Lability and hyperstaticity of a structure
A structure is labile if is possible to have a rigid cinematism, it is isostatic if is possible to calculate
Basic Constants
Mathematical Constants 3.141592653589793 e 2.718281828459045 Physical Constants Speed of light (c) 299,792,458 m/s Constant of gravitation (G) 6.67259×10-11 N-m2/kg2 Universal
Magnetic Propulsion
Today, electromagnetic propulsion (EMP) for submarines — a propellerless and therefore silent and maintenance-free way to drive a craft through
Silent Sea Engine for Nuclear Subs
In the silent world of underwater warfare, the slightest noise can bring sudden death to a submarine. The electronic eats