Power density refers to the energy flow that can be harnessed from a given unit of volume, area or mass.

FORBES: Magazine Article

Damon plays Roy Miller, a U.S. soldier who leads a unit of men looking for weapons of mass destruction.

NEWYORKER: Green Zone

Energy density refers to the quantity of energy that can be contained in a given unit of volume, area, or mass.

FORBES: Magazine Article

Goodfellow's unit has so miniaturized the mass screening of such compounds that machines now replicate the countless experiments in pinhead-size droplets--1, 536 tiny wells on envelope-size plates--a process that formerly took humans untold man-hours.

FORBES: Magazine Article

Another unit of the prison houses such notorious inmates as mass killer Charles Manson and Sirhan Sirhan, the convicted assassin of Sen.

CNN: Actor Robert Downey Jr. checks into rehab facility

Tests carried out by the toxicology unit of Ain Shams hospital in Cairo revealed that contaminated food was responsible for the mass food poisoning.

BBC: Egypt students storm office of top al-Azhar cleric