​In this 18th episode, Craig Chapman explores the unwavering honesty of the spirit level, a tool that remains the ultimate arbiter of truth in an inherently wonky world. From Melchisédech Thévenot’s 17th-century discovery that alcohol (spirits) makes for a better bubble-vessel than water, to the modern use of fluorescent fluorescein to provide that signature radioactive glow, Craig tracks the journey of the horizontal.

​The episode features a personal investigation into Craig’s own refrigerator and its 1.2-degree lean toward the kitchen door—a discovery that has significantly altered his kitchen-based equilibrium. In the "What Do I Have Here?" segment, Craig examines the industrial silence and questionable mint flavoring of a 40-meter container of unwaxed dental floss.

​This episode also inclu ...