try looking on top500 list, it changes too frequently.
The most powerful bomb ever made was the tsar bomb.
Yes they are. They are one of the World's most powerful weapon has ever made.
http://people.bath.ac.uk/ccsshb/12cyl/
Punto fiat
Name of the most powerful armguard ever made
WOPR Computer
Supercomputer
computer science is the most powerful degree
Saturn V remains the largest and most powerful launch vehicle ever brought to operational status from a height, weight and payload standpoint.
the one that phillip jin kim invented called The Bloody Killer
Supercomputer
supercomputers