Scanners have gotten better recently, meaning they can tell the difference between water and explosives, but these restrictions weren’t pulled out of thin air like many others.
https://en.m.wikipedia.org/wiki/Security_repercussions_due_to_the_2006_transatlantic_aircraft_plot
There was a thwarted terrorist plot to use drink bottles to hold explosives.
Bon aniverse hair
Some Brits, especially young ones, are t-flapping as well now
Continuous.
Instead of jumping from 1 to 2 to 3, we move smoothly across all (typically real) numbers. Obviously this would go to infinity almost every time because there are infinite real numbers between any two distinct real numbers. So instead, we merge it into a bunch of skinny rectangles with their bottom on the x axis and the top at the value of the function for the start of the rectangle. As we shrink the width of the rectangles, it approaches the continuous notion.
Continuous means “smooth” - there are no jumps Discrete means there are jump
There’s a guy on YouTube who, among other things, makes language intelligibility videos. Here’s the one he did on how well German speakers can understand Old English