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Huygens's 1688 Report to the Directors of the Dutch East India Company on the Measurement of Longitude at Sea and the Evidence it Offered Against Universal Gravity
Huygens, Newton, Universal Gravity, Longitude Research
2011/9/8
When Christiaan Huygens prepared the 1686/1687 expedition to the Cape of Good Hope on which his pendulum clocks were to be tested for their usefulness in measuring longitude at sea, he also gave instr...
The Deep Black Sea: Observability and Modality Afloat
constructive empiricism observability modality
2008/4/21
We propose a rigourous criterion for observability and claim it solves three problems that extant accounts of observability, including Van Fraassen's one, do not solve.
We also give a rigourous verio...
Why there is no salt in the sea
科学哲学 技术哲学 science philosophy technological philosophy chemistry philosophy 化学哲学 有关化学
2007/3/16
What, precisely, is 'salt'? It is a certain white, solid, crystalline, material, also called sodium chloride. Does any of that solid white stuff exist in the sea? — Clearly not. One can make salt from...