• Raspberry Pi VPN Hotspot (or How To Infuriate Theresa May For Under £40)

    25 November, 2015

    For a small sum of money and a little time, you too can have a little box that encrypts...

  • Twee2 – Interactive Fiction Authoring for Geeks

    22 October, 2015

    To the complete lack of surprise of anybody who knows him, Dan found a single tiny flaw in a...

  • Cystoscopy equipment, ready for insertion.

    Into the Lair of the Bladder Monster

    18 September, 2015

    Following his recent illness, Dan undergoes a variety of investigative procedures, including having a fibreoptic bundle inserted into bladder......

  • Post-It Minesweeper

    15 September, 2015

    Dan implements a computer program to help him make a Post-It-based version of a computer program. Then sticks it...

  • Anniversary at Wriggles Brook

    29 August, 2015

    A few weeks ago Ruth and Dan celebrated their eighth anniversary in a gypsy caravan at Wriggles Book, Herefordshire,...

  • Dan, shortly before inpatient admission but already recovering from the worst parts of his hospital visit, last week.

    The Bladder Monster

    24 June, 2015

    Complications associated with a series of urinary tract infections cause Dan a stay in the hospital and a long...

  • Calculating Pi (when you’re ill)

    14 June, 2015

    Dan's stuck in bed while he recovers following a medical issue. But while his body's recovering, he's been occupying...

  • A Sainsbury's Brand Match voucher advising that my shopping was 1p cheaper than the competition. In total. Photo with thanks to Brett Jordan, used under a Creative Commons license.

    Supermarket “price match” deals are marketing genius

    9 June, 2015

    Almost five years ago, Sainsbury's supermarkets started giving you vouchers to the value of how much cheaper your shopping...

  • Solar Power, part 2

    12 May, 2015

    Last year, Dan had solar panels installed on his roof. Four months on, he takes a look at how...

  • EEBO-TCP Hackathon

    22 April, 2015

    Last month, Dan attended the EEBO-TCP hackathon, and worked alongside humanities researchers to collaborate on software that extracted previously...

  • Greg, Marc, Blair and Dom, as depicted in Greg's 2007 blog post.

    Squiz CMS Easter Eggs (or: why do I keep seeing Greg’s name in my CAPTCHA?)

    27 March, 2015

    When using the Squiz CMS, Dan noticed that his CAPTCHA kept containing the same patterns of letters. These turned...

  • Too Many Cards

    4 March, 2015

    This week, Dan performed a magic trick (via webcam) for some friends in an exclusive part of Reddit. And...

  • From bottom to top: potato waffle, cheese, potato waffle, egg, tomato ketchup.

    Health. Food.

    12 February, 2015

    You can tell when Dan's recovering from illness, because he starts craving the most otherwise-disgusting foodstuffs. Here's a recipe...

  • La Chapelle Notre-Dame des Neiges, near Montagny, as seen across the valley from La Nouvaz

    The Right Place At The Right Time

    6 February, 2015

    While hunting for an Alpine geocache, Dan discovers two lost hikers and rescues them from a blizzard.

  • Three checkboxes -


    13 December, 2014

    Where organisations that have no reason to discriminate based on gender ask for Dan's title, he usually gives Mx....

  • Solar panels on our roof.

    Solar Power, part 1

    8 December, 2014

    Solar power is awesome. That's why Dan looked at the roof of the house he co-owns with Ruth and...

  • JTA and Ruth at the supermarket after shoping before Murder... At The Magic College

    Means-Assessed Household Finances (Socialism Begins At Home!)

    12 October, 2014

    For the last four years, Ruth, Dan, JTA, and those who've lived with them have used a system of...

  • The completed pizza cake, ready to be sliced.

    Pizza Cake

    4 October, 2014

    When you make a pizza on top of a pizza on top of a pizza on top of a...

  • A 2-year-old using a MacBook. Photograph copyright Donnie Ray Jones, used under Creative Commons license.

    Teaching Kids to Code – Why It Matters

    28 September, 2014

    Teaching children to program computers should be seen as being about making a new generation of computer programmers. It...

  • Dan holds up a card for a spectator.

    Secrets of Magic

    24 September, 2014

    Do you know the secret of magic? The secret of magic isn't, as many people think, secrets, but something...

  • Dan reprogrammes Box One in a forest

    You Can’t Do It Alone!

    13 August, 2014

    Dan places his most-ambitious geocache to date: a cache that requires two people to find it - on different...

  • Cheese and pickle.

    How to make a Cheese & Pickle Sandwich

    8 July, 2014

    What a strange species we are! Dan contemplates the complexity of a cheese & pickle sandwich.

  • Poker


    30 June, 2014

    Dan and his coworker Liz take a day's course in blacksmithing, and discover quite how much hard work it...

  • Annabel looks out over the Eden Project

    Devon – the trip we’ll never forget

    16 June, 2014

    Dan, Ruth, JTA take a holiday in Devon. And for better or worse, it becomes a trip that they’ll…

  • Dan holding the geocache he's found above his head, triumphantly.

    Geocaching Like Batman

    18 May, 2014

    Dan finds his first "terrain 5" geocache. They said he needed a boat, but Dan laughs in the face...

  • Social Engineering of the Day

    15 May, 2014

    Dan goes to deliver a lecture on security and, before he's even identified himself, manages to find out from...

  • Ice and Lemon, by Pete Hartley

    Ice and Lemon

    22 April, 2014

    Recently, Dan read a book about an alternate-universe version of himself, authored by somebody who very-nearly shares his father's...

  • @SelinaWilken: Sometimes I'll read horoscopes, and just go down the list until I find the one I like best. This month I'm Aquarius.


    17 April, 2014

    A long time ago, Dan dated a girl who would read several different horoscopes for her star sign, and...

  • Sarah and Richard announce to the rest of the family that they're now married.

    Surprises, e.g. a Brother-in-Law

    18 March, 2014

    While on the way to a stag night in Edinburgh, Dan stops to perform magic in Preston and is...

  • Lookin' for some hot stuff baby this evenin'. I need some hot stuff baby tonight. I want some hot stuff baby this evenin'. Gotta have some hot stuff. Gotta have some love tonight.

    Cosmo – Building A Watercooled PC (Part 1)

    10 March, 2014

    Mostly-irrationally, Dan decides that it's time to build a new computer, and sets out to make a souped-up, liquid-cooled...