sandwich

A man spends six months and $1500 making a chicken sandwich entirely from scratch: growing vegetables, making salt from seawater, milking a cow for cheese, grinding wheat, collecting honey and killing a chicken.

Ned Batchelder's PyCon 2012 talk gives a quick overview of what Unicode is, then focuses on what a Python programmer needs to handle text correctly. It presents the 'Unicode sandwich' strategy: decode bytes at input, work with Unicode internally, encode at output.

David Spiegelhalter, Professor of the Public Understanding of Risk, uses statistics to weigh everyday risks such as bacon sandwiches and cycling. The six-minute piece introduces micromorts as a way to compare the risk of dying.

A family video in which kids write instructions for making a peanut butter and jelly sandwich and a parent follows them exactly as written, with comic results. It demonstrates how precise instructions must be.

A family comedy video in which kids write instructions for making a peanut butter and jelly sandwich, and a parent follows them with exact literalness, producing chaos. This is the classroom-friendly version.