Did you solve it? The London cab that rode into history

The Guardian – ScienceMonday, October 13, 2025 at 3:57:10 PM
PositiveScience
Did you solve it? The London cab that rode into history
Today, a fascinating connection between London cabs and the mathematical concept of 1729, known as the 'taxicab number,' was explored through a series of puzzles. This intriguing intersection of history and mathematics not only engages puzzle enthusiasts but also highlights the cultural significance of numbers in everyday life. By solving these puzzles, readers can appreciate the cleverness behind this mathematical phenomenon and its relevance in both academic and casual contexts.
— Curated by the World Pulse Now AI Editorial System

Was this article worth reading? Share it

Recommended Readings
Can you solve it? The London cab that rode into history
PositiveScience
A fascinating piece of mathematical history is brought to light with the story of the London cab that carried G. H. Hardy to visit Srinivasa Ramanujan in 1919. The cab's license number, 1729, was deemed unremarkable by Hardy, but Ramanujan recognized it as the smallest number expressible as the sum of two cubes in two different ways. This anecdote not only highlights the brilliance of Ramanujan but also emphasizes the beauty of numbers in mathematics, making it a delightful reminder of how seemingly mundane details can hold profound significance.
Starwatch: worth staying up for pleasing view of moon encountering Jupiter and Gemini
PositiveScience
On the night of October 14, stargazers are in for a treat as the moon will align with Jupiter and the bright stars of Gemini. This celestial event, visible from London just after midnight, offers a stunning view for both early risers and night owls alike. It's a perfect opportunity to appreciate the beauty of the night sky and connect with the wonders of astronomy.
Latest from Science
Why you get goosebumps when you’re scared—or inspired
NeutralScience
The article explores the fascinating phenomenon of goosebumps, which can occur in response to fear or inspiration. It delves into the primal reflex that triggers this reaction, highlighting how it connects to our emotional experiences. Understanding why we get goosebumps not only satisfies our curiosity but also sheds light on the intricate ways our bodies respond to intense feelings, making it a topic of interest for both science enthusiasts and the general public.
Strange 'puffy' alien world breaks every rule for how planets should behave
NeutralScience
Scientists have discovered TOI-4507 b, an exoplanet that defies conventional understanding of planetary behavior. This peculiar 'puffy' world challenges existing theories and opens up new avenues for research in astronomy. Its unique characteristics could provide insights into the formation and evolution of planets, making it a significant find in the field.
SpaceX Starship travels halfway across world in successful test flight – video
PositiveScience
SpaceX's Starship has achieved a remarkable milestone by successfully completing its 11th test flight, traveling halfway around the world while deploying mock satellites. This test follows a previous successful flight in August, marking a significant turnaround after earlier failures. This achievement not only showcases the advancements in rocket technology but also brings us closer to future space missions, making it an exciting development for space exploration enthusiasts.
To Meet Pledges to Save Forests Spending Must Triple, U.N. Report Says
PositiveScience
A recent U.N. report highlights the urgent need to triple spending to meet global pledges aimed at saving forests. This is crucial as forests play a vital role in combating climate change, preserving biodiversity, and supporting livelihoods. By increasing financial commitments, countries can better protect these essential ecosystems and ensure a sustainable future for generations to come.
From caves to the cosmos | Space photo of the day for Oct. 14, 2025
PositiveScience
ESA astronaut Marco Sieber's recent CAVES training in the Apennines of Italy highlights the importance of preparing for future space missions. This unique training program, which takes place in underground caves, helps astronauts develop essential skills for exploring other planets. By simulating the challenges of space exploration in such environments, Sieber and his colleagues are better equipped to handle the unknowns of the cosmos. This initiative not only enhances astronaut training but also emphasizes the significance of teamwork and problem-solving in extreme conditions.
New hydrogen battery can operate four times colder than before — meaning denser and longer-lasting EV batteries
PositiveScience
A groundbreaking hydrogen battery has been developed that can function at temperatures four times colder than previous models, allowing for denser and longer-lasting electric vehicle batteries. This innovation is significant because it could revolutionize the way hydrogen is utilized as an energy source, making it more efficient and practical for widespread use in the automotive industry.