Media Summary: At the Royal Astronomical Society discussing the much-loved but sometimes misguided Henry Perigal. More links below ... Who needs a pendulum when you have a rolling metal ball?! More on 23andMe: Brady samples three famous armchairs spanning 300 years at The Royal Society. More links below ↓↓↓

The Repeating Circle Objectivity 143 - Detailed Analysis & Overview

At the Royal Astronomical Society discussing the much-loved but sometimes misguided Henry Perigal. More links below ... Who needs a pendulum when you have a rolling metal ball?! More on 23andMe: Brady samples three famous armchairs spanning 300 years at The Royal Society. More links below ↓↓↓ We look at a hard problem based on Problem 23 of the 2008 HS Purple Comet Math Meet. It involves some interesting We find some weird and wonderful clock-related objects in a secret room at the British Horological Institute Museum. More on ... We take a trip to the British Horological Institute Museum at Upton Hall. More on 23andMe:

(8 mai 2026/ May 8, 2026) Colloque des sciences mathématiques du Québec/CSMQ. Parallels, Tangents, and Loops: Reflections on the 'Through' Part of RtD Audrey Desjardins; Cayla Key DIS '20: The ACM ... Brady and Keith look at a trophy awarded to Daniel Ross FRS for his bravery at sea in the early 19th Century. Subscribe to ... We head down to the vaults to search for some historical plant specimens - and we're not disappointed! More links below ...

Photo Gallery

The Repeating Circle - Objectivity 143
The Man Who Loved Circles - Objectivity 142
Borda Repeating Circle
Rolling Ball Clock - Objectivity 138
Three Famous Chairs - Objectivity 145
A challenging repeating circles problem
The Hidden Clock Room - Objectivity 144
Hall of Clocks - Objectivity 128
Almut Burchard: Symmetry-breaking in geometric capacitor problems
Parallels, Tangents, and Loops: Reflections on the 'Through' Part of RtD
The American Vase - Objectivity 90
Forgotten Plant Specimens - Objectivity 139
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The Repeating Circle - Objectivity 143

The Repeating Circle - Objectivity 143

The repeating circle

The Man Who Loved Circles - Objectivity 142

The Man Who Loved Circles - Objectivity 142

At the Royal Astronomical Society discussing the much-loved but sometimes misguided Henry Perigal. More links below ...

Borda Repeating Circle

Borda Repeating Circle

Diagram explaining how a Borda

Rolling Ball Clock - Objectivity 138

Rolling Ball Clock - Objectivity 138

Who needs a pendulum when you have a rolling metal ball?! More on 23andMe: https://www.23andMe.com/

Three Famous Chairs - Objectivity 145

Three Famous Chairs - Objectivity 145

Brady samples three famous armchairs spanning 300 years at The Royal Society. More links below ↓↓↓

A challenging repeating circles problem

A challenging repeating circles problem

We look at a hard problem based on Problem 23 of the 2008 HS Purple Comet Math Meet. It involves some interesting

The Hidden Clock Room - Objectivity 144

The Hidden Clock Room - Objectivity 144

We find some weird and wonderful clock-related objects in a secret room at the British Horological Institute Museum. More on ...

Hall of Clocks - Objectivity 128

Hall of Clocks - Objectivity 128

We take a trip to the British Horological Institute Museum at Upton Hall. More on 23andMe: https://www.23andMe.com/

Almut Burchard: Symmetry-breaking in geometric capacitor problems

Almut Burchard: Symmetry-breaking in geometric capacitor problems

(8 mai 2026/ May 8, 2026) Colloque des sciences mathématiques du Québec/CSMQ.

Parallels, Tangents, and Loops: Reflections on the 'Through' Part of RtD

Parallels, Tangents, and Loops: Reflections on the 'Through' Part of RtD

Parallels, Tangents, and Loops: Reflections on the 'Through' Part of RtD Audrey Desjardins; Cayla Key DIS '20: The ACM ...

The American Vase - Objectivity 90

The American Vase - Objectivity 90

Brady and Keith look at a trophy awarded to Daniel Ross FRS for his bravery at sea in the early 19th Century. Subscribe to ...

Forgotten Plant Specimens - Objectivity 139

Forgotten Plant Specimens - Objectivity 139

We head down to the vaults to search for some historical plant specimens - and we're not disappointed! More links below ...