Content about “
uncertainty
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Phone screen showing AI apps

Talking about truth with ChatGPT

How confident is the Large Language Model chatbot that its answers are correct? And how confident can we be about this confidence? This article investigates.

Article

What are sigma levels?

Find out how scientists, from physicists to geneticists, measure their confidence in their results.
News story

Counting deaths: war as a statistical problem

How many people died? It's one of the first questions asked in a war or violent conflict, but it's one of the hardest to answer. In the chaos of war many deaths go unrecorded and all sides have an interest in distorting the figures. The best we can do is come up with estimates, but the trouble is that different statistical methods for doing this can produce vastly different results . So how do we know how different methods compare?
Article

Understanding uncertainty: Visualising probabilities

Probabilities and statistics: they are everywhere, but they are hard to understand and can be counter-intuitive. So what's the best way of communicating them to an audience that doesn't have the time, desire, or background to get stuck into the numbers? This article explores modern visualisation techniques and finds that the right picture really can be worth a thousand words.
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Career interview: Systems engineer

Chuck Gill caught the space bug as a child when watching Alan Shepherd launch into space. Since then he's worked as a US Air Force navigator, a satellite operator, and in the US intelligence service. These days he's busy reducing carbon emissions and preparing London for the 2012 Olympics. Plus went to see him to find out more about his career.
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