September/October 2021

Weathering Changes
Inside Track

Weathering Changes

By Eric P. Harding
I’ve been thinking a lot lately about transitions. Maybe my musings are brought about by the advent of a new school year; my kids are gearing up for a return to in-person instruction as I’m writing this, and the excitement is palpable.

A Robot That Can Change Your Mind
Feature

A Robot That Can Change Your Mind

By Srivathsan Karanai Margan
Chatbots are software programs that were originally designed to mimic human conversations. Over the years, technological growth in artificial intelligence (AI) and natural language processing (NLP) has resulted in tremendous progress in the capabilities of this humanized interface.

Multigraphs
Puzzles

Multigraphs

By Stephen Meskin
I came across the following interesting problem from the 61st Annual International Mathematical Olympiad (IMO), which was held remotely on Sept. 20 & 21, 2020. The IMO is the world’s leading mathematical competition for high school students.

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