Synopsis

We readily accept our control over cold – from the hum of air conditioning and the convenience of frozen meals to the liquid gases and superconductivity that power modern technology. Yet, what truly *is* cold? How is it achieved, and to what depths can it descend? This two-part NOVA special illuminates the history of this enduring fascination with frigidity, bringing to life pivotal moments in low-temperature research and the relentless pursuit of ever-lower temperatures through vivid dramatic r