ots.Audio: BASF Podcast: The Chemical Reporter - What makes a refrigerator cold?
Ludwigshafen (ots) - To make it short: The cold does not come into the refrigerator. Instead, the warmth goes out. Technically speaking, a refrigerator cannot produce coldness. That sounds a bit strange at first, yet the operation principle of a refrigerator is based on a simple law of nature. ...