HARD METAL

NITINOL is an alloy of ?

ANSWER(HIGHLIGHT):NIckel and TItanium."NOL" stands for Naval Ordinance Lab,it is the place where this shape memory alloy was synthesised.

ID

This metal has an atomic weight of 145 and named after a Giant of Greek Mythology...Identify

ANSWER(HIGHLIGHT): Promethium

A dotted misconception

Most of us confuse with the acronym ".com" in the internet slang.They intepret it as

".communication" or ".computer". What does it actually mean ?

                     Answer(HIGHLIGHT):  Interestingly enough, .com describes 

that a web site has some kind of "commercial" intent.