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## critical mass example

ℓ Find more ways to say critical mass, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. These make intriguing startups sometimes, because if they go big, they go really big. The reason why Critical Mass attracts mad respect is because it’s a super-yielding strain that develops an abundance of nugs in no time. If the term critical mass sounds like it came straight out of a science fiction novel, you’d be right. The purity of the isotope is also important in determining the amount of critical mass. f Aside from the math, there is a simple physical analog that helps explain this result. With other non-interactive innovations, the dependence on other users was generally sequential, meaning that the early adopters influenced the later adopters to use the innovation. Here’s the nuclear fission critical mass formula. Critical mass is the point at which a company becomes profitable. At that point, XYZ becomes profitable, and the company is said to have reached its critical mass because its capital and human resources have reached a size at which they can sustain themselves. ≃ Headquartered in Calgary, Canada with satellite offices spread across North America, they represent marquee accounts like Mercedes-Benz and Rolex to NASA. s When these conditions have been met, the company has reached critical mass. {\displaystyle 1={\frac {f\sigma }{m{\sqrt {s}}}}\rho ^{2/3}M^{1/3}}. A theoretical 100% pure 239Pu weapon could also be constructed as a gun-type weapon, like the Manhattan Project's proposed Thin Man design. Whereas traditional folklore was often full of fantastical elements, modern urban legends are usually a twist on reality. When these fragments are suddenly brought together, an atomic explosion results immediately. When a new idea is being introduced into a group of people, even if many think the idea is good, they will be loathe to adopt the idea until they are persuaded that others are moving, then their is a rush to adopt the idea. This latter problem provided significant motivation for the development of the Monte Carlo method in computational physics by Nicholas Metropolis and Stanislaw Ulam. Critical sentence examples. n In any case, criticality then depends upon a typical neutron "seeing" an amount of nuclei around it such that the areal density of nuclei exceeds a certain threshold. 494. Critical mass definition: In physics , the critical mass of a substance is the minimum amount of it that is needed... | Meaning, pronunciation, translations and examples To better understand the point in time when a company achieves critical mass, consider the fictional Company XYZ, which has been experiencing steady growth and increasing strength in the market. = which clearly recovers the aforementioned result that critical mass depends inversely on the square of the density. 282. 1 Where M is the total mass, m is the nuclear mass, s is 1 + the number of scattering events per fission event, ẟ is the total interaction cross section, ⍴ is density, and f actually is a fudge factor (their words, not mine) that accounts for geometrical and other effects. Many companies have collapsed after expanding too quickly and spending more than the new business brought in. Example #2: Making the same assumptions as in Example #1 with the only change being a DGR of 6% annually, the potential results look something like this: Nuclear power plants operate between these two points of reactivity, while above the prompt critical point is the domain of nuclear weapons and some nuclear power accidents, such as the Chernobyl disaster. A convenient unit for the measurement of the reactivity is that suggested by Louis Slotin: that of the dollar and cents. They are intended to be believ… where the factor f has been rewritten as f' to account for the fact that the two values may differ depending upon geometrical effects and how one defines Σ. It is the point at which the business becomes profitable enough to continue growing by itself and no longer requires investment from outsiders. Define critical mass. 3 To illustrate a company's critical mass, consider Company XYZ which was … TV via internet could only be developed once a critical mass of households had broadband access. Sometimes I’m intrigued by what I call critical mass problems, meaning businesses based on ideas that work only if masses of users adopt them. f Example of Critical Mass. How can we get a critical mass of people involved to keep the club running? See more. It is a crucial stage in the development of a growing company. The sample must exceed a critical mass before an explosion results. Only in this way can the critical mass of participation be reached. Given a total interaction cross section σ (typically measured in barns), the mean free path of a prompt neutron is ′ Derived from nuclear physics, critical mass is a term used to represent the smallest mass of material that can sustain a nuclear reaction at a constant level. The critical mass of thinking on foreign policy facilitated bipartisan support and helped to launch thoughtful and complex treaties that had a major impact on international politics. The reaction metaphor also evokes a company’s drive for growth. The point where critical mass is achieved is often called the 'tipping point'. The best example in my lifetime was the fax machine. Critical mass can also apply at the product level. Learn critical mass with free interactive flashcards. Urban legends are an omnipresent part of society, a modern evolution of traditional folklore. Several uncertainties contribute to the determination of a precise value for critical masses, including (1) detailed knowledge of fission cross sections, (2) calculation of geometric effects. 2. n This however creates a value that is often a lot less than most would think and so we hence have this problem. Critical Mass is one of the most innovative digital communications agencies out there. and the square root of one plus the number of scattering events per fission event (call this s), since the net distance travelled in a random walk is proportional to the square root of the number of steps: R For a critical mass to be reached, you typically need between 5% and 25% of the population. Institut de Radioprotection et de Sûreté Nucléaire: Learn how and when to remove this template message, Reevaluated Critical Specifications of Some Los Alamos Fast-Neutron Systems, Final Report, Evaluation of nuclear criticality safety data and limits for actinides in transport, Troubles tomorrow? But he's not in critical condition? In both physics and finance, it refers to a point at which a self-sustaining state is reached. Once these elements reach the size that enables a company to operate efficiently, it is said that a company has reached its critical mass. − Examples from the Corpus critical mass • Movie crowds create commercial critical mass, especially after hours. s And this helps to get the side of guests to critical mass. 55 / 5k. M ℓ n. 1. A company's critical mass is determined by the size of its staff, resources, revenues, and market share. The sustainable growth rate (SGR) is the maximum rate of growth that a company can sustain without raising additional equity or taking on new debt. Most of the neutrons released from a fission event come immediately from that event, but a fraction of them come later, when the fission products decay, which may be on the average from microseconds to minutes later. Critical Mass Understanding Critical Mass. / 75. Adding clients and revenue is always desirable for a company, but it requires additional investment to fulfill the company's commitments to its customers. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level. Many young companies view achieving sustainability as an opportunity to expand, but it can be difficult to manage growth in the fast-growing new industries in which many new companies operate. ℓ Finally, note that for some idealized geometries, the critical mass might formally be infinite, and other parameters are used to describe criticality. In an atomic bomb several pieces of fissionable material, all of which are below the critical mass, are held sufficiently far apart for no chain reaction to occur. {\displaystyle 1={\frac {f'\sigma }{m{\sqrt {s}}}}\Sigma }. When companies reach critical mass, their leaders may face a decision whether to seek continued rapid growth or to focus on consolidating the firm’s market position and improving operations. where n is the nuclear number density. The company must grow to the point that it can repay its initial investors for the capital they have provided as well as bring in enough money to function without additional investment. 2 / exact 5. similar 20. related DICTIONARY critical mass. Its size depends on several factors, including the kind of fissile material used, its concentration and purity, and the composition and geometry of the surrounding reaction system. Little-studied metal goes critical", Updated Critical Mass Estimates for Plutonium-238, Nuclear weapons and power-reactor plutonium, "Critical and Subcritical Mass Calculations of Curium-243 to -247 Based on JENDL-3.2 for Revision of ANSI/ANS-8.15", "Evaluation of nuclear criticality safety. 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