Archive for October 24th, 2008

Oct

Thinking out Loud

Posted by: dsoul in Books (Design)

The Back of the Napkin: Solving Problems and Selling Ideas with Pictures by Dan Roam

rating: 4 of 5 stars

My review

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Tags: design, presentations, problem solving

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Oct

Oh what a dream…

Posted by: dsoul in Books (other)

I worked in a specialty bookstore once… while escaping reality and as a prelude to switching careers…. Siliconnections in Vancouver, an interesting experience to say the least. Now I’m reading this; I know, I know, irrational at best, but oh what a dream…

But then with my personal library at 4,000+ titles (and rising) I probably would rip the good stuff out of potential customers hands and not let them go…. <sigh>

See my Goodreads entry:

Rebel Bookseller: How to Improvise Your Own Indie Store and Beat Back the Chains by Andrew Laties

My review

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NASA image of the day

Snapshot of the International Space Station

On March 13, 2008, the International Space Station passed across the field-of-view of Germany's remote sensing satellite, TerraSAR-X, at a distance of 195 kilometers, or 122 miles, and at a relative speed of 34,540 kilometers per hour, or more than 22,000 mph. In contrast to optical cameras, radar does not 'see' surfaces. Instead, it is much more aware of the edges and corners which bounce back the microwave signal it transmits. Smooth surfaces such as those on the station's solar generators or the radiator panels used to dissipate excess heat, unless directly facing the radar antenna, tend to deflect rather than reflect the radar beam, causing these features to appear on the radar image as dark areas. The radar image of the station therefore looks like a dense collection of bright spots from which the outlines of the space station can be clearly identified. The central element on the station, to which all the modules are docked, has a grid structure that presents a multiplicity of reflecting surfaces to the radar beam, making it readily identifiable. This image has a resolution of about one meter (about 39 inches). In other words, objects can be depicted as discrete units--that is, shown separately--provided that they are at least one meter apart. If they are closer together than that, they tend to merge into a single block on a radar image. Since this image was taken, the station has expanded and is more than 90 percent complete, including a full complement of solar arrays. Image Credit: DLR
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Archive for October 24th, 2008

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Oh what a dream…

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