I really like these General Dynamics ads from the 50′s. They have this weird abstract brutalism.

Exploring the Universe: The 4th State of Matter….

Earth is composed of three states of matter, liquid, solid, gaseous. Yet most of the universe exists as the fourth state of matter, the plasma state. The bright suns and stars are plasmas — roving, unattached, electrified particles of matter that fuse into new particles on collision, releasing enormous energy. Read the rest of this entry »

You have to hand it General Dynamics, they managed to make nuclear reactors seem incredibly stylish.

triga – General Dynamics
One of a series of posters displayed during the Second International Conference on the Peaceful Uses of Atomic Energy in Geneva, September, 1958. Triga is an inherently safe training, research, isotope-production reactor designed and manufactured by the General Atomic Division of General Dynamics Corporation.
GENERAL DYNAMICS CORPORATION • 445 PARK AVENUE. NEW YORK 2 2 . N . Y.