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New ideas. Good company.
Surveys6 min read
The problem with measuring only the people who reply
A response rate counts missing voices, but bias depends on what those voices would have said. Real survey comparisons show why the same respondents can support one estimate better than another.
Manuscripts5 min read
How the Archimedes Palimpsest Became Readable
Why the Archimedes Palimpsest needed years of conservation, dissatisfied readers, and careful metadata before its spectacular images became useful evidence.
Useful images2 min read
Your stock photo has a great smile and no answers
A photograph can help me understand the visit, the room or the thing I am buying. Sometimes it just introduces another cheerful stranger while the useful detail stays hidden.
Haushalt3 min read
Die schief gefaltete Wäsche darf im Schrank bleiben
Eine kleine Übung in Familienarbeit und darin, den eigenen Ordnungsgeschmack nicht zum Maßstab für Kinder zu machen.
Fog6 min read
Why fog gathers in the low field
A hollow can cool and collect air until water vapour becomes suspended droplets. The fog's edge records a local balance of ground cooling, moisture, drainage, and wind.
Writing Systems5 min read
The sounds a writing system chooses to leave out
Arabic and Hebrew often leave short-vowel marks off the page, yet their spelling still offers letters, patterns and context. Optional marks let a writer adjust the help a reader receives.
Coastlines5 min read
Why a coastline has no single simple length
A coastline figure depends on the chosen waterline, the inlets and islands counted, the map's resolution and the survey date. Those choices explain why two careful measurements can differ.
Distributed systems5 min read
The paths that put events in order
Ordering log lines is easy. Explaining which event could influence another requires a more careful account of distributed time.
Quality4 min read
What a peptide certificate of analysis does and does not prove
A purity percentage answers a defined analytical question. Identity, amount, sterility, endotoxins, clinical benefit and regulatory approval each require their own evidence.
Printmaking6 min read
Why a woodcut wears differently from an engraving
A woodcut prints from raised ridges; a copper engraving holds ink in grooves. Breaks, softened lines and retouching leave different clues in successive impressions.
Thermometry6 min read
What a thermometer really comes into contact with
A contact thermometer measures its sensing element. Its reading represents a pipe, liquid or patch of air only when placement, heat paths and settling time make that element a faithful stand-in.
Statistics5 min read
Why a confidence interval has a method behind it
The familiar 95% label belongs to a sampling and calculation method. A small clean sample shows how one formula can erase uncertainty, while another keeps the limit visible.