Fibre-optics used to take the temperature of Greenland Ice Sheet

14 May 2021

Scientists have used fibre-optic sensing to obtain the most detailed measurements of ice properties ever taken on the Greenland Ice Sheet. Their findings will be used to make more accurate models of the future movement of the world’s second-largest ice sheet, as the effects of climate change continue to accelerate.

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Dr Lucy McDonald at St John’s College, Cambridge

Philosopher’s thumbs-down to social media ‘likes’ gets award thumbs-up from Royal Institute

12 May 2021

The Royal Institute of Philosophy has awarded (jointly) its 2021 essay prize to a University of Cambridge researcher for the first philosophical analysis of ‘liking’ on social media. The essay, which focuses on Facebook, warns that ‘likes’ encourage communicative laziness while ‘like tallies’ fuel fake news, ‘gamify sociality’ and play to our psychological weaknesses.

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Machine Learning & Artificial Intelligence

Can federated learning save the world?

10 May 2021

Training the artificial intelligence models that underpin web search engines, power smart assistants and enable driverless cars, consumes megawatts of energy and generates worrying carbon dioxide emissions. But new ways of training these models are proven to be greener.  

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