Comparison between an unsorted and a luminance sorted candidate set, using Knoll’s algorithm on an 8-colour irregular palette. Left to right: unsorted, sorted.
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The Origins of AgarFirst introduced into laboratories in 1881, agar remains indispensable as a culture medium.Corrado Nai and Asimov Press
"Moving forward, age verification measures that verify age without retaining unnecessary personal identity information, and are transparent about data handling, are key," he said.
Not the day you're after? Here's the solution to yesterday's Mini Crossword.