Oh yah.
Personally I have found no use for what I have learned, but someday... someday when the space shuttle is orbiting a giant space rock and my Dad calls up and says, we just cant get our computers to crank out the formulas to handle the permutation of debris orbits should we detonate this nuke...
Gimmie 100000 liters of LN2, 2 miles of copper piping, 1000 apogge waterblocks, 1 ton of kneaded eraser, 8 tons of armaflex and one catapillar (worm) drive for pumping the LN2