xkcd presents "What If?"

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xkcd presents "What If?"

robkelk Offline

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Posts: 26,382
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Joined: Feb 2005
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#244

04-23-2014, 02:03 PM

"Wait. Are you the cop with the radar gun from earlier? Maybe I'll just pay the ticket."

"That's a pretty simple way to expel material at 6 km/s. I wonder if anyone's ever tried to come up with a spacecraft propulsion system using it ..."
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."

- Michael Ignatieff, addressing Stanford University in 2012

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xkcd presents "What If?" - by robkelk - 07-18-2012, 03:01 PM

[No subject] - by Dartz - 07-18-2012, 04:38 PM

[No subject] - by robkelk - 07-24-2012, 02:47 PM

[No subject] - by Logan Darklighter - 07-24-2012, 06:21 PM

[No subject] - by sweno - 07-24-2012, 09:59 PM

[No subject] - by robkelk - 08-02-2012, 02:32 PM

[No subject] - by robkelk - 08-08-2012, 02:15 PM

[No subject] - by robkelk - 08-15-2012, 07:16 PM

[No subject] - by Black Aeronaut - 08-17-2012, 08:15 AM

[No subject] - by Logan Darklighter - 08-17-2012, 02:55 PM

[No subject] - by Bluemage - 08-17-2012, 03:40 PM

[No subject] - by Jorlem - 08-17-2012, 07:39 PM

[No subject] - by Jorlem - 08-21-2012, 08:37 AM

[No subject] - by robkelk - 08-21-2012, 03:08 PM

[No subject] - by robkelk - 09-07-2012, 02:03 PM

[No subject] - by s3yang - 09-07-2012, 03:06 PM

[No subject] - by robkelk - 09-14-2012, 03:41 PM

[No subject] - by sweno - 09-14-2012, 11:38 PM

[No subject] - by Ankhani - 09-18-2012, 08:00 PM

[No subject] - by Star Ranger4 - 09-18-2012, 08:36 PM

[No subject] - by robkelk - 09-19-2012, 01:29 AM

[No subject] - by DHBirr - 09-19-2012, 02:44 AM

[No subject] - by werehawk - 09-20-2012, 02:21 AM

[No subject] - by Ebony - 09-20-2012, 04:12 PM

[No subject] - by DHBirr - 09-20-2012, 10:46 PM

[No subject] - by werehawk - 09-21-2012, 04:10 AM

[No subject] - by Jorlem - 09-26-2012, 04:27 AM

[No subject] - by s3yang - 09-26-2012, 02:17 PM

[No subject] - by robkelk - 09-26-2012, 04:44 PM

[No subject] - by Firvulag - 10-03-2012, 02:13 AM

[No subject] - by robkelk - 10-03-2012, 01:07 PM

[No subject] - by Jorlem - 10-09-2012, 11:13 AM

[No subject] - by robkelk - 10-09-2012, 01:50 PM

[No subject] - by Morganite - 10-09-2012, 05:26 PM

[No subject] - by DHBirr - 10-10-2012, 11:21 AM

[No subject] - by Jorlem - 10-17-2012, 01:03 AM

[No subject] - by robkelk - 10-17-2012, 01:07 AM

[No subject] - by Black Aeronaut - 10-19-2012, 09:31 PM

[No subject] - by robkelk - 10-25-2012, 12:56 AM

[No subject] - by s3yang - 10-25-2012, 06:34 PM

[No subject] - by Jorlem - 10-31-2012, 10:19 AM

[No subject] - by robkelk - 10-31-2012, 01:54 PM

[No subject] - by Dartz - 10-31-2012, 02:21 PM

[No subject] - by Bob Schroeck - 10-31-2012, 07:06 PM

[No subject] - by Shepherd - 11-07-2012, 02:01 AM

[No subject] - by robkelk - 11-07-2012, 02:14 AM

[No subject] - by Ankhani - 11-07-2012, 02:38 AM

[No subject] - by robkelk - 11-07-2012, 05:07 AM

[No subject] - by robkelk - 11-13-2012, 05:21 PM

[No subject] - by Dartz - 11-13-2012, 06:26 PM

[No subject] - by Bob Schroeck - 11-13-2012, 09:11 PM

[No subject] - by robkelk - 11-20-2012, 05:15 PM

[No subject] - by paladindythe - 11-21-2012, 05:44 AM

[No subject] - by robkelk - 11-27-2012, 05:58 PM

[No subject] - by robkelk - 12-04-2012, 04:19 PM

[No subject] - by robkelk - 12-11-2012, 06:19 PM

[No subject] - by Bob Schroeck - 12-11-2012, 09:18 PM

[No subject] - by robkelk - 12-18-2012, 03:41 PM

[No subject] - by robkelk - 01-01-2013, 06:27 PM

[No subject] - by Dartz - 01-01-2013, 06:50 PM

[No subject] - by robkelk - 01-09-2013, 04:08 AM

[No subject] - by Bob Schroeck - 01-09-2013, 04:48 PM

[No subject] - by robkelk - 01-16-2013, 04:14 PM

[No subject] - by Bob Schroeck - 01-16-2013, 04:52 PM

[No subject] - by Dragonflight - 01-16-2013, 09:39 PM

[No subject] - by Norgarth - 01-17-2013, 06:15 AM

[No subject] - by robkelk - 01-17-2013, 04:50 PM

Silly? Oh hell no. - by Rev Dark - 01-17-2013, 08:45 PM

[No subject] - by Ankhani - 01-22-2013, 11:12 PM

[No subject] - by Hazard - 01-23-2013, 03:55 AM

[No subject] - by s3yang - 01-24-2013, 07:37 PM

[No subject] - by Hazard - 01-30-2013, 01:53 AM

[No subject] - by robkelk - 01-30-2013, 03:07 AM

[No subject] - by Morganite - 01-30-2013, 08:27 AM

[No subject] - by Norgarth - 01-30-2013, 08:50 AM

[No subject] - by robkelk - 02-05-2013, 06:00 PM

[No subject] - by robkelk - 02-12-2013, 04:51 PM

[No subject] - by SkyeFire - 02-18-2013, 10:50 PM

[No subject] - by Dartz - 02-19-2013, 06:38 PM

[No subject] - by robkelk - 02-26-2013, 04:57 PM

[No subject] - by robkelk - 03-05-2013, 04:58 PM

[No subject] - by Seraviel - 03-05-2013, 05:19 PM

[No subject] - by Dragonflight - 03-05-2013, 11:26 PM

[No subject] - by Ebony - 03-06-2013, 12:19 AM

[No subject] - by sweno - 03-06-2013, 12:29 AM

[No subject] - by Stephen Mann - 03-10-2013, 01:14 AM

[No subject] - by Shepherd - 03-13-2013, 12:10 AM

[No subject] - by robkelk - 03-13-2013, 12:20 AM

[No subject] - by robkelk - 03-19-2013, 03:58 PM

[No subject] - by Bob Schroeck - 03-19-2013, 06:22 PM

[No subject] - by robkelk - 03-26-2013, 03:59 PM

[No subject] - by Firvulag - 04-03-2013, 03:53 AM

[No subject] - by robkelk - 04-03-2013, 02:17 PM

[No subject] - by Firvulag - 04-03-2013, 03:07 PM

[No subject] - by robkelk - 04-09-2013, 03:00 PM

[No subject] - by Hazard - 04-09-2013, 03:15 PM

[No subject] - by Ankhani - 04-09-2013, 05:25 PM

[No subject] - by Ebony - 04-09-2013, 09:26 PM

[No subject] - by Proginoskes - 04-12-2013, 05:48 AM

[No subject] - by robkelk - 04-16-2013, 03:10 PM

[No subject] - by robkelk - 04-23-2013, 03:54 PM

[No subject] - by Ankhani - 04-30-2013, 03:57 PM

[No subject] - by Jorlem - 04-30-2013, 05:31 PM

[No subject] - by Bob Schroeck - 04-30-2013, 06:54 PM

[No subject] - by paladindythe - 05-07-2013, 08:51 PM

[No subject] - by Hazard - 05-07-2013, 10:56 PM

[No subject] - by robkelk - 05-07-2013, 11:17 PM

[No subject] - by Bob Schroeck - 05-08-2013, 02:56 PM

[No subject] - by robkelk - 05-14-2013, 02:11 PM

[No subject] - by Bob Schroeck - 05-14-2013, 02:18 PM

[No subject] - by robkelk - 05-22-2013, 01:14 PM

[No subject] - by Hazard - 05-22-2013, 02:08 PM

[No subject] - by robkelk - 05-28-2013, 03:05 PM

[No subject] - by Logan Darklighter - 05-28-2013, 05:42 PM

[No subject] - by Bob Schroeck - 05-28-2013, 07:04 PM

[No subject] - by robkelk - 06-04-2013, 01:39 PM

[No subject] - by Hazard - 06-04-2013, 02:24 PM

[No subject] - by Dartz - 06-04-2013, 05:49 PM

[No subject] - by Jorlem - 06-04-2013, 06:20 PM

[No subject] - by SkyeFire - 06-06-2013, 01:57 AM

[No subject] - by Ankhani - 06-11-2013, 02:59 PM

[No subject] - by robkelk - 06-11-2013, 03:44 PM

[No subject] - by robkelk - 06-18-2013, 01:45 PM

[No subject] - by Bob Schroeck - 06-18-2013, 02:31 PM

[No subject] - by robkelk - 06-25-2013, 01:16 PM

[No subject] - by Bob Schroeck - 06-25-2013, 02:31 PM

[No subject] - by robkelk - 07-02-2013, 02:42 PM

[No subject] - by DHBirr - 07-02-2013, 03:01 PM

[No subject] - by Bob Schroeck - 07-02-2013, 06:34 PM

[No subject] - by robkelk - 07-02-2013, 07:43 PM

[No subject] - by Bob Schroeck - 07-02-2013, 10:18 PM

[No subject] - by DHBirr - 07-03-2013, 12:24 AM

[No subject] - by robkelk - 07-03-2013, 12:46 AM

[No subject] - by Shepherd - 07-09-2013, 09:26 PM

[No subject] - by robkelk - 07-10-2013, 01:56 AM

[No subject] - by Hazard - 07-10-2013, 03:54 AM

[No subject] - by DHBirr - 07-10-2013, 04:22 AM

[No subject] - by Bob Schroeck - 07-10-2013, 02:38 PM

[No subject] - by robkelk - 07-10-2013, 02:56 PM

[No subject] - by Norgarth - 07-11-2013, 01:25 AM

[No subject] - by robkelk - 07-14-2013, 02:59 AM

[No subject] - by Ankhani - 07-16-2013, 10:40 PM

[No subject] - by DHBirr - 07-16-2013, 11:03 PM

[No subject] - by robkelk - 07-18-2013, 01:35 AM

[No subject] - by Hazard - 07-18-2013, 03:27 AM

[No subject] - by Logan Darklighter - 07-18-2013, 04:02 PM

[No subject] - by robkelk - 07-30-2013, 12:56 PM

[No subject] - by Bob Schroeck - 07-30-2013, 02:31 PM

[No subject] - by robkelk - 08-06-2013, 01:39 PM

[No subject] - by robkelk - 08-13-2013, 02:40 PM

[No subject] - by Bob Schroeck - 08-13-2013, 02:47 PM

[No subject] - by robkelk - 08-13-2013, 03:03 PM

[No subject] - by robkelk - 08-20-2013, 03:23 PM

[No subject] - by Ankhani - 08-20-2013, 04:40 PM

[No subject] - by Hazard - 08-20-2013, 10:50 PM

[No subject] - by robkelk - 08-27-2013, 03:15 PM

[No subject] - by Dragonflight - 09-03-2013, 08:30 AM

[No subject] - by Logan Darklighter - 09-03-2013, 10:13 AM

[No subject] - by robkelk - 09-03-2013, 01:18 PM

[No subject] - by Bob Schroeck - 09-03-2013, 02:48 PM

[No subject] - by Norgarth - 09-04-2013, 01:25 AM

[No subject] - by robkelk - 09-10-2013, 02:16 PM

[No subject] - by robkelk - 09-17-2013, 02:55 PM

[No subject] - by Dartz - 09-17-2013, 03:22 PM

[No subject] - by DHBirr - 09-17-2013, 04:22 PM

[No subject] - by Bob Schroeck - 09-17-2013, 07:30 PM

[No subject] - by robkelk - 09-24-2013, 02:33 PM

[No subject] - by DHBirr - 09-24-2013, 04:04 PM

[No subject] - by Dragonflight - 09-24-2013, 04:13 PM

[No subject] - by Ankhani - 10-02-2013, 03:07 AM

[No subject] - by robkelk - 10-02-2013, 03:27 PM

[No subject] - by Bob Schroeck - 10-03-2013, 03:00 PM

[No subject] - by robkelk - 10-08-2013, 04:11 PM

[No subject] - by DHBirr - 10-08-2013, 04:35 PM

[No subject] - by robkelk - 10-22-2013, 02:48 PM

[No subject] - by Cobalt Greywalker - 10-22-2013, 10:32 PM

[No subject] - by Norgarth - 10-30-2013, 11:56 PM

[No subject] - by robkelk - 10-31-2013, 12:41 AM

[No subject] - by robkelk - 11-05-2013, 02:54 PM

[No subject] - by Bob Schroeck - 11-05-2013, 04:28 PM

[No subject] - by DHBirr - 11-05-2013, 05:05 PM

[No subject] - by robkelk - 11-12-2013, 04:48 PM

[No subject] - by Hazard - 11-13-2013, 07:37 AM

[No subject] - by robkelk - 11-20-2013, 02:12 AM

[No subject] - by nocarename - 11-20-2013, 03:55 AM

[No subject] - by robkelk - 11-20-2013, 05:34 AM

[No subject] - by robkelk - 11-27-2013, 05:44 AM

[No subject] - by Hazard - 11-28-2013, 12:16 AM

[No subject] - by robkelk - 12-10-2013, 02:55 PM

[No subject] - by Bob Schroeck - 12-10-2013, 04:36 PM

[No subject] - by robkelk - 12-10-2013, 09:21 PM

[No subject] - by Bob Schroeck - 12-11-2013, 04:33 AM

[No subject] - by robkelk - 12-18-2013, 03:48 AM

[No subject] - by Bob Schroeck - 12-18-2013, 04:43 PM

[No subject] - by robkelk - 12-31-2013, 08:10 PM

[No subject] - by Honorbridge - 01-01-2014, 10:26 PM

[No subject] - by robkelk - 01-08-2014, 04:08 PM

[No subject] - by robkelk - 01-15-2014, 04:13 PM

[No subject] - by Hazard - 01-15-2014, 04:35 PM

[No subject] - by Bob Schroeck - 01-15-2014, 04:57 PM

[No subject] - by robkelk - 01-16-2014, 02:11 AM

[No subject] - by Shepherd - 01-22-2014, 09:22 PM

[No subject] - by robkelk - 01-22-2014, 10:12 PM

[No subject] - by Hazard - 01-22-2014, 11:00 PM

[No subject] - by Bob Schroeck - 01-23-2014, 12:37 AM

[No subject] - by robkelk - 01-23-2014, 01:09 AM

[No subject] - by Thesilentjackofalltrade - 01-23-2014, 03:42 AM

[No subject] - by Shepherd - 01-28-2014, 10:31 PM

[No subject] - by robkelk - 01-29-2014, 02:33 AM

[No subject] - by Hazard - 01-29-2014, 04:16 AM

[No subject] - by Bob Schroeck - 01-29-2014, 05:10 PM

[No subject] - by Ankhani - 02-06-2014, 05:06 PM

[No subject] - by Bob Schroeck - 02-06-2014, 05:17 PM

[No subject] - by robkelk - 02-07-2014, 02:36 AM

[No subject] - by DHBirr - 02-07-2014, 06:09 AM

[No subject] - by robkelk - 02-12-2014, 04:41 PM

[No subject] - by Hazard - 02-12-2014, 08:22 PM

[No subject] - by Black Aeronaut - 02-13-2014, 09:06 AM

[No subject] - by Ebony - 02-13-2014, 05:47 PM

[No subject] - by Ankhani - 02-18-2014, 11:14 PM

[No subject] - by Bob Schroeck - 02-19-2014, 12:42 AM

[No subject] - by Tennie - 02-19-2014, 12:54 AM

[No subject] - by robkelk - 02-19-2014, 02:55 AM

[No subject] - by Ankhani - 02-28-2014, 06:01 AM

[No subject] - by Hazard - 02-28-2014, 04:49 PM

[No subject] - by robkelk - 02-28-2014, 04:51 PM

[No subject] - by robkelk - 03-05-2014, 03:15 AM

[No subject] - by Bob Schroeck - 03-05-2014, 04:47 PM

[No subject] - by robkelk - 03-11-2014, 03:03 PM

[No subject] - by Bob Schroeck - 03-11-2014, 06:22 PM

[No subject] - by Firvulag - 03-13-2014, 01:54 AM

[No subject] - by robkelk - 03-13-2014, 02:00 AM

[No subject] - by Ankhani - 03-19-2014, 02:33 AM

[No subject] - by Ankhani - 03-25-2014, 10:16 PM

[No subject] - by Bob Schroeck - 03-25-2014, 10:50 PM

[No subject] - by robkelk - 03-26-2014, 12:42 AM

[No subject] - by robkelk - 04-08-2014, 03:04 PM

[No subject] - by robkelk - 04-15-2014, 01:26 PM

[No subject] - by Firvulag - 04-16-2014, 09:26 AM

[No subject] - by Bob Schroeck - 04-16-2014, 02:35 PM

[No subject] - by robkelk - 04-16-2014, 03:42 PM

[No subject] - by Bob Schroeck - 04-16-2014, 03:53 PM

[No subject] - by robkelk - 04-16-2014, 04:01 PM

[No subject] - by robkelk - 04-23-2014, 02:03 PM

[No subject] - by Ankhani - 04-30-2014, 05:44 PM

[No subject] - by Bob Schroeck - 04-30-2014, 06:37 PM

[No subject] - by robkelk - 04-30-2014, 10:55 PM

[No subject] - by Labster - 05-07-2014, 06:04 AM

[No subject] - by robkelk - 05-07-2014, 01:12 PM

[No subject] - by Bob Schroeck - 05-07-2014, 02:23 PM

[No subject] - by Ebony - 05-07-2014, 02:43 PM

[No subject] - by robkelk - 05-15-2014, 01:06 PM

[No subject] - by Ebony - 05-15-2014, 03:16 PM

[No subject] - by Bob Schroeck - 05-15-2014, 06:17 PM

[No subject] - by Ankhani - 05-15-2014, 07:18 PM

[No subject] - by Ebony - 05-16-2014, 03:00 PM

[No subject] - by Shepherd - 05-22-2014, 12:12 AM

[No subject] - by Bob Schroeck - 05-22-2014, 12:40 AM

[No subject] - by robkelk - 05-22-2014, 01:14 AM

[No subject] - by Ankhani - 05-22-2014, 02:08 AM

[No subject] - by DHBirr - 05-22-2014, 05:06 AM

[No subject] - by robkelk - 05-28-2014, 01:34 PM

[No subject] - by Hazard - 05-28-2014, 04:39 PM

[No subject] - by Ankhani - 05-29-2014, 01:15 AM

[No subject] - by robkelk - 06-04-2014, 01:06 PM

[No subject] - by Shepherd - 06-04-2014, 09:35 PM

[No subject] - by Ankhani - 06-12-2014, 01:23 AM

[No subject] - by robkelk - 06-12-2014, 01:54 PM

[No subject] - by Bob Schroeck - 06-12-2014, 02:43 PM

[No subject] - by Shepherd - 06-18-2014, 10:04 PM

[No subject] - by Bob Schroeck - 06-18-2014, 10:40 PM

[No subject] - by robkelk - 06-19-2014, 12:45 AM

[No subject] - by robkelk - 06-26-2014, 12:04 PM

[No subject] - by DHBirr - 06-27-2014, 01:19 AM

[No subject] - by Shepherd - 07-02-2014, 09:20 PM

[No subject] - by robkelk - 07-02-2014, 09:31 PM

[No subject] - by Bob Schroeck - 07-02-2014, 10:41 PM

[No subject] - by robkelk - 07-10-2014, 12:42 AM

[No subject] - by robkelk - 07-17-2014, 01:16 PM

[No subject] - by Hazard - 07-17-2014, 01:24 PM

[No subject] - by Shepherd - 07-24-2014, 06:30 PM

[No subject] - by Ankhani - 07-24-2014, 06:55 PM

[No subject] - by robkelk - 07-25-2014, 12:49 AM

[No subject] - by robkelk - 07-31-2014, 12:54 PM

[No subject] - by Ankhani - 08-14-2014, 05:31 AM

[No subject] - by DHBirr - 08-14-2014, 05:40 AM

[No subject] - by robkelk - 08-14-2014, 02:45 PM

[No subject] - by robkelk - 08-21-2014, 02:02 PM

[No subject] - by Bob Schroeck - 08-21-2014, 02:50 PM

[No subject] - by Black Aeronaut - 08-21-2014, 10:41 PM

[No subject] - by Bob Schroeck - 08-21-2014, 10:50 PM

[No subject] - by Logan Darklighter - 08-21-2014, 11:30 PM

[No subject] - by robkelk - 08-28-2014, 01:03 PM

[No subject] - by robkelk - 08-31-2014, 01:44 PM

[No subject] - by robkelk - 09-02-2014, 02:26 PM

[No subject] - by Bob Schroeck - 09-02-2014, 02:44 PM

[No subject] - by Shepherd - 09-18-2014, 10:04 PM

[No subject] - by Black Aeronaut - 09-18-2014, 10:20 PM

[No subject] - by DHBirr - 09-19-2014, 02:21 AM

[No subject] - by robkelk - 09-19-2014, 03:51 PM

[No subject] - by Bob Schroeck - 09-20-2014, 07:12 AM

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