dynamic impulse
31Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… …
32symphony — /sim feuh nee/, n., pl. symphonies. 1. Music. a. an elaborate instrumental composition in three or more movements, similar in form to a sonata but written for an orchestra and usually of far grander proportions and more varied elements. b. an… …
33History of Physics — History of Physics † Catholic Encyclopedia ► History of Physics The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …
34Mass driver — For fictional mass drivers, see List of electromagnetic projectile devices in fiction. Artist s conception of a mass driver for lunar launch A mass driver or electromagnetic catapult is a proposed method of non rocket spacelaunch which would use… …
35nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
36Control theory — For control theory in psychology and sociology, see control theory (sociology) and Perceptual Control Theory. The concept of the feedback loop to control the dynamic behavior of the system: this is negative feedback, because the sensed value is… …
37education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
38Classic Judaism — or classical Judaism represents a theology comprising a unique set of discernible styles, modes, forms, and content prevalent from the year 70 until the 19th century, styles rooted in classical Jewish thought as found in classical rabbinic… …
39Digital filter — A general finite impulse response filter with n stages, each with an independent delay, di, and amplification gain, ai. In electronics, computer science and mathematics, a digital filter is a system that performs mathematical operations on a… …
40Linear filter — A linear filter applies a linear operator to a time varying input signal. Linear filters are very common in electronics and digital signal processing (see the article on electronic filters), but they can also be found in mechanical engineering… …
