Join the millions that use us for their forum communities. Create your own forum today.
InvisionFree - Free Forum Hosting
Welcome to Did You Know?

Name:   Password:


 

 Natural Sciences & Mathematics
Topic Title Topic Starter Replies Views Last Action
  Representation
DYK Fact #666
Olinguito 1 13 14:53 Sat 23 Aug 2014
Last Post by: shysophie
Large Hadron Collider
DYK Fact #456
goldenhinde 16 615 15:13 Mon 16 Jun 2014
Last Post by: Olinguito
  Chemical element (Pages 1 2 )
DYK Fact #606
shygeorge 114 1 068 12:33 Wed 07 May 2014
Last Post by: Olinguito
  Why our time system has numbers like 12 and 60
News Story #95
Olinguito 0 114 13:20 Sat 03 May 2014
Last Post by: Olinguito
  Extension field
DYK Fact #382
JaneFairfax 15 729 17:47 Wed 23 Apr 2014
Last Post by: Olinguito
  Metric space
DYK Fact #114
algebraic topology 8 683 17:04 Wed 23 Apr 2014
Last Post by: Olinguito
  Ring
DYK Fact #103
algebraic topology 9 801 00:07 Wed 20 Mar 2013
Last Post by: shygeorge
  Arsole
DYK Fact #314
Ebudae 5 502 22:10 Mon 18 Mar 2013
Last Post by: shygeorge
  Radio astronomy
DYK Fact #428
Athene_noctua 10 508 19:47 Mon 18 Mar 2013
Last Post by: Nehushtan
  Prime numbers
DYK Fact #106
Dross 19 945 18:22 Mon 18 Mar 2013
Last Post by: Nehushtan
  Quarks
DYK Fact #180
Ebudae 5 416 21:30 Fri 15 Mar 2013
Last Post by: Nehushtan
  Rare black diamonds may have come from space
News Story #5
Ebudae 2 264 10:42 Fri 03 Aug 2012
Last Post by: Hanuka
  Time and higher dimensions
DYK Fact #504
williampinn 3 314 09:21 Tue 03 Jul 2012
Last Post by: ExeleTuh
  André-Marie Ampère
DYK Fact #207
B_Headstone 1 311 16:57 Tue 19 Jun 2012
Last Post by: Sylvia
  Asteroids
DYK Fact #566
JaneFairfax 3 302 18:40 Fri 08 Jun 2012
Last Post by: Sylvia
  Antimatter
DYK Fact #624
Sylvia 17 217 22:08 Thu 07 Jun 2012
Last Post by: George Law
  Big Dipper
DYK Fact #622
Sylvia 2 249 11:11 Wed 23 May 2012
Last Post by: Sylvia
 
DYK Fact #134
algebraic topology 1 260 21:11 Tue 22 May 2012
Last Post by: Sylvia
  Thiol
DYK Fact #89
Ebudae 1 311 20:26 Mon 21 May 2012
Last Post by: Sylvia
  Rutherford Appleton Laboratory
DYK Fact #124
Ebudae 1 209 19:48 Mon 21 May 2012
Last Post by: Sylvia
  Pauli exclusion principle
DYK Fact #125
Ebudae 11 435 11:10 Sat 11 Jun 2011
Last Post by: George Law
  Homeomorphism
DYK Fact #619
mathlearner 1 315 18:53 Wed 23 Feb 2011
Last Post by: JaneFairfax
  Field
DYK Fact #104
algebraic topology 10 652 19:29 Mon 17 Jan 2011
Last Post by: JaneFairfax
  Polyhedron of a simplicial complex
DYK Fact #226
algebraic topology 3 579 18:17 Mon 20 Dec 2010
Last Post by: JaneFairfax
  Complete metric space
DYK Fact #166
algebraic topology 6 764 14:18 Sat 11 Dec 2010
Last Post by: algebraic topology
  Connected topological space
DYK Fact #167
JaneFairfax 5 797 10:55 Sun 05 Sep 2010
Last Post by: algebraic topology
  Brownian motion
DYK Fact #614
shyvera 5 451 10:59 Sat 22 May 2010
Last Post by: shygeorge
  Tychonoff’s theorem
DYK Fact #611
JaneFairfax 5 818 22:44 Tue 11 May 2010
Last Post by: shygeorge
  Stefan’s law
DYK Fact #592
Ebudae 20 2 517 18:57 Wed 24 Mar 2010
Last Post by: shygeorge
  Pulsars
DYK Fact #569
Ebudae 2 366 00:50 Sat 19 Sep 2009
Last Post by: Ebudae
  Gelfond–Schneider theorem
DYK Fact #583
JaneFairfax 9 615 16:29 Fri 28 Aug 2009
Last Post by: algebraic topology
  Tullio Levi-Civita
DYK Fact #584
goldenhinde 1 247 16:41 Fri 07 Aug 2009
Last Post by: Athene_noctua
  Ferdinand von Lindemann
DYK Fact #445
JaneFairfax 2 527 12:15 Thu 06 Aug 2009
Last Post by: JaneFairfax
  Pell’s equation
DYK Fact 580
JaneFairfax 3 906 15:57 Sat 25 Jul 2009
Last Post by: algebraic topology
  Euclid
DYK Fact #505
George Law 4 558 09:52 Fri 17 Jul 2009
Last Post by: George Law
  Saturn
DYK Fact #333
George Law 16 702 17:27 Thu 25 Jun 2009
Last Post by: Ebudae
  The Legendre and Jacobi symbols
DYK Fact #576
JaneFairfax 2 574 13:04 Wed 17 Jun 2009
Last Post by: JaneFairfax
  Finite Abelian groups
DYK Fact #564
JaneFairfax 11 500 23:17 Mon 01 Jun 2009
Last Post by: algebraic topology
  Group
DYK Fact #100
algebraic topology 24 853 16:37 Tue 19 May 2009
Last Post by: algebraic topology
  Lagrange’s theorem
DYK Fact #366
JaneFairfax 5 623 14:17 Wed 15 Apr 2009
Last Post by: algebraic topology
  Euler function
DYK Fact #560
JaneFairfax 8 434 05:50 Fri 03 Apr 2009
Last Post by: JaneFairfax
  Topological space
DYK Fact #101
algebraic topology 3 483 17:43 Tue 31 Mar 2009
Last Post by: JaneFairfax
  Fermat number
DYK Fact #558
JaneFairfax 2 415 10:58 Sun 29 Mar 2009
Last Post by: yuyukin
  Tau Ceti
DYK Fact #552
Athene_noctua 2 399 22:29 Thu 05 Mar 2009
Last Post by: Athene_noctua
  Cauchy sequence
DYK Fact #165
algebraic topology 7 716 16:30 Wed 11 Feb 2009
Last Post by: JaneFairfax
  Homomorphism
DYK Fact #110
algebraic topology 6 560 19:02 Sat 03 Jan 2009
Last Post by: JaneFairfax
  Rolle’s theorem
DYK Fact #531
JaneFairfax 1 379 20:44 Wed 24 Dec 2008
Last Post by: algebraic topology
  Leap second
DYK Fact #528
Athene_noctua 0 327 14:26 Wed 10 Dec 2008
Last Post by: Athene_noctua
  Tycho Brahe
DYK Fact #524
Athene_noctua 2 377 02:05 Wed 10 Dec 2008
Last Post by: goldenhinde
  Electromagnetic waves
DYK Fact #508
Ebudae 2 532 21:20 Fri 10 Oct 2008
Last Post by: Ebudae
  Homotopy
DYK Fact #423
algebraic topology 13 712 00:39 Thu 11 Sep 2008
Last Post by: JaneFairfax
  Quotient ring
DYK Fact #432
JaneFairfax 3 311 14:39 Wed 16 Jul 2008
Last Post by: algebraic topology
  The Solar System
DYK Fact #11
George Law 1 501 20:13 Fri 11 Jul 2008
Last Post by: Athene_noctua
  Vector space
DYK Fact #164
algebraic topology 2 398 20:59 Tue 08 Jul 2008
Last Post by: Jane Bennet
  Zorn’s lemma
DYK Fact #434
JaneFairfax 2 520 16:27 Mon 07 Jul 2008
Last Post by: JaneFairfax
  Integral domain
DYK Fact #323
algebraic topology 4 448 17:46 Sun 29 Jun 2008
Last Post by: algebraic topology
  Gaussian integer
DYK Fact #316
algebraic topology 1 399 01:01 Tue 24 Jun 2008
Last Post by: JaneFairfax
  Cathode rays
DYK Fact #413
Ebudae 8 388 20:55 Sun 25 May 2008
Last Post by: Ebudae
  Acceleration of free fall
DYK Fact #358
algebraic topology 23 1 279 08:09 Thu 24 Apr 2008
Last Post by: algebraic topology
  Methane
DYK Fact #375
Ebudae 6 485 21:02 Thu 20 Mar 2008
Last Post by: JaneFairfax
  Lemniscate
DYK Fact #363
Ebudae 3 291 14:00 Tue 04 Mar 2008
Last Post by: Athene_noctua
  Isometry
DYK Fact #362
Jane Bennet 0 248 02:48 Mon 03 Mar 2008
Last Post by: Jane Bennet
  Cosmic coincidence spotted
News Story #20
Athene_noctua 12 517 17:31 Thu 21 Feb 2008
Last Post by: Athene_noctua
  Rhombus
DYK Fact #313
Jane Bennet 5 373 17:55 Sat 26 Jan 2008
Last Post by: Jane Bennet
  Miranda
DYK Fact #321
Athene_noctua 9 252 12:33 Wed 23 Jan 2008
Last Post by: Athene_noctua
  Gaussian integral
DYK Fact #115
JaneFairfax 1 613 20:15 Mon 17 Dec 2007
Last Post by: K!!
  Ellipse
DYK Fact #168
JaneFairfax 4 446 11:44 Tue 12 Jun 2007
Last Post by: JaneFairfax
  Simplicial complex
DYK Fact #225
algebraic topology 0 280 21:51 Fri 27 Apr 2007
Last Post by: algebraic topology
  Simplex
DYK Fact #223
algebraic topology 0 366 22:36 Thu 26 Apr 2007
Last Post by: algebraic topology
  Convex hull
DYK Fact #216
algebraic topology 0 391 20:59 Mon 23 Apr 2007
Last Post by: algebraic topology
  Dihedral group
DYK Fact #175
algebraic topology 0 299 18:51 Wed 04 Apr 2007
Last Post by: algebraic topology
  Józef Hoene-Wroński
DYK Fact #160
JaneFairfax 0 357 00:24 Sun 25 Mar 2007
Last Post by: JaneFairfax
  Indefinite and definite integrals
DYK Fact #156
JaneFairfax 0 434 15:07 Fri 23 Mar 2007
Last Post by: JaneFairfax
  Cosine
DYK Fact #136
algebraic topology 1 361 15:05 Mon 12 Mar 2007
Last Post by: George Law
  Sine
DYK Fact #135
algebraic topology 0 279 19:40 Sun 11 Mar 2007
Last Post by: algebraic topology
  Étienne Bézout
DYK Fact #28
George Law 5 392 19:34 Thu 08 Mar 2007
Last Post by: JaneFairfax
  Emmy Noether
DYK Fact #111
JaneFairfax 0 246 21:44 Sat 03 Mar 2007
Last Post by: JaneFairfax
  Longest mathematical proof
DYK Fact #57
brazzy 1 452 20:38 Thu 18 Jan 2007
Last Post by: George Law
  Liquid crystals
DYK Fact #30
George Law 0 408 23:29 Sat 06 Jan 2007
Last Post by: George Law
  Chemical bonds
DYK Fact #26
George Law 0 491 15:30 Sat 06 Jan 2007
Last Post by: George Law
  Abstract algebra
DYK Fact #24
George Law 0 433 04:20 Sat 06 Jan 2007
Last Post by: George Law
  The kinetic theory
DYK Fact #21
George Law 0 453 01:15 Sat 06 Jan 2007
Last Post by: George Law
  Benoît Mandelbrot
DYK Fact #19
Ebudae 0 295 01:54 Fri 05 Jan 2007
Last Post by: Ebudae
  Radioactivity
DYK Fact #10
George Law 0 776 00:03 Thu 04 Jan 2007
Last Post by: George Law
  The halogen group
DYK Fact #6
George Law 0 615 18:52 Wed 03 Jan 2007
Last Post by: George Law
0 User(s) are browsing this forum (0 Guests and 0 Anonymous Users)
0 Members:
Showing 85 of 85 topics sorted by in from  

 

  Open Topic (new replies)
  Open Topic (no new replies)
  Hot Topic (new replies)
  Hot Topic (no new replies)
  Poll (new votes)
  Poll (no new votes)
  Locked Topic
  Moved Topic
Search this forum: 




Mark this forum as read


Hosted for free by InvisionFree* (Terms of Use: Updated 2/10/2010) | Powered by Invision Power Board v1.3 Final © 2003 IPS, Inc.
Page creation time: 0.0530 seconds | Archive