King George III

The Discovery of Longitude

People knew how to find their north-south position even before we had the idea of "latitude." But once people lost sight of land, they didn't have reliable way of figuring out how far east or west they'd gone - how to measure their longitude.

Caroline Herschel: Astronomy's Cinderella

Herschel managed to break the barrier of women in scientific fields far earlier than you might suspect, in part because of her association with her brother, and in equal measure due to her steadfast dedication to her work. Read the show notes here.