$1.4 billion. Aircraft sensors clogged by water caused the B-2 Spirit bomber's pilots to lose control just after takeoff on February 23.
"It was just by the grace of God that they were safe," Maj. G...
In depth 3D demonstration of a car powered by a hydrogen fuel cell. No polution, only water vapor and heat leave this automobile. Cells are stacked until the necessary amount of energy is available ...