Posts with keyword: energy


Where Oil Comes From

One of the reasons I love reading Jon Udell's blog is that he shares the results of his curiousity. Not only is Jon curious in general, but he's especially curious about data and how your can mundge it to produce information. The latest example is Jon's look at where Oil comes from--not from where you think probably. The answer, if you live in the US is Canada and Africa. 33% of US oil comes from North America (with Canada being the largest "foreign" supplier) and 20% comes from Africa. How did Jon find this out? By importing the data
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Velocity 08: Energy Efficient Operations

Luiz Barroso from Google is speaking about Energy Efficient Operations. Computing has a great track record of having a positive impact on society. The world needs more computing. But more computing means more energy (usually). World energy use of servers is around 1% of total electricity consumption. Making efficient computers is harder than making efficient refrigerators. Efficiency is computing speed divided by power usage. But that's too simple. For a server, you have to take into account the efficiency of the compute efficiency, server efficiency, and data center efficiency. These get multiplied together. Ugh. Data centers are underutilized which
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Your Carbon Footprint

Saul Griffith(click to enlarge) This morning's opening keynote at ETech was Saul Griffith who ran down the steps he used to calculate his own carbon footprint and then what he had to do to put himself on a "carbon diet." It's not pretty. Doing the calculation is relatively straightforward in terms of the math, but gathering the data isn't easy. I'm hoping that we can get his slides when we put the audio up on IT Conversations because there's some great data there. Speaking of IT Conversations, a recent IEEE show has a section on home co-generation. You can
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Amory Lovins on IT Conversations

Social Innovations is a sister channel to IT Conversations. They have a 10 part series of lectures by Amory Lovins, the Cofounder, Chairman, and Chief Scientist of the Rocky Mountain Institute. The series is a from set of five lectures he delivered at Stanford earlier this year. I'm cross posting the Lovins lectures on ITC. The first lecture (see part I and part II) is on energy efficiency for buildings. This lecture has been highly rated by SIC listeners and I think ITC listeners will enjoy it too. The second lecture, on energy efficiency in buildings (see part I,
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Batteries in Your Clothes

This story about using nanotechnology to create wearable batteries puts last weeks story about a man's iPod battery catching his pants on fire in a whole new light.
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Google's Solar Power Installation

Anthony Ravitz is talking about how Google installed 1.6MW of solar panels at their headquarters. He starts by talking about all of Google's green initiatives. The solar project, with financial incentives from PG&E, has a payback of 7.5 years. Solar works best at the same times that peak power is needed. Google's is the largest commercial installation of solar in the US. It uses 9212 Sharp 208 photovoltaic modules. The modules we put on standing metal seam roofs. On sloped roofs, they're mounted flat on the southface, but on the north face, they're kicked up. On flat roofs, they're
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