## Category Archives: Varius

## 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 … Continue reading

## 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 … Continue reading

## Vectors

This is a basic introduction to the mathematics of vectors. Vectors are defined as mathematical expressions possessing magnitude and direction, … Continue reading

## Magnetic Propulsion

Today, electromagnetic propulsion (EMP) for submarines — a propellerless and therefore silent and maintenance-free way to drive a craft through … Continue reading

## 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 … Continue reading