Physical Sciences & Mathematics
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Astronomy & Space Science
Discuss celestial objects and phenomena outside the Earth's atmosphere, Earth-launched satellites and exploratory missions, etc....
Moderators: Calilasseia, ADParker - 992 Topics
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Last postWhy is space black?
by Cito di Pense
Dec 06, 2019 2:45 pm
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Astronomy & Space Science
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Chemistry
Composition and transformation of substance.
Moderators: Calilasseia, ADParker - 87 Topics
- 1430 Posts
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Last postNew sweetener
by Svartalf
Nov 25, 2019 5:58 am
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Chemistry
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Earth Sciences
Geology, Geophysics, Oceanography, Meteorology etc.
Moderators: Calilasseia, ADParker - 359 Topics
- 6201 Posts
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Last postClimate Change Science ...
by Macdoc
Dec 01, 2019 10:57 pm
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Earth Sciences
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Mathematics
Discuss the language of the universe.
Moderators: Calilasseia, ADParker - 274 Topics
- 6241 Posts
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Last postChallenge
by Thommo
Nov 20, 2019 11:11 pm
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Mathematics
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Physics
Study matter and its motion through spacetime...
Moderators: Calilasseia, ADParker - 763 Topics
- 19341 Posts
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Last postX17 observed (again) but ...
by newolder
Nov 26, 2019 2:32 pm
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Physics
60 topics • Page 1 of 2 • 1, 2
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- Limits in space....(and time)...
Thought experimenting and conjecures about space's limits.
1, 2, 3 by Scott Mayers » Nov 20, 2019 5:11 am
- 52 Replies
- 478 Views
- Last post by Macdoc
Nov 25, 2019 12:42 am
- Limits in space....(and time)...
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- Is this L. Krauss remark an example of creation ex nihilo?
1 ... 5, 6, 7
by MeCagoEnCristo » Dec 30, 2016 6:37 am
- 132 Replies
- 6303 Views
- Last post by Thomas Eshuis
Sep 11, 2019 7:39 pm
- Is this L. Krauss remark an example of creation ex nihilo?
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- Reality might not exist
1 ... 4, 5, 6 by juju7 » Oct 04, 2017 3:44 pm
- 117 Replies
- 7629 Views
- Last post by Spearthrower
May 14, 2019 12:33 am
- Reality might not exist
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- help me out?
by BWE » Nov 13, 2018 5:20 pm
- 5 Replies
- 456 Views
- Last post by BWE
Nov 13, 2018 7:06 pm
- help me out?
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- 10 characteristic experiments of physics
triple point of water
by Christian » Oct 20, 2018 4:07 pm
- 4 Replies
- 501 Views
- Last post by newolder
Oct 20, 2018 9:39 pm
- 10 characteristic experiments of physics
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- What limits electrons in shells
by Wenlok » Jul 18, 2018 2:52 am
- 7 Replies
- 756 Views
- Last post by Matt_B
Jul 18, 2018 12:44 pm
- What limits electrons in shells
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- Did the Chinese Government really discover ESP, Telekineses
by Kataclysmal » Apr 05, 2018 11:51 am
- 3 Replies
- 701 Views
- Last post by GrahamH
Apr 05, 2018 12:32 pm
- Did the Chinese Government really discover ESP, Telekineses
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- Designing and building a solar power station
Applied science, crowdsourced...
1 ... 4, 5, 6
by The_Metatron » Aug 04, 2017 8:57 pm
- 101 Replies
- 7080 Views
- Last post by The_Metatron
Feb 15, 2018 4:56 pm
- Designing and building a solar power station
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- Is the speed of light proportional to age of the universe?
by Clive Durdle » Mar 14, 2017 7:54 am
- 8 Replies
- 1459 Views
- Last post by Paul1
Jul 15, 2017 5:48 am
- Is the speed of light proportional to age of the universe?
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- A 3 billion solar mass black hole rockets out of a galaxy
at 8 million kilometers per hour-over 1300 miles/s
by crank » Mar 26, 2017 3:51 pm
- 7 Replies
- 1358 Views
- Last post by Sendraks
Apr 04, 2017 3:41 pm
- A 3 billion solar mass black hole rockets out of a galaxy
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- Any ideas what this is?
by twistor59 » Mar 19, 2017 6:06 pm
- 8 Replies
- 1214 Views
- Last post by Calilasseia
Mar 20, 2017 7:03 am
- Any ideas what this is?
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- We are stardust
by juju7 » Mar 14, 2017 8:23 am
- 7 Replies
- 1335 Views
- Last post by crank
Mar 15, 2017 4:35 pm
- We are stardust
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- Why is light the fastest thing in the universe?
A question from my seven year old son
1, 2, 3, 4, 5 by devogue » Apr 19, 2016 10:11 pm
- 99 Replies
- 12890 Views
- Last post by The_Metatron
Feb 04, 2017 5:47 am
- Why is light the fastest thing in the universe?
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- Another Pale Blue Dot
Cassini
by Macdoc » Dec 08, 2016 2:15 am
- 6 Replies
- 1430 Views
- Last post by crank
Jan 05, 2017 4:29 am
- Another Pale Blue Dot
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- 'Zeno effect' verified: Atoms won't move while you watch
by Olmosis » Dec 08, 2016 4:57 pm
- 6 Replies
- 1504 Views
- Last post by Olmosis
Dec 11, 2016 11:26 pm
- 'Zeno effect' verified: Atoms won't move while you watch
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- Cosmology conundrum. Big Bang still valid? Please help...
So many different theories are confusing me.
1, 2 by MeCagoEnCristo » Jun 21, 2016 11:31 pm
- 21 Replies
- 3643 Views
- Last post by newolder
Dec 10, 2016 2:34 pm
- Cosmology conundrum. Big Bang still valid? Please help...
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- Ramanujan's formula can explain behaviour of black holes
by the_5th_ape » Jun 21, 2016 2:46 pm
- 0 Replies
- 7270 Views
- Last post by the_5th_ape
Jun 21, 2016 2:46 pm
- Ramanujan's formula can explain behaviour of black holes
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- detecting dark matter with gravitational waves
by Kyx » Mar 20, 2016 3:43 pm
- 1 Replies
- 1542 Views
- Last post by tuco
Mar 20, 2016 4:04 pm
- detecting dark matter with gravitational waves
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- Anyone Can Quantum video
Paul Rudd vs. Hawking, narrated by keanu Reeves
by Aca » Jan 29, 2016 3:28 pm
- 1 Replies
- 1722 Views
- Last post by DavidMcC
Jan 29, 2016 5:14 pm
- Anyone Can Quantum video
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- 4th phase of water?
by wispastic » Jan 09, 2016 1:10 pm
- 0 Replies
- 1724 Views
- Last post by wispastic
Jan 09, 2016 1:10 pm
- 4th phase of water?
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- Local realism - thou art terminally ill.
Incontrovertible Evidence for Bell's inequality violation out in Nature.
1, 2, 3 by GenesForLife » Oct 23, 2015 5:53 pm
- 53 Replies
- 10142 Views
- Last post by Shrunk
Nov 02, 2015 2:25 pm
- Local realism - thou art terminally ill.
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- Flight Question
1, 2, 3 by Jerome Da Gnome » Apr 11, 2015 10:45 pm
- 52 Replies
- 7848 Views
- Last post by Spearthrower
Jul 08, 2015 1:43 pm
- Flight Question
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- Sean Carroll - The Philosophy of Cosmology
Ten Questions for the Philosophy of Cosmology
by kennyc » Oct 04, 2014 1:20 pm
- 3 Replies
- 2779 Views
- Last post by Spearthrower
Jul 04, 2015 7:04 am
- Sean Carroll - The Philosophy of Cosmology
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- Molecular Fusion
The mechanics of converting atmospheric gases
by jlindgaard » Jun 22, 2015 12:26 pm
- 1 Replies
- 1977 Views
- Last post by jlindgaard
Jun 23, 2015 1:05 pm
- Molecular Fusion
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- Gas Giant too Big for Tiny Star
by Jerome Da Gnome » May 07, 2015 3:44 pm
- 1 Replies
- 2196 Views
- Last post by DavidMcC
May 07, 2015 4:23 pm
- Gas Giant too Big for Tiny Star
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- Climate change to wake sleeping dragons
by wunksta » Apr 01, 2015 12:55 pm
- 4 Replies
- 2342 Views
- Last post by Made of Stars
Apr 01, 2015 6:23 pm
- Climate change to wake sleeping dragons
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- X-ray machine opens new frontier
by DougC » Feb 17, 2015 11:33 pm
- 0 Replies
- 2076 Views
- Last post by DougC
Feb 17, 2015 11:33 pm
- X-ray machine opens new frontier
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- People have fundamental issues with chance and randomness
By PZ Myers
by Rumraket » Jan 10, 2015 12:42 am
- 8 Replies
- 3123 Views
- Last post by hackenslash
Jan 18, 2015 12:20 pm
- People have fundamental issues with chance and randomness
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- Nice Article on Bayes and the Scientific Method
by twistor59 » Sep 29, 2014 8:00 am
- 13 Replies
- 2960 Views
- Last post by susu.exp
Oct 03, 2014 2:44 pm
- Nice Article on Bayes and the Scientific Method
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- Infinity is an Illusion
1 ... 7, 8, 9 by Betelgeuse » May 15, 2014 9:11 pm
- 164 Replies
- 19528 Views
- Last post by Lowpro
Oct 01, 2014 4:54 pm
- Infinity is an Illusion
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- Virtual Particles
by KeenIdiot » Sep 01, 2014 4:54 am
- 9 Replies
- 2676 Views
- Last post by twistor59
Sep 02, 2014 6:46 am
- Virtual Particles
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- Purer-than-pure silicon solves problem for quantum tech
by DougC » Aug 12, 2014 8:55 pm
- 14 Replies
- 3652 Views
- Last post by scott1328
Aug 21, 2014 3:27 pm
- Purer-than-pure silicon solves problem for quantum tech
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- But is it alive? Plastic that regrows/heals itself
by DougC » May 09, 2014 2:33 pm
- 9 Replies
- 2840 Views
- Last post by DougC
Aug 11, 2014 9:33 pm
- But is it alive? Plastic that regrows/heals itself
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- Diamond crushed to Saturn's extremes
by DougC » Jul 16, 2014 9:57 pm
- 0 Replies
- 2797 Views
- Last post by DougC
Jul 16, 2014 9:57 pm
- Diamond crushed to Saturn's extremes
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- Variable speed of light theory/claim
by kennyc » Jun 11, 2014 4:38 pm
- 11 Replies
- 2864 Views
- Last post by kennyc
Jun 11, 2014 11:21 pm
- Variable speed of light theory/claim
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- Need a simplistic answer
1, 2 by the_5th_ape » Feb 21, 2014 12:55 pm
- 33 Replies
- 5597 Views
- Last post by Passer
Jun 05, 2014 6:03 pm
- Need a simplistic answer
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- the born of 'zero' - where the idea comes from?god/human?
by shukr26338 » Aug 13, 2013 12:55 am
- 12 Replies
- 3865 Views
- Last post by Veida
Jun 02, 2014 12:05 am
- the born of 'zero' - where the idea comes from?god/human?
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- Weird triangular thing in Scientific American
by Maury Markowitz » May 21, 2014 11:34 am
- 0 Replies
- 2402 Views
- Last post by Maury Markowitz
May 21, 2014 11:34 am
- Weird triangular thing in Scientific American
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- Watch Astronauts Come Back to Earth—Live!
Now (13/5 - 2014)
by Crrss » May 13, 2014 10:54 pm
- 4 Replies
- 2406 Views
- Last post by Calilasseia
May 14, 2014 8:59 pm
- Watch Astronauts Come Back to Earth—Live!
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- Great Women in Astronomy: Cecilia Payne-Gaposhkin
by SevenZarkSeven » May 01, 2014 7:08 pm
- 5 Replies
- 2576 Views
- Last post by SevenZarkSeven
May 01, 2014 8:36 pm
- Great Women in Astronomy: Cecilia Payne-Gaposhkin
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