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Fictional Science
Post your reality fanfiction here.
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Last post Re: Most creative way to mani…
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Forum Migration

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TeX the World

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xkcd Forum Rules - Updated 6th of Feb, 2017

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by hermaj » Fri Nov 07, 2008 4:46 am UTC » in School

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Science Rules - Updated 2009/10/21

Last post by Cheezwhiz Jenkins « Fri Jun 03, 2011 5:57 pm UTC
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by gmalivuk » Tue May 01, 2007 8:43 pm UTC

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Does potential energy have mass?

Last post by doogly « Wed May 04, 2016 11:23 pm UTC
Replies: 78
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by tomandlu » Sat Feb 05, 2011 8:07 am UTC
78 Replies

13580 Views

Last post by doogly View the latest post
Wed May 04, 2016 11:23 pm UTC
How large a disc would it take to block a star from view for all of earth?

Last post by Whizbang « Mon May 02, 2016 7:36 pm UTC
Replies: 26
Attachment(s) by gmoff01 » Thu Apr 07, 2016 12:49 am UTC

26 Replies

4650 Views

Last post by Whizbang View the latest post
Mon May 02, 2016 7:36 pm UTC
square base cups

Last post by Copper Bezel « Tue Apr 19, 2016 9:14 pm UTC
Replies: 24
by spacefem » Sat Mar 12, 2016 8:37 pm UTC

24 Replies

4951 Views

Last post by Copper Bezel View the latest post
Tue Apr 19, 2016 9:14 pm UTC
Best way to get electrical power out of a tealight candle?

Last post by Jplus « Sun Apr 17, 2016 3:01 pm UTC
Replies: 18
by mct » Sun Dec 06, 2015 9:03 pm UTC

18 Replies

4647 Views

Last post by Jplus View the latest post
Sun Apr 17, 2016 3:01 pm UTC
is Chicago ever the "front" of the planet?

Last post by DanD « Fri Apr 15, 2016 3:22 pm UTC
Replies: 30
by loki1913 » Thu Feb 18, 2016 7:00 pm UTC

30 Replies

5435 Views

Last post by DanD View the latest post
Fri Apr 15, 2016 3:22 pm UTC
Tazer rifle

Last post by Copper Bezel « Thu Apr 14, 2016 8:24 am UTC
Replies: 10
by magiccanbescience » Tue Apr 12, 2016 12:46 pm UTC

10 Replies

2261 Views

Last post by Copper Bezel View the latest post
Thu Apr 14, 2016 8:24 am UTC
Recyclable Pudding

Last post by Izawwlgood « Sat Apr 09, 2016 4:34 pm UTC
Replies: 3
by Goemon » Thu Apr 07, 2016 2:35 am UTC

3 Replies

1844 Views

Last post by Izawwlgood View the latest post
Sat Apr 09, 2016 4:34 pm UTC
Introspective search for layers of perception

Last post by aph « Thu Mar 24, 2016 7:49 pm UTC
Replies: 4
by aph » Mon Mar 14, 2016 12:15 pm UTC

4 Replies

2350 Views

Last post by aph View the latest post
Thu Mar 24, 2016 7:49 pm UTC
Moon formation effect on Earth's orbit

Last post by ijuin « Fri Mar 18, 2016 11:24 pm UTC
Replies: 10
by Cradarc » Wed Mar 16, 2016 2:58 am UTC

10 Replies

2588 Views

Last post by ijuin View the latest post
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Consensus on radioactive material, core heating

Last post by Flumble « Fri Mar 18, 2016 9:25 am UTC
Replies: 3
by Frenetic Pony » Thu Mar 17, 2016 6:13 am UTC

3 Replies

2054 Views

Last post by Flumble View the latest post
Fri Mar 18, 2016 9:25 am UTC
Problems in medical research:Tracking outcome switching

Last post by HungryHobo « Sun Mar 13, 2016 7:08 pm UTC
Replies: 90
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by HungryHobo » Sun Feb 07, 2016 11:19 am UTC
90 Replies

9762 Views

Last post by HungryHobo View the latest post
Sun Mar 13, 2016 7:08 pm UTC
Refraction of different wavelengths in atmosphere

Last post by Twistar « Wed Mar 09, 2016 9:51 pm UTC
Replies: 5
by Flumble » Tue Mar 08, 2016 4:24 pm UTC

5 Replies

2618 Views

Last post by Twistar View the latest post
Wed Mar 09, 2016 9:51 pm UTC
Equilibrium temperature of two objects in a closed system

Last post by Hypnosifl « Thu Mar 03, 2016 11:59 pm UTC
Replies: 6
by Flumble » Wed Mar 02, 2016 5:19 pm UTC

6 Replies

2468 Views

Last post by Hypnosifl View the latest post
Thu Mar 03, 2016 11:59 pm UTC
I trust science. So I let it make decisions for me.

Last post by Aiwendil « Thu Mar 03, 2016 5:29 pm UTC
Replies: 22
by KarenRei » Tue Jan 19, 2016 12:44 pm UTC

22 Replies

4740 Views

Last post by Aiwendil View the latest post
Thu Mar 03, 2016 5:29 pm UTC
Should we consider string theory to be science? (Philosophy)

Last post by drachefly « Tue Mar 01, 2016 12:08 am UTC
Replies: 32
by Twistar » Tue Feb 09, 2016 6:40 pm UTC

32 Replies

4973 Views

Last post by drachefly View the latest post
Tue Mar 01, 2016 12:08 am UTC
If spin really did represent particles actual spin...

Last post by ijuin « Sat Feb 27, 2016 10:18 pm UTC
Replies: 18
by quarkcosh1 » Thu Feb 18, 2016 4:52 pm UTC

18 Replies

3779 Views

Last post by ijuin View the latest post
Sat Feb 27, 2016 10:18 pm UTC
How do nutrients and pharmaceuticals decompose?

Last post by thoughtfully « Fri Feb 26, 2016 1:07 am UTC
Replies: 3
by Jorpho » Thu Feb 25, 2016 5:40 am UTC

3 Replies

2319 Views

Last post by thoughtfully View the latest post
Fri Feb 26, 2016 1:07 am UTC
Food pressure

Last post by ijuin « Wed Feb 24, 2016 3:10 am UTC
Replies: 3
by heatsink » Wed Feb 17, 2016 6:53 am UTC

3 Replies

2261 Views

Last post by ijuin View the latest post
Wed Feb 24, 2016 3:10 am UTC
LIGO Gravity Waves: Questions and Answers

Last post by Eebster the Great « Sat Feb 20, 2016 7:09 pm UTC
Replies: 49
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by khakipuce » Fri Feb 12, 2016 11:40 am UTC
49 Replies

7471 Views

Last post by Eebster the Great View the latest post
Sat Feb 20, 2016 7:09 pm UTC
Historical evolution of fire classifications?

Last post by douglasm « Thu Feb 18, 2016 5:43 pm UTC
Replies: 7
by Jorpho » Tue Feb 16, 2016 6:03 am UTC

7 Replies

2513 Views

Last post by douglasm View the latest post
Thu Feb 18, 2016 5:43 pm UTC
Bad Science

Last post by Copper Bezel « Tue Feb 16, 2016 2:06 pm UTC
Replies: 3
by tomandlu » Tue Feb 16, 2016 11:38 am UTC

3 Replies

2170 Views

Last post by Copper Bezel View the latest post
Tue Feb 16, 2016 2:06 pm UTC
"Miracles" of science idea for a XKCD panel

Last post by mfb « Tue Feb 16, 2016 12:03 am UTC
Replies: 6
by paercebal » Sat Feb 13, 2016 9:01 am UTC

6 Replies

2154 Views

Last post by mfb View the latest post
Tue Feb 16, 2016 12:03 am UTC
Landing rockets upright is unnecessary?

Last post by sevenperforce « Mon Feb 15, 2016 3:57 pm UTC
Replies: 61
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Attachment(s) by Cradarc » Thu Jan 21, 2016 8:40 pm UTC
61 Replies

10178 Views

Last post by sevenperforce View the latest post
Mon Feb 15, 2016 3:57 pm UTC
My own avian learning experiment

Last post by aph « Sat Feb 13, 2016 6:36 pm UTC
Replies: 12
by Tass » Tue Apr 03, 2012 9:03 pm UTC

12 Replies

3848 Views

Last post by aph View the latest post
Sat Feb 13, 2016 6:36 pm UTC
Venus chemical engineering

Last post by KarenRei « Sat Feb 13, 2016 5:39 pm UTC

by KarenRei » Sat Feb 13, 2016 5:39 pm UTC

0 Replies

3100 Views

Last post by KarenRei View the latest post
Sat Feb 13, 2016 5:39 pm UTC
Is the entire universe a black hole?

Last post by Rococo « Fri Feb 12, 2016 2:41 am UTC
Replies: 13
by Derek » Wed Feb 10, 2016 5:37 am UTC

13 Replies

3209 Views

Last post by Rococo View the latest post
Fri Feb 12, 2016 2:41 am UTC
Wendelstein 7-X

Last post by KarenRei « Tue Feb 09, 2016 4:21 pm UTC
Replies: 43
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2
by Izawwlgood » Tue Dec 15, 2015 8:07 pm UTC
43 Replies

7350 Views

Last post by KarenRei View the latest post
Tue Feb 09, 2016 4:21 pm UTC
Toffo Talks about Trains

Last post by Copper Bezel « Mon Feb 08, 2016 2:54 pm UTC
Replies: 128
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by Toffo » Wed Jun 18, 2014 8:29 am UTC
128 Replies

16398 Views

Last post by Copper Bezel View the latest post
Mon Feb 08, 2016 2:54 pm UTC
Atomic Science books suggestion? For Layman and scientists

Last post by Twistar « Tue Feb 02, 2016 4:23 pm UTC
Replies: 11
by ChildrenofGod » Fri Jan 29, 2016 11:34 am UTC

11 Replies

2702 Views

Last post by Twistar View the latest post
Tue Feb 02, 2016 4:23 pm UTC
Tips on HCV’s Prevention

Last post by Angua « Tue Feb 02, 2016 2:42 pm UTC
Replies: 1
by venus666 » Tue Feb 02, 2016 5:37 am UTC

1 Replies

1267 Views

Last post by Angua View the latest post
Tue Feb 02, 2016 2:42 pm UTC
Friction and Normal Force (Load)

Last post by Eebster the Great « Sat Jan 30, 2016 2:50 pm UTC
Replies: 6
by Teleknight » Fri Jan 01, 2016 6:17 pm UTC

6 Replies

2432 Views

Last post by Eebster the Great View the latest post
Sat Jan 30, 2016 2:50 pm UTC
Mixing things with different melting points

Last post by PM 2Ring « Fri Jan 29, 2016 7:18 am UTC
Replies: 6
by Envelope Generator » Thu Jan 28, 2016 6:51 pm UTC

6 Replies

3115 Views

Last post by PM 2Ring View the latest post
Fri Jan 29, 2016 7:18 am UTC
Probable ninth planet?

Last post by KarenRei « Thu Jan 28, 2016 10:21 am UTC
Replies: 30
by sevenperforce » Wed Jan 20, 2016 9:17 pm UTC

30 Replies

4494 Views

Last post by KarenRei View the latest post
Thu Jan 28, 2016 10:21 am UTC
What's up with avocados?

Last post by KarenRei « Mon Jan 25, 2016 11:12 pm UTC
Replies: 22
by lightvector » Wed Jan 06, 2016 5:57 am UTC

22 Replies

3525 Views

Last post by KarenRei View the latest post
Mon Jan 25, 2016 11:12 pm UTC
electromagnets motors and resistance question

Last post by Wolfkeeper « Sat Jan 23, 2016 1:06 am UTC
Replies: 3
by mikau16 » Fri Jan 22, 2016 7:55 pm UTC

3 Replies

1680 Views

Last post by Wolfkeeper View the latest post
Sat Jan 23, 2016 1:06 am UTC
Landing a Rocket on the Mun

Last post by KarenRei « Fri Jan 22, 2016 2:24 am UTC
Replies: 23
Attachment(s) by sardia » Tue Dec 29, 2015 2:10 am UTC

23 Replies

7422 Views

Last post by KarenRei View the latest post
Fri Jan 22, 2016 2:24 am UTC
Theory of black hole composition

Last post by thoughtfully « Thu Jan 21, 2016 3:09 am UTC
Replies: 50
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Attachment(s) by sevenperforce » Fri Jan 08, 2016 9:58 pm UTC
50 Replies

6502 Views

Last post by thoughtfully View the latest post
Thu Jan 21, 2016 3:09 am UTC
A question about tea

Last post by Wolfkeeper « Wed Jan 20, 2016 10:58 pm UTC
Replies: 18
by DrZiro » Thu Dec 17, 2015 2:46 am UTC

18 Replies

3563 Views

Last post by Wolfkeeper View the latest post
Wed Jan 20, 2016 10:58 pm UTC
Puzzling artifacts and reasonable reasoning

Last post by Quizatzhaderac « Tue Jan 19, 2016 4:29 pm UTC
Replies: 79
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by sevenperforce » Fri Jul 10, 2015 6:45 pm UTC
79 Replies

13496 Views

Last post by Quizatzhaderac View the latest post
Tue Jan 19, 2016 4:29 pm UTC
SpaceX manned moon landing: Falcon Heavy/Dragon V2

Last post by cjameshuff « Sun Jan 17, 2016 1:34 pm UTC
Replies: 9
Attachment(s) by sevenperforce » Mon Jan 04, 2016 10:02 pm UTC

9 Replies

3132 Views

Last post by cjameshuff View the latest post
Sun Jan 17, 2016 1:34 pm UTC
Training in stronger gravity

Last post by Wolfkeeper « Sat Jan 02, 2016 4:57 pm UTC
Replies: 7
by liveboy21 » Tue Dec 29, 2015 10:32 pm UTC

7 Replies

2070 Views

Last post by Wolfkeeper View the latest post
Sat Jan 02, 2016 4:57 pm UTC
Data presentation (Graphical design guru needed!)

Last post by Qaanol « Fri Jan 01, 2016 9:01 pm UTC
Replies: 8
Attachment(s) by Qaanol » Mon Dec 21, 2015 7:10 pm UTC

8 Replies

3267 Views

Last post by Qaanol View the latest post
Fri Jan 01, 2016 9:01 pm UTC
Highest purity water and materials

Last post by Eebster the Great « Wed Dec 30, 2015 4:11 pm UTC
Replies: 15
by Eebster the Great » Wed May 21, 2014 7:21 am UTC

15 Replies

3851 Views

Last post by Eebster the Great View the latest post
Wed Dec 30, 2015 4:11 pm UTC
Chemistry question: dissolving adhesive

Last post by elasto « Wed Dec 30, 2015 3:26 am UTC
Replies: 9
by sevenperforce » Fri Dec 18, 2015 9:34 pm UTC

9 Replies

1842 Views

Last post by elasto View the latest post
Wed Dec 30, 2015 3:26 am UTC
Many, many worlds (no relation to QM)

Last post by drachefly « Mon Dec 28, 2015 9:28 pm UTC
Replies: 20
Attachment(s) by sevenperforce » Mon Dec 07, 2015 4:58 pm UTC

20 Replies

3148 Views

Last post by drachefly View the latest post
Mon Dec 28, 2015 9:28 pm UTC
How does two black holes orbit each other?

Last post by sevenperforce « Mon Dec 28, 2015 8:33 pm UTC
Replies: 14
by Cradarc » Thu Dec 24, 2015 3:01 am UTC

14 Replies

2107 Views

Last post by sevenperforce View the latest post
Mon Dec 28, 2015 8:33 pm UTC
Could we save the sun?

Last post by sevenperforce « Mon Dec 21, 2015 2:20 pm UTC
Replies: 18
by peregrine_crow » Mon Dec 07, 2015 12:20 pm UTC

18 Replies

2802 Views

Last post by sevenperforce View the latest post
Mon Dec 21, 2015 2:20 pm UTC
Is 'control' a common property of all life?

Last post by gmalivuk « Mon Dec 21, 2015 6:42 am UTC
Replies: 168
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by aph » Thu Dec 03, 2015 7:52 pm UTC
168 Replies

12841 Views

Last post by gmalivuk View the latest post
Mon Dec 21, 2015 6:42 am UTC
Help with baseball legend Jose Canseco's What If?

Last post by ijuin « Thu Dec 17, 2015 7:36 am UTC
Replies: 12
Attachment(s) by Unakau » Sat Dec 12, 2015 6:39 am UTC

12 Replies

2541 Views

Last post by ijuin View the latest post
Thu Dec 17, 2015 7:36 am UTC
Unbihexium density?

Last post by Tyndmyr « Wed Dec 16, 2015 5:05 pm UTC
Replies: 11
by webgrunt » Sat Dec 12, 2015 5:17 pm UTC

11 Replies

2888 Views

Last post by Tyndmyr View the latest post
Wed Dec 16, 2015 5:05 pm UTC

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