In this episode, Craig Chapman returns from a necessary three-week recalibration period to explore the structural majesty of the world’s most common brown rectangle.

After a brief, structurally sound apology for his absence and a moving observation of a bathtub-dwelling spider, Craig peels back the layers of the corrugated cardboard box.

We journey from the sweat-prone Victorian gentlemen who wore cardboard as hat liners in 1856 to Robert Gair’s fortuitous printing mistake in 1879 that gave us the flat-pack revolution.

​Highlights include:

• ​The Physics of the Flute: Why your toaster is supported by the same architectural principles as a Roman aqueduct.
• ​What Do I Have Here?: A deep dive into "Arthur," a 12-centimeter vulcanized rubber door wedge.
• ​ ...