resistive networks
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Wirt makes some interesting predictions about the future of digital music, digital photos, and the trends of high speed networks and increasing storage capacity. He describes a world where almost everything has a built-in hard drive for storing information, but the challenge will be keeping it all in sync.
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Networks: clients and servers, peer-to-peer, LANs and WLANs, the Internet, and domains. Email: addresses; IMAP, POP and SMTP; netiquette; spam; emoticons; snail mail; and listservs. SSH. The World Wide Web: URLs and HTTP. Blogs. Instant messaging. SFTP. Usenet.
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Dominic Orr, CEO of Aruba Networks, observes a significant difference between going public in the post dot-com boom era in comparison to the actual boom. Orr argues that in the post-bubble era investors are much more thoughtful and analytical.
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Dominic Orr, CEO of Aruba Networks, describes his experience applying the HP way to a startup environment. Orr speaks about his focus on giving people freedom and trust which in turn sparks the passion and confidence that drives innovation.
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Estrin talks about the three cycles in IT networks: 1) Enterprise productivity cycle 2) Connecting people 3) Connecting devices.
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This lecture reviews selected concepts previously covered in lectures 6 through 15. Professor Lewin covers work-energy theorem, pendulum energy, simple harmonic oscillators, Newton's Law of Universal Gravitation, resistive forces, and finally collisions and conservation of momentum. At the beginning of class a top is spun on the desk in the lecture hall to show that friction dissipates the top's kinetic energy into heat, and the top quickl...more
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Covalent Networks, Metallic, and Ionic Crystals: Some of the strongest molecular structures.
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This lecture covers resistive forces such as air drag. It includes the viscous (linear in velocity) and pressure (quadratic in velocity) terms. Quantitative demonstrations with balloons and with ball bearings dropped in syrup are shown. He concludes with numerical calculations of air drag examples, also discussing the contribution of air drag to the quantitative experiments down earlier in the course with falling apples.
