Category Archives: Exploration

A.R. Wallace on Geology, Great Glaciers and the Speed of Evolution

When Charles Darwin published “The Origin of Species” in November 1859 geologists were still discussing the age of the earth. Deep time was an essential prerequisite to explain the recent biodiversity by gradual and slow changes in the remote past.  … Continue reading

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Granite Wars – Episode I: Fire & Water

In 1820 the Italian engineer Count Giuseppe Marzari-Pencati (1779-1836) published a short article about the stratigraphic succession found near the small village of Predazzo. At the “Canzoccoli” -outcrop Pencati observed a grayish granitic rock overlying white marbles. What today is … Continue reading

Posted in Exploration, Geology, Science | 1 Comment

Geologizing Asses

“Humanity’s genius is to have always had a sense of its weakness. The physical energy and strength, with which nature insufficiently endowed humans, is found in animals that help them to discover new territories.” Thanks to this special kit and … Continue reading

Posted in Chemistry, Exploration, Geology, Humour? | Leave a comment

Long-distance longitude

Over a year ago I wrote a post ‘Sympathetic vibrations‘ that mentioned a 1688 pamphlet that included (as satire) a means of finding longitude by using a ‘Powder of Sympathy’. The idea was that this could be used to enduce … Continue reading

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