energy storage
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This lecture continues the discussion of the HOMO/LUMO view of chemical reactivity by focusing on ways of recognizing whether a particular HOMO should be unusually high in energy (basic), or a particular LUMO should be unusually low (acidic). The approach is illustrated with BH3, which is both acidic and basic and thus dimerizes by forming unusual "Y" bonds. The low LUMOs that make both HF and CH3F acidic are analyzed and compared underlin...more
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After mentioning some legal implications of chirality, the discussion of configuration concludes using esomeprazole as an example of three general methods for producing single enantiomers. Conformational isomerism is more subtle because isomers differ only by rotation about single bonds, which requires careful physico-chemical consideration of energies and their relation to equilibrium and rate constants. Conformations have their own notat...more
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Find what you have a passion for and find a company that represents that, says Raikes. Life is too short to focus on money. Interviewers look for three things: high energy, high horse power, and the ability to get things done. It is nice to have relevant experience, but it is more important to be really passionate and willing to learn quickly, he adds.
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Fundraising is simply an energy transfer to further your projects, says entrepreneur and X PRIZE founder Peter Diamandis. It's also the most critical skill an entrepreneur can have. When trying to raise funds, it's critical to remember that you have to ask for what you want, and that you have to give others the opportunity to be involved. And, says Diamandis, never walk away from a potential funder without something; whether it's dollars, ...more
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March 4, 2009, Richard Morse states that coal is the largest growing source of energy and that regulation and policy are beginning to play a larger role in the economy of coal power. Morse also discusses the heavy reliance on coal by developing countries and the need to understand and evaluate all mitigation options.
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Waves are discussed in further detail. Basic properties of the waves such as velocity, energy, intensity, and frequency are discussed through a variety of examples. The second half of the lecture deals specifically with superposition of waves. Constructive and destructive interferences are defined and discussed.
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Professor Channing Robertson of the Stanford University Chemical Engineering Department discusses energy conservation in further depth, focusing on the design of heat exchangers.
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Draper discusses why the DFJ Network was formed. The DFJ Network is looking for 'heroes' with passion and energy to lead a business to change the way the world works.
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April 20, 2009 - Leonard Susskind explains how to calculate and define pressure, explores the formulas some of applications of Helm-Holtz free energy, and discusses the importance of the partition function.
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In this lecture, Professor Leonard Susskind of the Stanford University Physic's Department discusses dark energy, the tendency of it to tear atoms apart, and Gauss's Law.
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May 11, 2009 - Leonard Susskind lectures on harmonic oscillators, quantum states, boxes of radiation and all associated computations such as wavelengths, volume, energy and temperature.
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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
