![Spark from CBC Radio show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/020/138/small/cbc-radio-spark.jpg)
Summary: Christina Crook and Mary Robinette Kowal on the return to letter writing. Robert Brumley on designing a city with no people. Denis Grignon on the closing urban-rural tech divide. Kristen Haring on the beauty of binary systems.
Summary: Christina Crook and Mary Robinette Kowal on the return to letter writing. Robert Brumley on designing a city with no people. Denis Grignon on the closing urban-rural tech divide. Kristen Haring on the beauty of binary systems.