Our curator of transportation discusses how the convertible became the coolest car on the road with host Mo Rocca, who also shows us a water-filled blanket, a way to keep police dogs safe, and an air filtration system made of plants.

Our curator of transportation discusses the evolution of firefighting with host Mo Rocca, who also shows us the art of aluminum cans, 3D-printed parts for classic cars, and a portable chair that packs down to the size of a water bottle.