Candela was chosen so that the new definition would precisely match the old definition. Although the candela is now defined in terms of the second (an SI base unit) and the watt (a derived SI unit), the candela remains a base unit of the SI system, by definition. If a source emits a known luminous intensity "I" (in candelas) in a well-defined cone, the total luminous flux "Φ" in lumens is given by where "A" is the "radiation angle" of the lamp—the full vertex angle of the emission cone. For example, a lamp that emits 590 cd with a radiation angle
What Does It Take (To Keep a Man Like You Satisfied) What Does It Take (To Keep a Man Like You Satisfied) "What Does It Take (To Keep a Man Like You Satisfied)" is a song written by Jim Glaser, that was recorded and released as a single in 1967 by American country artist, Skeeter Davis. Jim Glaser was a member of the popular country music group, Tompall and the Glaser Brothers. "What Does It Take (To Keep a Man Like You Satisfied)" was recorded at the RCA Victor Studio in Nashville, Tennessee, United States on May 1, 1967, one month before it was released. The session was produced by Felton