Outdoor components of a residential air-source heat pump. A heat pump is a device that transfers heat energy from a source of heat to a destination called a heat sink. Heat pumps are designed to move thermal energy in the opposite direction of spontaneous heat transfer by absorbing heat from a cold space and releasing it to a warmer one.
Mini Bio (1) Screamin' Jay Hawkins was best known for his song I Put a Spell On You,  which he recorded on the Okeh label in 1956 and which helped win him cult status in the United States, Europe and Japan.
The Sheryl Crow version reminds Rachel Batson of a very difficult phase in her life; it's a song she says reflects her own faith journey. And former Radio Caroline DJ, Keith Hampshire, describes the circumstances that led to him having a No.1 hit with the song in Canada. It was the first time 'First Cut' reached No.1 anywhere in the world. Producer: Karen Gregor.