Quellenarbeit
7 cards from across every topic, each citing a source. Tap one to open it in the feed.
- A fingerprint lies less often than a letter.
Sources split into two kinds. Relics arise incidentally: tools, rubbish, invoices, fingerprints. Narratives are told …
- How to check whether a photo is really from today.
Reverse image search compares colour, shape and texture rather than words: the service computes a compact fingerprint …
- How to open a web page that has been deleted.
The Internet Archive has been collecting web pages since 1995 and has offered them as the Wayback Machine since October …
- How to read a scraped-off text after 800 years.
Parchment was expensive, so old writing was washed off and new text written over it. The Archimedes Palimpsest, copied …
- How to spot that ten sources are really one.
In circular reporting an unsourced claim moves from a Wikipedia article into a news story and returns as a footnote in …
- Nobody mentioning it almost never proves it did not happen.
A source's silence carries weight only under three conditions: the author meant to be exhaustive, would have noticed …
- One detail in the wrong era exposes any forgery.
An anachronism is an object, word or custom that did not yet exist in the depicted period. Renaissance painters show …