I conducted an experiment: If you type out the full name of a JMR marble on Google, how likely is it to direct you to the corresponding wiki page? If the wiki
File:Taschenlampe - Reflektor-Linse.jpg - Wikipedia
File:Holophotal Reflektor.png - Wikimedia Commons
Arcade Fire - Wikipedia
What is the purpose of this "Reflektor Detector" on the exterior wall of our house? It's next to an electrical outlet but has no effect on the power flow to the outlet