Mathematician @UniofOxford AND @Cambridge_Uni, @OxfordConted, @Numberphile, @YouTube 'Creator on the Rise', Naked Mathematician, @TedX Speaker, @c4countdown
Oxford, UK
Joined January 2017
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COUNTDOWN. Still can’t believe this happened, but you will now be able to watch me attempting to do maths live on television for the next 3 weeks, starting Monday at 2:10pm @Channel4. So excited to be joining the @C4Countdown family - long live daytime television!!
CS50 Puzzle Day is back in the UK - 5pm Friday November 6th at Oxford University.
Come solve puzzles in teams of 2-4 whilst enjoying pizza and excellent company - an event not to be missed!
Tickets here: eventbrite.com/e/cs50x-puzzl…
NEW VIDEO: youtube.com/shorts/E2Zd2t50y…
Blind ranking characters from Lord of the Rings. Would you do it differently? (And do you even know them all??!)
Pre-order my first book "How Many Pikachus Would It Take To Power A Lightbulb? The Real Maths of Fantasy Worlds" now!
Behind the scenes of the ghosts photoshoot taking in the main sites of Oxford.
The Lifelong Learning ghosts will be back in full swing for Halloween ready to scare you into learning mwahahahaha 👻
A few snaps from exploring Amsterdam, including the coolest “city archives” building in the world. That tiling pattern alone is magnificently mathematical!
Did I calculate the proportion of my stroopwafel covered in chocolate? You bet I did. Thanks brain :)
NEW VIDEO: How Long Would It Actually Take To "Catch 'em All"? I've done the maths.
Pre-order your signed and dedicated copy of my upcoming book "How Many Pikachus Would It Take To Power A Lightbulb?" now and receive a special Pokémon themed gift :)
youtube.com/shorts/kF030L0Fb…
Beginning Amsterdam adventures with a tour of the original Heineken brewery purchased in 1864 by Gerard Adriaan Heineken.
The beer won the Medaille D’Or at the International Maritime Exposition in Paris in 1875 kickstarting the brand’s journey to global fame.
Too many talks to keep count this past week!
Thanks to Maths Week Ireland for organising some brilliant events across Belfast, and to LUSOM Preston for a great session with GCSE students looking at what maths can offer them at A-level and beyond.
Now on to Amsterdam :)
NEW VIDEO: Live audiobook recording of the opening section of "How Many Pikachus Would It Take To Power A Lightbulb?" - coming next month and available to pre-order now :)
youtube.com/shorts/8L4ey3ydF…
Yerevan appreciation post - such a fun city with some incredible art and beautiful views from the cascade.
Dating back to 782 BC, it is one of the world’s oldest continually inhabited cities. And is now home to over 50 universities! A place after my own heart ❤️
Thanks for having me BBC Radio 4 - such a pleasure to chat all things Lord of the Rings and Frodo’s insurance policy with Tim Harford on More or Less.
Tim telling me he was impressed with my knowledge of the Mines of Moria might lowkey be the best compliment I’ve ever had!
Back in Belfast for Maths Week Ireland visiting 4 schools across 2 days. Always fun to chat with students in Northern Ireland - and even more so about Frodo’s life insurance policy!
Find out the premium in chapter 2 of “How Many Pikachus Would It Take To Power A Lightbulb?”
TICKETS NOW AVAILABLE: eventbrite.co.uk/e/how-many-…
Don't miss the live celebration of the launch of my book at the Oxford Natural History Museum with a whole host of famous faces - including James Grime, Ben Sparks and Brady Haran of Numberphile.
WE ARE GOING TO HAVE SO MUCH FUN!
Dr Tom Crawford retweeted
You can pre-order this new book coming from our very own @tomrocksmaths
link.amazon/B08bG8uAm (US)
link.amazon/B0eyztoqx (UK)
It's going to be a good one whichever cover you end up with.
Shoutout to the brilliant students at St Dominic’s for being such an enthusiastic audience today as we calculated the blast radius of the Death Star.
The new ‘mathematically correct’ version of Episode IV will no doubt be hitting cinemas very soon!
Dr Tom Crawford retweeted
🎓 6,000 students. One huge celebration of science. And plenty of maths!
What a way to wrap up my two days at @newscientist Live at London’s ExCeL! 🚀
Today’s schools-only event brought together 6,000 young people aged 8–18 and their teachers. Brilliant to see so much curiosity and enthusiasm for learning! 🧮✨
So chuffed I was able to team up with Dr @tomrocksmaths for the first time at a public speaking event for our Ultimate Maths Battle, taking on history, sport and video games. ⚔️🎮🏆 Something tells me this won’t be our last showdown!
Also great to finally meet fellow science communicator Dr @shinisomara and have a proper catch-up with Dr Holly Ellis about navigating the world of media. Always lovely connecting with people who share a passion for making science accessible to everyone. 🙌
Thanks New Scientist Live for two fantastic days!
#NewScientistLive #Science #Maths #SciComm #Education
Symphony of the Stones at Garni Gorge, Armenia. The hexagonal pattern is the result of ‘columnar jointing’ where fracturing occurs in cooling igneous rocks such as the basalt seen here. Whilst hexagons are most common due to the regularity of the pattern, what others can you see?
LOOK AT ALL THOSE PEOPLE!!
What a day New Scientist Live doing my first ever joint talk with my good friend Bobby Seagull - I think we can all agree the “Ultimate Maths Battle” was a roaring success.
What was your favourite round? History, Sport or Video Games?
Taking photos with my favourite maths communicators holding my book. A new genre.
This is a “proof” version so the cover is boring. The real one is FABULOUS.
It’s been a busy week of talks in the Oxford area, from Cheney School last Friday to Abingdon School this Wednesday.
Thanks to everyone that came along - I hope I was able to convince you of the fun to be had using mathematical modelling in your favourite fantasy universe!
Dr Tom Crawford retweeted
Join us for the second-annual CS50x Puzzle Day at Oxford!
CS50 is back in the United Kingdom! Join us at the University of Oxford on Friday, November 6, 2026, 5pm–10pm, for a CS50x Puzzle Day in collaboration with Oxford Lifelong Learning, with Professor @davidjmalan from @Harvard, Professor Daniel Wilson from @UniofOxford, Professor Nicholas Day from Oxford, and Professor Tom Crawford from Oxford (and Cambridge and @tomrocksmaths).
CS50x Puzzle Day is an opportunity to collaborate on teams of 2, 3, and 4 to solve a packet of puzzles (i.e., logic problems). Among the event’s goals is to send a message that computer science is more about problem-solving than it is about, say, programming. Puzzles are not programming challenges. No prior CS or programming experience needed, just logic and smarts! No team? No problem! We will help teams form at the event. Tickets on sale until 4pm on November 4, 2026.
eventbrite.com/e/cs50x-puzzl…
