Black belt in Mikado, Photo model, for the photos where they put under ‘BEFORE’
ReviOS for the Windows user. It’s not a OS, but a collection of scripts which convert Windows in what it should have been.
Relation 1 to SQR 2, from A0 of 1m2 to A5 letter format (A4, A5 most used in the EU), every time the half of the next bigger format. Easy to remember.
Authors are not conspiranoics
Have you read the paper, also the references at the end? Or is that you belief more in little green mens instead of plasma phenomenons, which explains a lot of the Unidentified Flying Objects?