Cast Aluminum, it is incredibly lightweight and strong- with the exception of the 320CDI engine that is made of forged steel, the diesel engine has a much higher compresion ratio and requires more reinforcement.
doxycart
yes
Yes. Boring is simply the process of removing material from the cylinder bore, usually measured in hundredths of inches; .010, .020, etc. However, there are downsides. Stock engine blocks often don't have sufficient material and boring may weaken the cylinder walls. Boring will also require new oversized pistons and rings.
It is lighter than cast iron
No material. Computers don't radiate.
Blocks are the most dangerous pyroclastic material.
By experiment.
atoms.
blackplactic
Translucent. A material which transmits 100% (or close to 100%) of the light striking it is called transparent. A material which blocks 100% of the incident light is called opaque.
The blocks are the same.
Blocks of concrete like substance.