2008 October | Bjørnar Trondsen blogg og plogg

mimring

ekstremt October 25th, 2008

Jeg kom over en bildevideo jeg laget i California i 2006, da jeg var på Grunderskolen. Det var jammen tider det. Videon under viser en raftingtur i American River i Sacramento som jeg arrangerte for 5 medstudenter. Medvirkende er Ian, Torunn, Eivind, Marthe og Elise. Måtte jo bare legge den ut på YouTube:

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Facebook og failblog

Dagligdags October 16th, 2008

Ja, nå har jeg fått erfare at man skal være forsiktig med å lage grimaser på fest. Her om dagen var jeg på 20-40 fest i Harstad og noen dager senere ble jeg tagget på Facebook. Jeg har ingenting i mot det, bildet er jo arti det. Leste her om dagen at det er 10.000.000.000 (10 milliarder) bilder på facebook. Jeg er sikker på at det finnes mange spennende bilder der. Ellers er det også mange fine bilder på Failblog. Denne har etterhvert blitt et daglig besøkt nettsted.

Bjørnar

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Dagens NASA

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 as 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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Bjørnar Trondsen blogg og plogg

mimring

ekstremt October 25th, 2008

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Dagligdags October 16th, 2008

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Dagens NASA

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