1. Why Light Travel Shortest
Fermat’s principle for least time
Not only light, but all physical systems. Nature has a laziness principle
Feynman’s explain: quanta take every possible path, the least time path have the most influence on particles behavior
2. Bird Classification
Class: Ave
Order: Passeriformes, Accipitriformes, Anseriformes
Family:
Genus
Species
3. Jewish: Culture or Race
As religion: people who follow Judaism are called Jews
As ethnic: can be Sephardi, Ashkenazi, Mizrahi
- not all ethnic Jews practice Judaism
3.1. Israel
The land now Israel is considered homeland of the Jewish people (ethno-cultural groups)
Modern state: 1948, advocated for the re-establishment
Citizenship: follow the Law of Return
- Grant every Jew the right to come to Israel and be granted citizenship
- Who? Born of a Jewish mother or has converted to Judaism
- How: documents show a connection to a recognized Jewish community / conversion documents / interview