no, dv tapes are newer and come in 3 sizes, whereas 8mm tapes are all the same size, roughly that of a music casette
you can ther big money sony makes one 500-800 range that's the only unit that is out there go on eBay and lok for one...good luck
The specific heat of water = 4.184 [J.g-1K-1] at T=293K. .
no
As of 2008, the greatest storage capacity is 1 TB, but this may change as technology improves.