16 August 2009
- 13:1913:19, 16 August 2009 diff hist +5 Building Blocks of Nanotechology No edit summary
- 13:1613:16, 16 August 2009 diff hist +210 Building Blocks of Nanotechology No edit summary
- 13:1313:13, 16 August 2009 diff hist +6 Building Blocks of Nanotechology No edit summary
- 13:0913:09, 16 August 2009 diff hist +183 N File:Rsmalley.jpg Richard E. Smalley, winner of the 1996 Nobel Prize in Chemistry for the discovery of a structure of carbon atoms known as a "buckyball." (Image Source: Brookhaven National Laboratory) current
- 12:2312:23, 16 August 2009 diff hist +89 Communications Satellites No edit summary
- 12:1012:10, 16 August 2009 diff hist +64 N File:Tiros.jpg Tiros 1 was the first successful weather satellite. (NASA photo) current
11 July 2009
- 22:4422:44, 11 July 2009 diff hist +102 Peter Glaser No edit summary
- 22:4322:43, 11 July 2009 diff hist +65 N File:Apollo11lrra.gif Apollo 11 Laser Ranging Retro-reflector Array. Image Credit: NASA current
- 22:3922:39, 11 July 2009 diff hist +43 First Broadcast from Another World No edit summary
- 22:3822:38, 11 July 2009 diff hist +57 First Broadcast from Another World No edit summary
- 21:3521:35, 11 July 2009 diff hist +58 N File:Apollo11boot.jpg Aldrin's boot and footprint in lunar soil. Courtesy: NASA current
30 June 2009
- 17:1417:14, 30 June 2009 diff hist +26 Binary Numbers and Binary Math No edit summary
- 17:1317:13, 30 June 2009 diff hist 0 N File:Binary.jpg No edit summary current
- 17:0517:05, 30 June 2009 diff hist +54 Cryptography No edit summary
- 17:0417:04, 30 June 2009 diff hist 0 N File:Enigmamachine.jpg No edit summary current
- 15:5115:51, 30 June 2009 diff hist +57 Magnetophon No edit summary
- 15:4915:49, 30 June 2009 diff hist 0 N File:Magnetaphon.jpg No edit summary current
- 15:3715:37, 30 June 2009 diff hist +81 Pong No edit summary
- 15:3615:36, 30 June 2009 diff hist 0 N File:Pongscreen.jpg No edit summary current
- 15:3615:36, 30 June 2009 diff hist 0 N File:Vintpong.jpg No edit summary current
- 15:2715:27, 30 June 2009 diff hist +57 Morse Code No edit summary
- 15:2215:22, 30 June 2009 diff hist 0 N File:Telegraphkey1.jpg No edit summary current
4 May 2009
- 15:2015:20, 4 May 2009 diff hist −3 Communications Satellites No edit summary
- 15:1515:15, 4 May 2009 diff hist +1 Global Positioning System No edit summary
- 15:1515:15, 4 May 2009 diff hist +35 Global Positioning System No edit summary
- 15:1315:13, 4 May 2009 diff hist 0 N File:Gpshand.jpg No edit summary current
13 April 2009
- 16:2916:29, 13 April 2009 diff hist +41 Yamaha DX-7 No edit summary
- 16:2816:28, 13 April 2009 diff hist +11 N File:Dx7.jpg Yamaha DX-7 current
- 16:0016:00, 13 April 2009 diff hist 0 The Technology of Movies No edit summary
- 15:5915:59, 13 April 2009 diff hist +60 The Technology of Movies No edit summary
- 15:3715:37, 13 April 2009 diff hist +25 N File:Gttheater.jpg Grauman's Chinese Theatre current
6 April 2009
- 15:5515:55, 6 April 2009 diff hist 0 N File:Transit1b.jpg No edit summary current
20 February 2009
- 14:5514:55, 20 February 2009 diff hist +3 Compact Discs (CDs) No edit summary
- 14:5414:54, 20 February 2009 diff hist +1 Compact Discs (CDs) No edit summary
20 January 2009
- 21:3421:34, 20 January 2009 diff hist 0 Edison and Motion Pictures No edit summary
- 21:3421:34, 20 January 2009 diff hist +17 Edison and Motion Pictures No edit summary
- 21:3221:32, 20 January 2009 diff hist +37 Edison and Motion Pictures No edit summary
- 21:3121:31, 20 January 2009 diff hist 0 N File:Kinetoscope.jpg No edit summary current
- 21:2621:26, 20 January 2009 diff hist −52 Edison and Motion Pictures No edit summary
- 21:2621:26, 20 January 2009 diff hist +63 Edison and Motion Pictures No edit summary
- 20:5820:58, 20 January 2009 diff hist +80 N File:Audionarticle.jpg Article in the December 1920 issue of Radio News about the Lee De Forest Audion. current
- 20:5620:56, 20 January 2009 diff hist +39 N File:Audion.jpg De Forest Audion amplifier tube tin can current
19 January 2009
- 14:0314:03, 19 January 2009 diff hist +37 Magnetic Tape No edit summary
- 14:0214:02, 19 January 2009 diff hist 0 N File:Audiotape.jpg No edit summary current
12 January 2009
- 17:5517:55, 12 January 2009 diff hist +75 Anne Morrow Lindbergh No edit summary
- 17:5217:52, 12 January 2009 diff hist +269 William Pickering No edit summary
- 17:4917:49, 12 January 2009 diff hist −105 Cavity Magnetron No edit summary
- 17:4917:49, 12 January 2009 diff hist +90 Cavity Magnetron No edit summary
- 17:4817:48, 12 January 2009 diff hist +39 Columbia Record Company No edit summary
- 17:4717:47, 12 January 2009 diff hist 0 N File:Columbiarecords.jpg No edit summary current
