Analysis

A design for passwords with system-assigned randomness and user choice July 2023 Stephen Hewitt
Making coffee from unground beans Using a vacuum flask and hot water
Measured efficiency of an induction hob and an electric kettle heating water Kettle ~84% and induction hob ~79% efficient heating to below boiling point
Illustrating two causes of inefficiency in electric kettles sold in the 2020s Heat storage and delayed cut-out
Notes on the radiation spectrum for solar heating and sky cooling Selective coatings, glass tranmission spectra
Higher net power from a solar kettle heating water in glass rather than copper A parabolic trough concentrating sunlight through the walls of glass bottles
Testing cheap insulators on a home-made parabolic trough solar kettle In wind and still air, bubble wrap and silicone tube on a 22mm horizontal copper pipe.
Trying bubble wrap as an insulator for a home-made solar kettle 2022 Bubble wrap, silicone tubing and bare copper compared
Trying silicone tubing as an insulator for a home-made solar kettle 2022 Performance comparison measurements in a parabolic trough
A recipe for meals of natural ingredients cooked with only a kettle Observations made using vegetables, oats and eggs
Lepron project part 4: pseudowords with entropy of 3.5 bits/letter from trigrams Possible applications include pronounceable passwords and usable public key authentication
Experiences using a fruit-picker tool with a grabber claw for apples Two drawbacks that may not be obvious
A home-made solar kettle, its performance and its problems 2022 A mug of tea in 10 minutes from copper pipe in a parabolic trough
Empirical explorations of faster Fermat factorisation, part 9 A technical article: measurements of speed of combining two filters in parallel
Empirical explorations of faster Fermat factorisation, part 8 A technical article: combining two filters
A reader's guide to Clarion style and values If a reader knows what to expect, a text is more meaningful
Empirical explorations of faster Fermat factorisation, part 7 A technical article: speed benchmarks of tuned and untuned YAFU filtering.
An idea for human-friendly hex strings in cryptographic key fingerprints August 2022 Stephen Hewitt
Empirical explorations of faster Fermat factorisation, part 6 August 2022, A technical article - more empirical maths observations
Empirical explorations of faster Fermat factorisation, part 5 August 2022, A technical article - experiments with filtering
Empirical explorations of faster Fermat factorisation, part 4 August 2022, A technical article - experiments with filtering
The idea of moist air as a heat transfer fluid in energy-efficient home heating Moist air as a heat transfer fluid in radiators and solar collectors
Empirical explorations of faster Fermat factorisation, part 3 March 2022, A technical article - experiments with filtering
Empirical explorations of faster Fermat factorisation, part 2 February 2022, A technical article - simple algorithm in GPL software
Empirical explorations of faster Fermat factorisation, part 1 February 2022, A technical article - optimisations for a simple algorithm
Reporters protecting sources: in 2021 Reuters removed a clause from its “Standards and Values” web page January 2022 Analysis of archived web pages
Lepron project part 3: A first attempt at pronounceable passwords using dice for quantified strength September 2021 An open source project by Stephen Hewitt
Lepron project part 2: towards public key authentication without central authority using names made of pseudowords August 2021 An open source project by Stephen Hewitt
Lepron, a project to develop pronounceable pseudowords for representing binary strings - Part 1: introduction and goals May 2021 An empirical investigation by Stephen Hewitt
An idea for public key authentication from a name without certificates or central authority May 2021 Stephen Hewitt
Towards a philosophy, theory and practice of reporting, part 1 16 April 2021, Stephen Hewitt
A personal script for a guided body scan “meditation” or attention exercise 28 December 2020, Stephen Hewitt
A simple way to represent cryptographic key fingerprints 7 June 2020, Stephen Hewitt. The 5th Clarion data privacy article
Darwinian theory: “huge disparity” between public presentation and scientific literature 12 September 2013 quotes from Stephen Meyer author of Darwin's Doubt
UK tax-efficient charity: a way to quadruple a donation The little-used potential of the UK's 2012 lower rate inheritance tax
Stealing public housing money: a reported historical method An extract from The Practice of Journalism by Bruce Porter & Timothy Ferris, 1988
Manual encryption with a one-time pad revisited March 2019, Stephen Hewitt. The 4th Clarion data privacy article
How to remember a 128-bit key using ‘constrained choice’ August 2018, Stephen Hewitt. The 3rd Clarion data privacy article
How to remember a provably strong password: a new way using ‘constrained choice’ July 2018, Stephen Hewitt. The 2nd Clarion data privacy article
How to use beads to generate random letters and numbers by hand 22 September 2017, Stephen Hewitt. The first Clarion data privacy article
Film review: 'I Am Not Your Negro' 2017, director Raoul Peck
Bomb Syria says associate of president of Palestinian charity MAP January 2015, by Stephen Hewitt
Book review: "Why we hate politics" A book by Colin Hay, Polity Press
Cancer virus book mentions Epstein, Rous and Rockefeller Institute 2014 Notes on Cancer Virus, Crawford, Rickinson & Johannessen, OUP, 2014
Ancient document on undermining society, by Sun Tzu of Tsin dynasty From Concise History of Great Nations, China, Otto Zierer, translated by Godfrey Ivins, Hamlyn Publishing Group Limited, 1978
EU will force new cars to have positioning and cell phones after Oct 2015 Calling all cars, James Hayes, p58, Engineering and Technology, Volume 9, Issue 3, April 2014
Syd Barrett, LSD and brain damage 2001 interview broadcast on BBC4
Notes on Seymour Hersh's book on 1983 Soviet shootdown of flight KAL 007 Notes on "The target is destroyed what really happened to flight 007", Seymour Hersh, Faber and Faber, 1986
Are “cluster bombs” aerially-deployed landmines? by Stephen Hewitt 9 October 2006
Not quite as it seems? 1994 BBC documentary's depiction of the removal of Lenin's statue in Russia Stephen Hewitt
Film review: Dreams of Sparrows (Iraq, 2006) 10 July 2006 shown in Cambridge, director Hayad Daffar. Life in post-invasion Iraq.
Compilation of information on ‘Strategic Investment’ newsletter May 2006
Deception and the toppling of Saddam Hussein's statue in Firdos Square, Baghdad, 9 April 2003 A compilation of information
Drug companies, the re-creation of the 1918 'flu, and so-called bird 'flu 18 March 2006 Channel4 Television's Equinox - notes
Secret physical intimidation during court testimony in USA 16 April 2006
Marshall Plan money made propaganda films for European common market says BBC documentary "Animation Nation", BBC Bristol 2005, Produced and directed by Merryn Threadgould
A compilation of deaths .
Al-Jazeera television: a compilation of information From 2005 onwards
Inconsistency in Mirror purported Diana letter quotes 8 January 2004 Daily Mirror is inconsistent with 20 October 2003 Daily Mirror
Film review: The Hidden Wars of Desert Storm A film produced by Gerard Ungerman and Audrey Brohy, 2000
The Prime minister's fraudulent Iraq dossier of January 2003 A compilation of information, 21 February 2003
Objective reporting? Press coverage of London demonstration of 2 March 2002 Analysis of 3 March 2002 reports from Observer and Sunday Independent
Pearl Harbor and 11 September 2001 Two books on Japanese attack on Pearl Harbor
Bush prepares to kill for Power 8 February 2002 by Guy Roberts
Daily Express misrepresented Taliban story of its own reporter “The copy bore no relation to the headlines” - reporter Yvonne Ridley
Misleading British press coverage of demonstration in Rome on 10 November 2001 Analysis of 11 November 2001 Observer report
La stampa britannica ed una manifestazione a Roma contro la guerra 11 Nov 2001