Don’t Panic!

The Earth’s fate is sealed, sad to say. In all likelihood, it’ll be destroyed in roughly six billion years by the death throes of the Sun. But what about the end of the universe? That’s the question I answer in my newest feature article for the BBC…

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Back to the Future

Why is it easy to break an egg, but impossible to un-break it? More generally, why is the past so different from the future? We can’t travel into the past, but we’re inexorably carried into the future. We can remember the past, but we can’t reliably predict the future. But strangely, the fundamental laws of physics work just as well backwards as forwards – so why do we perceive an arrow of time? That’s the subject of my new feature article for BBC Earth….

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What’s Cooler Than Being Cool?

You may have seen some news reports over the last week or two saying that scientists had made a substance with the hottest temperature ever recorded — but that temperature was somehow below absolute zero, a negative temperature on the Kelvin scale. Weirdly enough, this is absolutely true….

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