CS4FN Christmas Computing Advent Calendar

Every day in December 2021 a new ‘door’ opened and a new blog post about computing that had been hidden behind it became unlocked. They’re all open to read now so you can click on the icons to see them… (there’s also a full list with spoilers info at the end).

1 December 2 December 3 December 4 December 5 December
6 December 7 December 8 December 9 December 10 December
11 December 12 December 13 December 14 December 15 December

Hexahexaflexagons

16 December 17 December 18 December 19 December 20 December
21 December 22 December 23 December 24 December 25 December

 

All the Christmas 2021 Advent Calendar posts

CS4FN Advent – Day 1 – Woolly jumpers, knitting and coding (1 December 2021)

 

CS4FN Advent – Day 2 – Pairs: mittens, gloves, pair programming, magic tricks (2 December 2021)

 

CS4FN Advent – Day 3 – woolly hat: warming versus cooling (3 December 2021)

 

CS4FN Advent – Day 4 – Ice skate: detecting neutrinos at the South Pole, figure-skating motion capture, Frozen and a puzzle (4 December 2021)

 

CS4FN Advent – Day 5 – snowman: analog hydraulic computers (aka water computers), digital compression, and a puzzle (5 December 2021)

 

CS4FN Advent – Day 6 – patterned bauble: tracing patterns in computing – printed circuit boards, spotting links and a puzzle for tourists (6 December 2021)

 

CS4FN Advent – Day 7 – Computing for the birds: dawn chorus, birds as data carriers and a Google April Fool (plus a puzzle!) (7 December 2021)

 

CS4FN Advent – Day 8: gifts, and wrapping – Tim Berners-Lee, black boxes and another computing puzzle (8 December 2021)

 

CS4FN Advent – Day 9: gingerbread man – computing and ‘food’ (cookies, spam!), and a puzzle (9 December 2021)

 

CS4FN Advent – Day 10: Holly, Ivy and Alexa – chatbots and the useful skill of file management. Plus win at noughts and crosses – (10 December 2021)

 

CS4FN Advent – Day 11: the proof of the pudding… mathematical proof (11 December 2021)

 

CS4FN Advent – Day 12: Computer Memory – Molecules and Memristors – (12 December 2021)

 

CS4FN Advent – Day 13: snowflakes – six-sided symmetry, hexahexaflexagons and finite state machines in computing (13 December 2021)

 

CS4FN Advent – Day 14 – Why is your internet so slow + a festive kriss-kross puzzle (14 December 2021)

 

CS4FN Advent – Day 15 – a candle: optical fibre, optical illusions (15 December 2021)

 

CS4FN Advent – Day 16: candy cane or walking aid: designing for everyone, human computer interaction (16 December 2021)

 

CS4FN Advent – Day 17: reindeer and pocket switching (17 December 2021)

 

CS4FN Advent – Day 18: cracker or hacker? Cyber security(18 December 2021)

 

CS4FN Advent – Day 19: jingle bells or warning bells? Avoiding computer scams (19 December 2021)

 

CS4FN Advent – Day 20: where’s it @? Gift tags and internet addresses (20 December 2021)

 

CS4FN Advent – Day 21: wreaths and rope memory – weave your own space age computer (21 December 2021)

 

 

CS4FN Advent – Day 22: stars and celestial navigation (22 December 2021)

 

 

CS4FN Advent – Day 23: Father Christmas – checking his list, spotting the errors (23 December 2021)

 

CS4FN Advent – Day 23: Bonus material – see “Santa’s sleigh” flying overhead (23 December 2021) – this was an extra post so that people could get ready to see “Father Christmas” passing overhead on Christmas Day at 6:48am)

 

CS4FN Advent – Day 24: Santa’s Sleigh – track its progress through the skies (24 December 2021)

 

CS4FN Advent – Day 25: Merry Christmas! Today’s post is about the ‘wood computer’ (25 December 2021)