41554 blogs · [ { "id": "01a087e3-484e-733c-a1c9-c0e844886551", "title": "One Of My Favourite Puzzles", "url": "https://www.solipsys.co.uk/new/OneOfMyFavouritePuzzles.html?RSS", "published_at": "2017-04-06T20:00:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8457d4a23", "title": "Thinking About Recursion", "url": "https://www.solipsys.co.uk/new/ThinkingAboutRecursion.html?RSS", "published_at": "2017-03-08T12:00:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e846767b36", "title": "Memorising The Tube", "url": "https://www.solipsys.co.uk/new/MemorisingTheTube.html?RSS", "published_at": "2016-12-03T19:40:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e846cdf86e", "title": "Spikey Spheres", "url": "https://www.solipsys.co.uk/new/SpikeySpheres.html?RSS", "published_at": "2016-11-20T20:00:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84739d5e4", "title": "Surprisingly Quick", "url": "https://www.solipsys.co.uk/new/SurprisinglyQuick.html?RSS", "published_at": "2016-10-06T20:00:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e847c2533b", "title": "An Unexpected Fraction", "url": "https://www.solipsys.co.uk/new/AnUnexpectedFraction.html?RSS", "published_at": "2016-09-18T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84825ffcd", "title": "You Have To Admire Their Optimism", "url": "https://www.solipsys.co.uk/new/YouHaveToAdmireTheirOptimism.html?RSS", "published_at": "2016-08-28T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84906c23f", "title": "Representatives Matter", "url": "https://www.solipsys.co.uk/new/RepresentativesMatter.html?RSS", "published_at": "2016-07-10T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8495ffd18", "title": "Pythagoras By Incircle", "url": "https://www.solipsys.co.uk/new/PythagorasByIncircle.html?RSS", "published_at": "2016-06-08T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e849e6f3f5", "title": "A Puzzle About Puzzles", "url": "https://www.solipsys.co.uk/new/APuzzleAboutPuzzles.html?RSS", "published_at": "2016-05-31T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84a7fa30b", "title": "How not to do Twitter", "url": "https://www.solipsys.co.uk/new/HowNotToDoTwitter.html?RSS", "published_at": "2016-05-24T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84aa70183", "title": "Calculating 52 Factorial By Hand", "url": "https://www.solipsys.co.uk/new/Calculating52FactorialByHand.html?RSS", "published_at": "2016-01-04T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84af20ff7", "title": "Sometimes small things aren't", "url": "https://www.solipsys.co.uk/new/SmallThingsMightNotBeSoSmall.html?RSS", "published_at": "2016-01-02T19:30:00+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84bc2b6dd", "title": "Not If You Hurry", "url": "https://www.solipsys.co.uk/new/NotIfYouHurry.html?RSS", "published_at": "2015-12-20T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84c7e1a0a", "title": "Factoring Via Graph Three Colouring", "url": "https://www.solipsys.co.uk/new/FactoringViaGraphThreeColouring.html?RSS", "published_at": "2015-12-17T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84cbdbca7", "title": "Another Proof Of The Doodle Theorem", "url": "https://www.solipsys.co.uk/new/AnotherProofOfTheDoodleTheorem.html?RSS", "published_at": "2015-12-16T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84ceb2631", "title": "When Obvious Is Not Obvious", "url": "https://www.solipsys.co.uk/new/WhenObviousIsNotObvious.html?RSS", "published_at": "2015-12-15T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84da17ef0", "title": "Graph Three (Vertex) Colouring", "url": "https://www.solipsys.co.uk/new/GraphThreeColouring.html?RSS", "published_at": "2015-12-13T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84dbc8295", "title": "The Doodle Theorem", "url": "https://www.solipsys.co.uk/new/TheDoodleTheorem.html?RSS", "published_at": "2015-12-12T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84ebc4a80", "title": "Be Careful What You Say", "url": "https://www.solipsys.co.uk/new/BeCarefulWhatYouSay.html?RSS", "published_at": "2015-10-25T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84ebde72c", "title": "The Mutilated Chessboard Revisited", "url": "https://www.solipsys.co.uk/new/TheMutilatedChessboardRevisited.html?RSS", "published_at": "2015-10-10T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84f9d0c1e", "title": "A Mirror Copied", "url": "https://www.solipsys.co.uk/new/AMirrorCopied.html?RSS", "published_at": "2015-08-16T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e84fb4ab72", "title": "The Other, Other Rope Around The Earth", "url": "https://www.solipsys.co.uk/new/TheOtherOtherRopeAroundTheEarth.html?RSS", "published_at": "2015-08-01T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8509e30fa", "title": "Photocopy A Mirror", "url": "https://www.solipsys.co.uk/new/PhotocopyAMirror.html?RSS", "published_at": "2015-07-29T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8511e6242", "title": "The Point Of The Banach Tarski Theorem", "url": "https://www.solipsys.co.uk/new/ThePointOfTheBanachTarskiTheorem.html?RSS", "published_at": "2015-06-06T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e852170ebc", "title": "Sieve Of Eratosthenes In Python", "url": "https://www.solipsys.co.uk/new/SieveOfEratosthenesInPython.html?RSS", "published_at": "2015-05-24T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e852ab4a9d", "title": "Fast Perrin Test", "url": "https://www.solipsys.co.uk/new/FastPerrinTest.html?RSS", "published_at": "2015-05-19T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e853246d0b", "title": "Russian Peasant Multiplication", "url": "https://www.solipsys.co.uk/new/RussianPeasantMultiplication.html?RSS", "published_at": "2015-05-18T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8538aa012", "title": "Finding Perrin Pseudo Primes, Part 2", "url": "https://www.solipsys.co.uk/new/FindingPerrinPseudoPrimes_Part2.html?RSS", "published_at": "2015-05-17T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e853d7cef1", "title": "Finding Perrin Pseudo Primes, Part 1", "url": "https://www.solipsys.co.uk/new/FindingPerrinPseudoPrimes_Part1.html?RSS", "published_at": "2015-05-15T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e854486c5d", "title": "The Unwise Update", "url": "https://www.solipsys.co.uk/new/TheUnwiseUpdate.html?RSS", "published_at": "2015-05-13T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85509b683", "title": "Miles Per Gallon", "url": "https://www.solipsys.co.uk/new/MilesPerGallon.html?RSS", "published_at": "2015-05-03T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8552cc409", "title": "Tracking An Item On Hacker News", "url": "https://www.solipsys.co.uk/new/TrackingAnItemOnHackerNews.html?RSS", "published_at": "2015-05-02T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8557787ed", "title": "Hacker News User Ages", "url": "https://www.solipsys.co.uk/new/HackerNewsUserAges.html?RSS", "published_at": "2015-04-19T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85657e0d5", "title": "Poking The Dusty Corners", "url": "https://www.solipsys.co.uk/new/PokingTheDustyCorners.html?RSS", "published_at": "2015-04-14T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e856c2fe08", "title": "There Is No Time For This", "url": "https://www.solipsys.co.uk/new/ThereIsNoTimeForThis.html?RSS", "published_at": "2015-04-03T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85740bc34", "title": "Publically Sharing Links", "url": "https://www.solipsys.co.uk/new/PublicallySharingLinks.html?RSS", "published_at": "2015-01-05T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8580ac4ff", "title": "Learning Times Tables", "url": "https://www.solipsys.co.uk/new/LearningTimesTables.html?RSS", "published_at": "2014-12-14T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e858465ca2", "title": "Graceful Degradation", "url": "https://www.solipsys.co.uk/new/GracefulDegradation.html?RSS", "published_at": "2014-12-12T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e858767b45", "title": "Diagramming Maths Topics", "url": "https://www.solipsys.co.uk/new/DiagrammingMathsTopics.html?RSS", "published_at": "2014-11-22T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85901366e", "title": "On the Rack", "url": "https://www.solipsys.co.uk/new/OnTheRack.html?RSS", "published_at": "2014-08-26T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e859fe2fae", "title": "Square Root By Long Division", "url": "https://www.solipsys.co.uk/new/SquareRootByLongDivision.html?RSS", "published_at": "2014-08-11T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85a8062f6", "title": "Beyond the Boundary", "url": "https://www.solipsys.co.uk/new/BeyondTheBoundary.html?RSS", "published_at": "2014-05-23T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85b29a40a", "title": "Fill In The Gaps", "url": "https://www.solipsys.co.uk/new/FillInTheGaps.html?RSS", "published_at": "2014-05-03T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85b98b29e", "title": "Software Checklist", "url": "https://www.solipsys.co.uk/new/SoftwareChecklist.html?RSS", "published_at": "2014-04-24T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85c20097d", "title": "NASA Space Crews", "url": "https://www.solipsys.co.uk/new/NASASpaceCrews.html?RSS", "published_at": "2013-02-10T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85d09b36f", "title": "The Birthday Paradox", "url": "https://www.solipsys.co.uk/new/TheBirthdayParadox.html?RSS", "published_at": "2012-11-06T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85ddacb40", "title": "The Trapezium Conundrum", "url": "https://www.solipsys.co.uk/new/TheTrapeziumConundrum.html?RSS", "published_at": "2012-04-17T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85eb461fb", "title": "Revisting the Ant", "url": "https://www.solipsys.co.uk/new/RevisitingTheAnt.html?RSS", "published_at": "2012-02-20T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85f663687", "title": "The Ant and the Rubber Band", "url": "https://www.solipsys.co.uk/new/TheAntAndTheRubberBand.html?RSS", "published_at": "2012-02-09T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e85f958946", "title": "Irrationals Exist", "url": "https://www.solipsys.co.uk/new/IrrationalsExist.html?RSS", "published_at": "2011-12-20T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e86009b660", "title": "Multiple Choice Probability Puzzle", "url": "https://www.solipsys.co.uk/new/MultipleChoiceProbabilityPuzzle.html?RSS", "published_at": "2011-11-15T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e860dce8ff", "title": "Random Eratosthenes", "url": "https://www.solipsys.co.uk/new/RandomEratosthenes.html?RSS", "published_at": "2011-10-28T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e861bba12e", "title": "Wrapping Up Square Dissection", "url": "https://www.solipsys.co.uk/new/WrappingUpSquareDissection.html?RSS", "published_at": "2011-09-13T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e861e4e342", "title": "Dissecting a Square (Part 2)", "url": "https://www.solipsys.co.uk/new/DissectingASquarePart2.html?RSS", "published_at": "2011-08-08T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8627708ce", "title": "Dissecting a Circle", "url": "https://www.solipsys.co.uk/new/DissectingACircle.html?RSS", "published_at": "2011-07-26T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e86326cfac", "title": "Dissecting a square (Part 1)", "url": "https://www.solipsys.co.uk/new/DissectingASquare.html?RSS", "published_at": "2011-06-01T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8635db074", "title": "An Oddity in Tennis (Part 3 of Decision Trees in Games)", "url": "https://www.solipsys.co.uk/new/AnOddityInTennis.html?RSS", "published_at": "2011-05-24T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e86413b1fe", "title": "Decision Tree For Tennis (Part 2 of Decision Trees in Games)", "url": "https://www.solipsys.co.uk/new/DecisionTreeForTennis.html?RSS", "published_at": "2011-05-18T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e864a2f80f", "title": "Decision Trees In Games (Part 1)", "url": "https://www.solipsys.co.uk/new/DecisionTreesInGames.html?RSS", "published_at": "2011-05-15T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e864a68e65", "title": "A Matter of Convention", "url": "https://www.solipsys.co.uk/new/AMatterOfConvention.html?RSS", "published_at": "2011-05-09T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e86584b9db", "title": "Do You Nourish Or Tarnish?", "url": "https://www.solipsys.co.uk/new/DoYouNourishOrTarnish.html?RSS", "published_at": "2011-04-21T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e865dd2d56", "title": "Binary Search Reconsidered ...", "url": "https://www.solipsys.co.uk/new/BinarySearchReconsidered.html?RSS", "published_at": "2011-04-18T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e866b01000", "title": "Two Equals Four", "url": "https://www.solipsys.co.uk/new/TwoEqualsFour.html?RSS", "published_at": "2011-04-14T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e866c31e5f", "title": "The Lost Property Office", "url": "https://www.solipsys.co.uk/new/TheLostPropertyOffice.html?RSS", "published_at": "2011-04-11T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e866cbc6d2", "title": "The Forgiving User Interface", "url": "https://www.solipsys.co.uk/new/TheForgivingUserInterface.html?RSS", "published_at": "2011-04-05T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e867313156", "title": "Setting up RSS", "url": "https://www.solipsys.co.uk/new/SettingUpRSS.html?RSS", "published_at": "2011-04-03T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e867ed38a9", "title": "Withdrawing from Hacker News", "url": "https://www.solipsys.co.uk/new/WithdrawingFromHackerNews.html?RSS", "published_at": "2011-04-03T19:30:30+00:00" }, { "id": "01a087e3-484e-733c-a1c9-c0e8686d2d16", "title": "Colin's Blog", "url": "https://www.solipsys.co.uk/new/ColinsBlog.html?RSS", "published_at": "2011-04-02T19:30:30+00:00" } ] posts Claim your blog

Back to Colins Blog

Blog · corpus.blog/blogs/solipsys.co.uk/posts

Colins Blog

solipsys.co.uk

2017

One Of My Favourite Puzzles original ↗

6 Apr 2017

Thinking About Recursion original ↗

8 Mar 2017

2016

Memorising The Tube original ↗

3 Dec 2016

Spikey Spheres original ↗

20 Nov 2016

Surprisingly Quick original ↗

6 Oct 2016

An Unexpected Fraction original ↗

18 Sept 2016

You Have To Admire Their Optimism original ↗

28 Aug 2016

Representatives Matter original ↗

10 Jul 2016

Pythagoras By Incircle original ↗

8 Jun 2016

A Puzzle About Puzzles original ↗

31 May 2016

How not to do Twitter original ↗

24 May 2016

Calculating 52 Factorial By Hand original ↗

4 Jan 2016

Sometimes small things aren't original ↗

2 Jan 2016

2015

Not If You Hurry original ↗

20 Dec 2015

Factoring Via Graph Three Colouring original ↗

17 Dec 2015

Another Proof Of The Doodle Theorem original ↗

16 Dec 2015

When Obvious Is Not Obvious original ↗

15 Dec 2015

Graph Three (Vertex) Colouring original ↗

13 Dec 2015

The Doodle Theorem original ↗

12 Dec 2015

Be Careful What You Say original ↗

25 Oct 2015

The Mutilated Chessboard Revisited original ↗

10 Oct 2015

A Mirror Copied original ↗

16 Aug 2015

The Other, Other Rope Around The Earth original ↗

1 Aug 2015

Photocopy A Mirror original ↗

29 Jul 2015

The Point Of The Banach Tarski Theorem original ↗

6 Jun 2015

Sieve Of Eratosthenes In Python original ↗

24 May 2015

Fast Perrin Test original ↗

19 May 2015

Russian Peasant Multiplication original ↗

18 May 2015

Finding Perrin Pseudo Primes, Part 2 original ↗

17 May 2015

Finding Perrin Pseudo Primes, Part 1 original ↗

15 May 2015

The Unwise Update original ↗

13 May 2015

Miles Per Gallon original ↗

3 May 2015

Tracking An Item On Hacker News original ↗

2 May 2015

Hacker News User Ages original ↗

19 Apr 2015

Poking The Dusty Corners original ↗

14 Apr 2015

There Is No Time For This original ↗

3 Apr 2015

Publically Sharing Links original ↗

5 Jan 2015

2014

Learning Times Tables original ↗

14 Dec 2014

Graceful Degradation original ↗

12 Dec 2014

Diagramming Maths Topics original ↗

22 Nov 2014

On the Rack original ↗

26 Aug 2014

Square Root By Long Division original ↗

11 Aug 2014

Beyond the Boundary original ↗

23 May 2014

Fill In The Gaps original ↗

3 May 2014

Software Checklist original ↗

24 Apr 2014

2013

NASA Space Crews original ↗

10 Feb 2013

2012

The Birthday Paradox original ↗

6 Nov 2012

The Trapezium Conundrum original ↗

17 Apr 2012

Revisting the Ant original ↗

20 Feb 2012

The Ant and the Rubber Band original ↗

9 Feb 2012

2011

Irrationals Exist original ↗

20 Dec 2011

Multiple Choice Probability Puzzle original ↗

15 Nov 2011

Random Eratosthenes original ↗

28 Oct 2011

Wrapping Up Square Dissection original ↗

13 Sept 2011

Dissecting a Square (Part 2)original ↗

8 Aug 2011

Dissecting a Circle original ↗

26 Jul 2011

Dissecting a square (Part 1)original ↗

1 Jun 2011

An Oddity in Tennis (Part 3 of Decision Trees in Games)original ↗

24 May 2011

Decision Tree For Tennis (Part 2 of Decision Trees in Games)original ↗

18 May 2011

Decision Trees In Games (Part 1)original ↗

15 May 2011

A Matter of Convention original ↗

9 May 2011

Do You Nourish Or Tarnish?original ↗

21 Apr 2011

Binary Search Reconsidered ...original ↗

18 Apr 2011

Two Equals Four original ↗

14 Apr 2011

The Lost Property Office original ↗

11 Apr 2011

The Forgiving User Interface original ↗

5 Apr 2011

Setting up RSS original ↗

3 Apr 2011

Withdrawing from Hacker News original ↗

3 Apr 2011

Colin's Blog original ↗

2 Apr 2011