Search Results for physics
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Past LectureYour Hand: Signatures and Handwriting
Signing your name is now such an automatic way of proving identity and validating a document that we forget that the signature has its own history. This presentation will explore the challenge of forged and fraudulent handwriting and the ...Read More
Past LectureWhy Doesn't Capital Flow From High To Low?
Capital should flow from countries with low marginal rates of return to countries with high marginal rates of return. The former tend to be high income countries, where investment possibilities have been exhausted, and the latter are low income ...Read More
Past LectureWhy Businesses Fail and What Can Be Done About It
Businesses fail all the time. They either go broke, destroying value and throwing people out of work, or they suffer catastrophic systems failures that cost money and, sometimes, human lives. Why does this happen? Some have argued that the ...Read More
Past LectureWho invented the calculus? - and other 17th century topics
The development of the calculus brought together two seemingly unrelated problems: how do things change, and how large are they? We develop the story from the early days of logarithms in Gresham College, to Newton's work on ...Read More
Past LectureWho invented algebra?
Arabic mathematicians embraced the mathematics of Ancient Greece and India. What did they do, and how did their achievements influence Europe in the Middle Ages? We trace the story up to the establishment of universities, the development of perspective ...Read More
Past LectureWhen Maths Doesn't Work: What we learn from the Prisoners' Dilemma
Game Theory is a branch of mathematics which tells us how to outthink an opponent or competitor. The Prisoners' Dilemma is a paradox in which knowledge of Game Theory is dangerous: the sophisticated mathematician comes off disastrously worse ...Read More