ergonomics

Kirsten Dirksen visits architect Gary Chang's 32 square meter Hong Kong apartment, which he has redesigned over decades. Sliding walls and transformable furniture turn it into 24 different room configurations.

A tour of Christian Schallert's 24 square meter apartment in Barcelona, designed so that it looks like an empty cube until he builds the furniture he needs. Kirsten Dirksen shows how the space is transformed for cooking, sleeping and dressing.

A 1936 Chevrolet promotional drama, 'Master Hands', showing car manufacturing from foundry to finished vehicle in Flint, Michigan. It is a National Film Registry selection and a record of early mass production.