Our 10 ships all offer something a little different, but the one thing they all have in common is they're built to make your vacation everything you wanted-and then some.It's no wonder that Celebrity cruises are consistently ranked the best in the world.ur 10 ships all offer something a little different, but the one thing they all have in common is they're built to make your vacation everything you wanted-and then some.
photovoltaic cell (PV Cell) A photovoltaic cell (PV cell) is a specialized semiconductor diode that converts visible light into direct current (DC). Some PV cells can also convert infrared (IR) or ultraviolet (UV) radiation into DC electricity.
(used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity. 2. (used with a plural verb) devices designed to perform such conversion. Origin of photovoltaics. 1975-1980.