Cambridge Clarion

Photographs of a caterpillar of the oak eggar moth (Lasiocampa quercus) found in the countryside in southern England on 4 May 2022.

A fruit-picker is a long pole with something at the end to collect fruit from high branches without climbing the tree.

The photographs here show the wildflower Alexanders (Smyrnium olusatrum) growing in Cornwall in May 2022.

This article reports in outline a home-made solar kettle and its initial performance.

This is the Part 9 in a series of technical articles presenting original work on speed optimisation of the Fermat factorisation algorithm.

This is the eighth in a series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

The photographs here show a garden spider (Araneus diadematus) as found in the English countryside in September 2021.

On the premise that a reader's understanding of a text depends on the the context in which it is understood to be written, here is a guide the conventions and values of this website.

On Saturday 2 March 2019, a demonstration with dozens of people standing was blocking Mill Road in central Cambridge.

This is the seventh in a series of technical articles presenting original work towards a fast open-source, free software implementation of the Fermat factorisation algorithm.

The idea proposed in this article is a new form of hex string where the digits in the existing form are replaced with other letters beyond a-f, resulting in a string of pure letters.

This is the sixth in a series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

This is the fifth in a series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

This is the fourth in a series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

The photographs here show a banner with “Save our tree-lined avenues” at a house in Cambridge in September 2017 and the street where it was.

Here is a 2017 photograph of a plaque inside Darwin College commemorating its foundation in 1964 by three other Cambridge colleges including Trinity.

Photographs of a helicopter with “POLICE” on the side and “G-NEAU” on the tail, as seen over Cambridge on 24 September 2017.

The photographs here show silver Y moths (Autographa gamma), as found in the countryside in England in September 2021.

Could using moist air as a heat transfer fluid increase energy efficiency in the design of a domestic central heating system or solar heating system?

The photographs here show an unidentified tachinid fly found on a bramble leaf in the countryside in England in August 2021.

The photographs here show a knot grass caterpillar (Acronicta rumicis) as found feeding on creeping thistles (Cirsium arvense) in the English countryside in June 2022.

The photographs here show dozens of lackey moth caterpillars (Malacosoma neustria) with black, blue, yellow and white stripes along their bodies, on a communal cocoon in the English countryside in May 2022.

Starting with ground coffee but without equipment such as a filter or a cafetière, here is a simple way to make a cup of coffee that I have used almost every day for six months.

This article presents statistics for web page requests for cambridgeclarion.org where the User Agent string purported to be that of a search engine spider (also called a crawler or bot).

Photographs of a hairy caterpillar with black, orange and blue rings around its body as found on brambles in a hedge in Cornwall in November 2021.

A press cutting from the archives.

A press cutting from the archives.

This article reports the result of a successful personal attempt to find an arrangement of keyboard, mouse and monitor for lying down comfortably while using a computer.

Photographs of the Metro Bank branch in Cambridge in January and Februrary 2019

A press cutting from the archives.

The photographs here, taken in June 2017, show a heron in a close-up view, and also its surroundings.

The photographs here, taken in October 2021, show a common field grasshopper (Chorthippus brunneus) in a close-up view, and also its surroundings.

The photographs here, taken in October 2021, show a fox moth caterpillar with a close-up view, and also its immediate surroundings.

The photographs here show details of the structure of a mould on a fragment of walnut.

This is the third in a series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

This is the second in a series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

This is the first in a planned series of technical articles presenting original work towards an open-source, free software implementation of the Fermat factorisation algorithm optimised for speed.

In September 2021 I put a normal-looking caterpillar into a glass jar, intending to photograph it.

The photographs here show a metallic gold areas on an unidentified chrysalis that was discovered hanging on a leaf in a vegetable patch in England on 29 September 2022.

In 2021 Reuters removed a statement that its journalists “always protect their sources from the authorities” from its “Standards and Values” web page at https://www.reutersagency.com/en/about/standards-values/, according to historical copies of the web pa…

The photographs here show a bust of Osman Kazazi on a column in the centre of Tirana, Albania in 2009.

This is a photograph of a man sitting in the centre of Tirana, waiting to sell cigarette lighter refills from an aerosol can.

An extract from a book of reporting: ‘Tell me no lies investigative journalism and its triumphs’ edited by John Pilger, (Vintage, 2005).

This article presents tables which allow the creation of a pronounceable password by casting dice, without using a computer.

Photographs of a cabbage white butterfly, otherwise known as a large white butterfly, (Pieris brassicae) with a cluster of eggs she has just laid on the underside of a leaf of cultivated cavolo nero kale, in August 2021, England.

Photographs of a six-spot burnet moth, active in the day.

This is the second article in a planned series of technical articles about Lepron, an open-source project to develop a system for representing arbitrary binary strings as pronounceable pseudowords.

This article introduces an open-source project called Lepron which will develop a system for representing binary strings in a more human-friendly way than the current widely-used hexadecimal.

The photographs here show a handwritten letter and a compliment slip which I discovered by chance in the pages of a copy of a book ‘Wisdom, Madness and Folly: the Philosophy of a Lunatic’ by John Custance (1951).

This is a significant update to this article on an idea for authenticating a public key from a name including discussions of security aspects and sections on further work.