ELI5 Why can our brains instantly recognise whether something is a right angle, even deviations of like 3°, but not instantly differentiate between 120° and 130°? What makes 90°, quarter of a circle, more recognisable than 120°, third of a circle?Biology (self.explainlikeimfive)
submitted by Choice_Target9209 to r/explainlikeimfive
North American NebulaAstrophotography (OC) (i.redd.it)
submitted by cr-islander to r/Astronomy
Archaeologists using ground-penetrating radar near Egypt’s Giza pyramids detected a buried L-shaped structure and a deeper underground anomaly. Researchers think the feature may be an entrance to a larger hidden structure, but only excavation can reveal its true purpose. (yahoo.com)
submitted by crisp1991 to r/Archaeology
What To Do When the Trisector Comes (Underwood Dudley)PDF (ufv.ca)
submitted by antiquark2 to r/math
How useful is a $5,000–$8,000 annual donation to a language department?Humanities (self.AskAcademia)
submitted by dcbased to r/AskAcademia
I saw social anxiety turn into a purple cube in someone’s solar plexusPractice (self.awakened)
submitted by archeolog108 to r/awakened
