

76. Rank 21

    177 points · 45 comments · observed 1786407321

77. Rank 20

    177 points · 45 comments · observed 1786406958

78. Rank 21

    176 points · 45 comments · observed 1786406587

79. Rank 19

    175 points · 46 comments · observed 1786406207

80. Rank 20

    175 points · 45 comments · observed 1786405843

81. Rank 18

    175 points · 45 comments · observed 1786405476

82. Rank 18

    174 points · 45 comments · observed 1786405109

83. Rank 17

    172 points · 45 comments · observed 1786404736

84. Rank 18

    172 points · 45 comments · observed 1786404375

85. Rank 18

    172 points · 45 comments · observed 1786404005

86. Rank 17

    171 points · 45 comments · observed 1786403637

87. Rank 18

    170 points · 45 comments · observed 1786403267

88. Rank 18

    168 points · 45 comments · observed 1786402890

89. Rank 18

    167 points · 45 comments · observed 1786402515

90. Rank 17

    166 points · 45 comments · observed 1786402142

91. Rank 17

    163 points · 45 comments · observed 1786401760

92. Rank 17

    163 points · 45 comments · observed 1786401383

93. Rank 18

    162 points · 45 comments · observed 1786400998

94. Rank 19

    162 points · 45 comments · observed 1786400614

95. Rank 19

    162 points · 45 comments · observed 1786400230

96. Rank 18

    160 points · 43 comments · observed 1786399850

97. Rank 18

    160 points · 43 comments · observed 1786399468

98. Rank 19

    158 points · 43 comments · observed 1786399084

99. Rank 19

    158 points · 43 comments · observed 1786398708

100. Rank 21

     155 points · 42 comments · observed 1786398328

101. Rank 19

     152 points · 42 comments · observed 1786397948

102. Rank 19

     151 points · 42 comments · observed 1786397567

103. Rank 18

     149 points · 42 comments · observed 1786397185

104. Rank 19

     147 points · 42 comments · observed 1786396812

105. Rank 18

     147 points · 42 comments · observed 1786396427

106. Rank 19

     146 points · 42 comments · observed 1786396042

107. Rank 21

     144 points · 42 comments · observed 1786395644

108. Rank 21

     143 points · 42 comments · observed 1786395257

109. Rank 21

     143 points · 42 comments · observed 1786394880

110. Rank 18

     143 points · 42 comments · observed 1786394501

111. Rank 18

     142 points · 42 comments · observed 1786394116

112. Rank 18

     139 points · 41 comments · observed 1786393737

113. Rank 20

     138 points · 41 comments · observed 1786393357

114. Rank 22

     136 points · 41 comments · observed 1786392984

115. Rank 22

     134 points · 40 comments · observed 1786392606

116. Rank 20

     134 points · 40 comments · observed 1786392233

117. Rank 22

     134 points · 40 comments · observed 1786391848

118. Rank 21

     134 points · 40 comments · observed 1786391462

119. Rank 21

     134 points · 40 comments · observed 1786391075

120. Rank 21

     134 points · 40 comments · observed 1786390695

121. Rank 21

     134 points · 40 comments · observed 1786390313

122. Rank 22

     134 points · 39 comments · observed 1786389932

123. Rank 26

     131 points · 39 comments · observed 1786389552

124. Rank 24

     130 points · 39 comments · observed 1786389170

125. Rank 26

     129 points · 39 comments · observed 1786388787

126. Rank 24

     127 points · 39 comments · observed 1786388382

127. Rank 25

     127 points · 38 comments · observed 1786387999

128. Rank 26

     126 points · 37 comments · observed 1786387619

129. Rank 23

     126 points · 37 comments · observed 1786387245

130. Rank 22

     124 points · 37 comments · observed 1786386866

131. Rank 22

     122 points · 37 comments · observed 1786386487

132. Rank 22

     122 points · 37 comments · observed 1786386108

133. Rank 23

     122 points · 36 comments · observed 1786385722

134. Rank 23

     122 points · 36 comments · observed 1786385339

135. Rank 23

     122 points · 36 comments · observed 1786384958

136. Rank 22

     122 points · 36 comments · observed 1786384576

137. Rank 22

     121 points · 35 comments · observed 1786384196

138. Rank 21

     120 points · 35 comments · observed 1786383816

139. Rank 21

     120 points · 35 comments · observed 1786383428

140. Rank 20

     120 points · 35 comments · observed 1786383050

141. Rank 20

     119 points · 34 comments · observed 1786382673

142. Rank 20

     118 points · 34 comments · observed 1786382284

143. Rank 17

     117 points · 34 comments · observed 1786381895

144. Rank 18

     116 points · 34 comments · observed 1786381501

145. Rank 18

     115 points · 33 comments · observed 1786381110

146. Rank 17

     113 points · 32 comments · observed 1786380718

147. Rank 15

     113 points · 31 comments · observed 1786380335

148. Rank 13

     113 points · 31 comments · observed 1786379948

149. Rank 12

     113 points · 30 comments · observed 1786379552

150. Rank 13

     112 points · 30 comments · observed 1786379162

151. Rank 13

     111 points · 30 comments · observed 1786378763

152. Rank 11

     110 points · 29 comments · observed 1786378374

153. Rank 8

     108 points · 28 comments · observed 1786377984

154. Rank 7

     102 points · 28 comments · observed 1786377577

155. Rank 8

     97 points · 28 comments · observed 1786377186

156. Rank 7

     96 points · 27 comments · observed 1786376799

157. Rank 6

     92 points · 26 comments · observed 1786376407

158. Rank 6

     88 points · 26 comments · observed 1786376023

159. Rank 6

     85 points · 25 comments · observed 1786375643

160. Rank 6

     83 points · 25 comments · observed 1786375252

161. Rank 6

     81 points · 25 comments · observed 1786374877

162. Rank 6

     77 points · 24 comments · observed 1786374496

163. Rank 7

     71 points · 24 comments · observed 1786374115

164. Rank 7

     69 points · 23 comments · observed 1786373727

165. Rank 6

     68 points · 22 comments · observed 1786373349

166. Rank 5

     65 points · 21 comments · observed 1786372967

167. Rank 5

     62 points · 19 comments · observed 1786372586

168. Rank 6

     58 points · 17 comments · observed 1786372208

169. Rank 6

     55 points · 16 comments · observed 1786371826

170. Rank 6

     52 points · 15 comments · observed 1786371444

171. Rank 6

     49 points · 15 comments · observed 1786371065

172. Rank 7

     48 points · 15 comments · observed 1786370682

173. Rank 7

     44 points · 13 comments · observed 1786370284

174. Rank 7

     41 points · 11 comments · observed 1786369906

175. Rank 7

     38 points · 7 comments · observed 1786369531

176. Rank 7

     38 points · 7 comments · observed 1786369153

177. Rank 6

     35 points · 6 comments · observed 1786368780

178. Rank 6

     32 points · 5 comments · observed 1786368400

179. Rank 7

     30 points · 5 comments · observed 1786368023

180. Rank 7

     27 points · 3 comments · observed 1786367654

181. Rank 7

     24 points · 1 comments · observed 1786367280

182. Rank 7

     20 points · 1 comments · observed 1786366916

183. Rank 7

     15 points · 1 comments · observed 1786366544

184. Rank 7

     9 points · 1 comments · observed 1786366177

185. Rank 10

     7 points · 0 comments · observed 1786365813

186. Rank 11

     6 points · 0 comments · observed 1786365447

187. Rank 17

     4 points · 0 comments · observed 1786365084

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