We begin our exploration of Calculus with the definition of a function. We then look at curves and get a rough idea of what we mean by smooth and continuous.

People are too raw right now. Maybe sarcasm isn't the way to go.

When choosing moments in time, take care not to focus too much onthe highlights and lowlights. Also, shooting spaghetti bullets, an old person in the McDonalds drive through, shot on an iPhone, heatpumps working in extreme cold. Maggie's link to a great prize for Eagles fans and David Smith on the position of the hour and minute hands.

This week's video is a talk I gave on AsyncStreams in Paris as part of Swift Connection 2023.

We start with two lessons: begin and keep going. And then we look at the knots we tie ourselves into.

Fairness must be adjustable. Also, the lights of Trafalgar Square, the history of earth, the case of Mr. Coyote, Maggie's links to questions teachers are asked and comments grandmas make, and where the term "cursor" comes from.

This week's video is a talk I gave on Data flow in SwiftUI from Pragma Mark 2023.

The joy, privilege, and importance of voting.

Unintended consequences of a reliable test. Also, Sally Snowman kicks ass, adding 'for a man', Thanksgiving advice, the Natural Landscape photography awards, Maggie's link to a Canadian diver, and Staya on OpenAI.

We look at two of Zeno's paradoxes. Achilles vs the Turkey (for Thanksgiving) and the Stadium to prepare for a discussion of limits.

Making a difference in just one life.

On avoiding some holiday sales. Also, revisiting exposure guidelines, thoughts on the fantasy genre, Ice festivals inside and out, Maggie's link to a zoo keeper who maintains peace, and the UnitCurve.

This time we look at an ancient way of calculating the area of a circle from ordinary triangles.