dynamics of first-order networks
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Mating systems and parental care vary tremendously from species to species. Every species differs in how it protects its young from predators and provides its young with food, if it does so at all. The physical environment as well as behavioral dynamics in intraspecies relationships all influence parental care. Often the mating system, which sex is dominant in mating, and whether fertilization is external or internal will determine much of...more
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Dominic Orr, CEO of Aruba Networks, describes the tradeoffs for an entrepreneurial company between being private or public. Orr argues that being public offers a significant benefit for an entrepreneurial company because it confers credibility and legitimacy which can aid the startup in selling to larger organizations. Of course, these benefits must be weighed against the costs and limitations imposed by being a public company.
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Part I of Rotations. The lecture begins with examining rotation of rigid bodies in two dimensions. The concepts of "rotation" and "translation" are explained. The use of radians is introduced. Angular velocity, angular momentum, angular acceleration, torque and inertia are also discussed. Finally, the Parallel Axis Theorem is expounded.
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Dell describes the PC industry today as a jump ball environment where no company can stay in a strong position for long. The development of wireless networks, miniaturization, and the influence of the internet has changed the competitive landscape of the industry, he says. One of the biggest threats is the changing computing model. To combat this threat, Dell, Inc. is focused on online servers and storage, new online devices, and anticipat...more
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Komisar talks about two failures he has faced throughout his career and the lessons he learned from them. The first was a company called GO Corporation, which failed after four years due to bad technology and planning. The second occurred when Komisar left LucasArts Entertainment prematurely to join another company called Crystal Dynamics. He was unhappy about the move and had no passion for its products.
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Dominic Orr, CEO of Aruba Networks, reflects on sources of advice and guidance in his role as CEO. Orr highlights the importance of a rigorous board and advisors to challenge his thinking. However, Orr also speaks about his use of psychological counselors to help his executive team work together as effectively as possible. He suggests that this effort is vital because although there are many talented individuals in Silicon Valley, helping ...more
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Armen Berjikly, Founder and CEO of Experience Project, discusses how to build a start-up team, a task that he argues is critical for success. Berjikly suggests building a team of people with complementary skills by reaching out through personal networks and in some cases recruiters. On the other hand, he suggests that entrepreneurs avoid hiring from sites such as Craigslist or other sources where it is difficult to verify someone's skills.
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Concepts covered in this lecture include hydrostatics, Archimedes' Principle, fluid dynamics, and Bernoulli's Equation. The buoyant foce of air on a ballon is discussed, and then Professor Lewin demonstrates how a balloon and a pendulum behave in accelerated, closed containers. The lecture ends with some non-intuitive demos shoiing how ping pong balls behave in air streams.
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Jason Green, Founding Partner at Emergence Capital, suggests that agents are generally not used to help raise funds in an early stage company although they may be helpful in a late-stage private equity deal. Instead, as Tom Friel, Chairman of Heidrick and Struggles, emphasizes early stage entrepreneurs are connected to VCs through informal networks of advisors who make an introduction for the entrepreneur.
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Dominic Orr, CEO of Aruba Networks, argues that to sell a technical product to an executive team, an entrepreneurial firm must focus on understanding and eliminating that executive team's problems. Eliminating CEO, CIO, CTO or CFOs problems means understanding and addressing their pain point sufficiently to overcome their fear of something new.
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Estrin talks about how the last cycle is about connecting embedded devices, as opposed to connecting computers. The real win in this is when we can build a completely new architecture for networks that are self-configuring, she says. Interesting work in academia is targeting this area. She talks about technology enablers in this cycle and the focus on low power, and not performance.
