Viewing profile — fierybanana

https://eatrightindia.gov.in/dart/ Is the website by the government of India that shows relatively easy ways to test for a variety of common adulterants

Here's a paper going into some technical details of blind spots and how to overcome them: https://doi.org/10.4271/950601 The Geometry of Automotive Rearview Mirrors - Why Blind Zon…

This might be relevant: https://forum.justgetflux.com/topic/2446/blue-light-and-the-...