A One-Time Poultry Farmer Invents the Future of Refrigeration

Mechanical cooling revolutionized the global food supply—and accelerated global warming. Peter Dearman’s liquid air engine could change all that.

A One-Time Poultry Farmer Invents the Future of Refrigeration
Mechanical cooling revolutionized the global food supply—and accelerated global warming. Peter Dearman’s liquid air engine could change all that.