What we have learnt about in the first Topic are large-scale (macro) properties of the Earth. They are also mostly "static" properties - that is, properties that pertain to descriptions of the Earth, ...

To get some very basic descriptions of the Earth we will start by describing some of the simplest of all the Earth's properties - how big, how heavy, how hot, how strong - and how they were deduced.

1.2 Mass of the Earth: Cavendish's Experiment to "Weigh the Earth" The next thing is to try to find out how much the Earth might weigh. This is much more difficult, and requires a very cunning ...

Relating what Erastosthenes did to the ideas in our opening comments, we would say that the data available to Erathosthenes was the curious observations of shadows in wells and sticks. He then used a ...

Since the launch of ChatGPT in November 2023, generative AI has greatly impacted teaching and learning in higher education. Join the CTL to explore how you might leverage these tools for your teaching ...

Given a sufficiently large earthquake, like the so-called Good Friday earthquake in Alaska in 1964, which had a magnitude of 8.6, the entire Earth actually vibrates. It is fairly intuitive that the ...

With this simple formula, Cavendish established the mass of the Earth using a very accurate balance beam by the following steps - ...

Centuries ago people had very little idea about the total size of the Earth and hardly any notion of its shape. Few people traveled very far because transportation was difficult. So the total size of ...

The process by which naturally occurring Earth materials break into pieces - fragment - is (I claim) a fundamentally non-linear one, perhaps composed of linear individual elements acting together to ...

y the end of the 20th century the human population of Earth equaled 6 billion. Or at least it probably did! Why can't we say for certain? The problem is that the number of human inhabitants is not ...

To start off, let's look at the best stock website for value investors, ValueInvesting.io. It shows you intrinsic value of stocks globally so that you can know which ones are undervalued or overvalued ...

The celebration of graduation by law students is always just a little muted. In the back of your mind is always the dreaded bar exam. Columbia provided a fine legal education. I learned to "think like ...