I've fine-tuned a tool that advises the Bank of England what interest rates to set – here's what it says

Interest rates were remarkably stable in ancient societies. It has been argued that this was because they reflected the local system of numerical fractions. Classical Greece had a “normal” interest rate of 10% per annum to reflect its smallest fractional unit, dekate, for instance, whereas classical Rome’s was 8.33% per annum to reflect its smallest fractional unit of 1/12th, uncia.

We invited an AI to debate its own ethics in the Oxford Union – what it said was startling

'51 million wiki pages down, 3 million to go ...' Allies InteractiveNot a day passes without a fascinating snippet on the ethical challenges created by “black box” artificial intelligence systems. These use machine learning to figure out patterns within data and make decisions – often without a human giving them any moral basis for how to do it.


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