Monthly Archives: April 2011 blog header image

The current header image for this blog is based on the “Earth and Sun” photo from NASA: The Setting of the Sun Over the Pacific Ocean and a Towering Thundercloud, July 21, 2003 As Seen From the International Space Station … Continue reading

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Docbook introduction

Docbook is a specification for writing documentation in XML*. Once an XML document containing the data content of the documentation has been created, it can be processed by XSL transforms to produce an output format (pdf, html, chm and more…). … Continue reading

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Zombie ants controlled by parasite fungus

The Ophiocordyceps unilateralis fungus infects carpenter ants and then somehow makes the ant move to a leaf at a specific height (out of the ant’s normal habitat). The ant will then clamp on to the underside of the leaf and … Continue reading

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The Universe in numbers

The total number of stars in the universe is greater than all the grains of sand on all the beaches on earth. 10,000 grains of sand in a handful of sand, which is roughly the same as: 10,000 stars visible … Continue reading

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