The result is a pale blue luminescence whenever the solution meets blood, which itself is a consequence of a chemical reaction that the blood gives a helping hand to. Here, we look at this reaction â and what horseradish has to do with it. Luminol, known chemically as 5-Amino-2,3-dihydro-1,4-phthalazinedione, isnât used in the CSIâs mysterious spray bottle on its own. Itâs joined by a number of other chemicals which are just as vital for the reaction to take place.
â¢ DISK DRIVE (noun) The noun DISK DRIVE has 1 sense: 1. computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it. Familiarity information: DISK DRIVE used as a noun is very rare.
Making the world better, one answer at a time. A hard disk is a type of hard drive; it is the type of hard drive that involves magnetic platters and spinning parts. There are other types of hard drives, namely Solid State Drives (SSDs). These use flash memory, and, true to their name, have no moving parts. hard disk drive is the motor and controller of the hard disk, which is the set of platters and spindle. Various users will use these terms in different or identical ways. T â¦ echnically the disk is just the aluminium or glass disk that is coated with a magnetic surface.