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IEEE Spectrum

Issue 4 • Date April 2007

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  • IEEE Spectrum - April 2007

    Publication Year: 2007, Page(s): c1
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    Freely Available from IEEE
  • IEEE Spectrum - April 2007 - Vol. 44 - No. 4

    Publication Year: 2007, Page(s): 1
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    Freely Available from IEEE
  • IEEE Spectrum - Table of Contents

    Publication Year: 2007, Page(s): 2
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    Freely Available from IEEE
  • The Back Story: Face Time

    Publication Year: 2007, Page(s): 5
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (677 KB) | HTML iconHTML

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  • Forum

    Publication Year: 2007, Page(s): 6
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  • Spectral Lines: IEEE Spectrum Online: A Blogging Sampler

    Publication Year: 2007, Page(s): 8
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    Presents information that is being discussed on Spectrum's blog, Tech Talk (www.spectrum.ieee.org/techtalk/. View full abstract»

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  • U.S. Earth-Sensing Satellites Left Out in the Cold

    Publication Year: 2007, Page(s):10 - 12
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2830 KB) | HTML iconHTML

    The degree of precision needed to forecast hurricanes, and the future accuracy of climate modeling as well, may be in danger if recent trends in Earth-observing satellite programs persist. This paper shows why weather prediction and climate monitoring are endangered View full abstract»

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  • Carbon Commerce

    Publication Year: 2007, Page(s):12 - 15
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    This paper presents the European Union's carbon trading system. With this trading system, the Europeans have demonstrated beyond doubt that the right to emit CO2 is destined to be a major internationally traded asset - but their experience to date exemplifies some of the pitfalls the rest of the world faces in establishing such trading systems View full abstract»

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  • A Power Plant for the Home

    Publication Year: 2007, Page(s):14 - 15
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2448 KB) | HTML iconHTML

    The use of energy in American homes is still being developed for better efficiency. The idea of having a power plant in your home's basement instead is a consideration. Combined heat and power (CHP) systems can utilize up to 90 percent of a fossil fuel's energy by simultaneously generating heat and electricity on-site, reducing energy consumption and slashing utility bills. Such systems already po... View full abstract»

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  • Termites in Your Tank

    Publication Year: 2007, Page(s):16 - 17
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    Finding a cheaper way to make ethanol from biological waste products is a top priority around the world. Researchers at dozens of companies addressing the problem say they may find the answer in tiny bioreactors that turn wood into sugar. These centimeter-long chemical factories aren't the product of a government lab or an industry consortium but of millions of years spent perfecting their role as... View full abstract»

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  • The Big Picture: Glacier Power

    Publication Year: 2007, Page(s):18 - 19
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    Presents a photograph of Iceland's Karahnjukar hydroelectric power plant. View full abstract»

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  • Why Can't a Computer be more Like a Brain?

    Publication Year: 2007, Page(s):21 - 26
    Cited by:  Papers (3)  |  Patents (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3244 KB) | HTML iconHTML

    This paper discusses a theory of the neocortical algorithm called the hierarchical temporal memory (HTM). Hierarchical temporal memories are built around a hierarchy of nodes. The hierarchy and how it works are the most important features of HTM theory. In an HTM, knowledge is distributed across many nodes up and down the hierarchy. As an HTM is trained, the low-level nodes learn first. Representa... View full abstract»

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  • The Laptop Crusade

    Publication Year: 2007, Page(s):28 - 33
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4127 KB) | HTML iconHTML

    This paper discusses a laptop project, One Laptop Per Child (OLPC) project. It's one of the biggest nonprofit technology-based projects and it's only the first phase of a program that seeks to put a staggering 100 million laptops into the hands of developing-world schoolchildren in the next couple of years. The One Laptop effort is just one of at least 20 low-cost computing initiatives under way w... View full abstract»

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  • Top 10 Tech Cars 2007

    Publication Year: 2007, Page(s):34 - 41
    Cited by:  Papers (8)
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    This paper presents the return of pure electric cars. Tesla Motors, the Tesla Roadster, is powered by 6831 mass-market lithium-ion batteries and costs about $100,00. The Tesla was engineered by England's Lotus, renowned for its small, light sport cars. As with any pure electric car, the key parameters are the batteries' recharge time, energy density and useful life. Unresolved at the moment is the... View full abstract»

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  • Ready for their Close-Ups

    Publication Year: 2007, Page(s):42 - 47
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    Thanks to advances in motion-capture technology, computer-generated humans may soon be indistinguishable from live actors, at least in movies and video games. This paper presents the use of computer graphics to generate a realistic image of a human on screen View full abstract»

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  • Careers: Becoming Your Own Boss

    Publication Year: 2007, Page(s):48 - 52
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3191 KB) | HTML iconHTML

    This paper presents some things to consider on the "if" and the "when" of becoming your own boss. ou owe it to yourself to seriously consider becoming your own corporate boss. Whether this means gaining more responsibility in your current position or planning for the day when you're truly in charge of your own enterprise, look into it carefully. Assess your abilities, do your homework, and challen... View full abstract»

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  • PODCAST PICKS

    Publication Year: 2007, Page(s): 53
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    Reports on several new podcast services. View full abstract»

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  • Tools & Toys: Quiet in Demand

    Publication Year: 2007, Page(s): 52
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  • Books: Strange Ways

    Publication Year: 2007, Page(s):54 - 55
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2088 KB) | HTML iconHTML

    This book how people owe their self-awareness to "strange loops." The author believes that any system capable of representing a suite of symbols could develop self-awareness; it doesn't matter if the microlevel of the strange loop is composed of neurons or transistors. The author carries the concept of "strange loops" in self-awareness to the human brain. Examines what happens when someone dies an... View full abstract»

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  • Technically Speaking: Social-isms

    Publication Year: 2007, Page(s): 68
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (200 KB) | HTML iconHTML

    Conservatives, curmudgeons, and schoolteachers with too-tight hair buns all predicted that the Internet would produce societal breakdown and individual meltdown, but a funny thing happened on the road to ruination: nothing much. Society as a whole remains intact, and a few cases of Internet addiction notwithstanding, online users seem no worse off. View full abstract»

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IEEE Spectrum Magazine, the flagship publication of the IEEE, explores the development, applications and implications of new technologies.

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Susan Hassler
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