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Aatish Bhatia

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    The Math Trick Behind MP3s, JPEGs, and Homer Simpson’s Face

    Over a decade ago, I was sitting in a college math physics course and my professor spelt out an idea that kind of blew my mind. I think it isn’t a stretch to say that this is one of the most widely applicable mathematical discoveries, with applications ranging from optics to quantum physics, radio astronomy, […]

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    To Save Drowning People, Ask Yourself “What Would Light Do?”

    Imagine you’re a lifeguard and you see someone struggling to stay afloat. Being a responsible lifeguard, you want to get to them as quickly as possible. You’re pretty fast when swimming, but even faster running on sand. So what’s the quickest route to get to the swimmer? It may not sound like it, but this […]

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    The Sound So Loud That It Circled the Earth Four Times

    The 1883 eruption on Krakatoa may be the loudest noise the Earth has ever made.

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    The Sound So Loud That It Circled the Earth Four Times

    A lithograph of the massive 1883 eruption of KrakatoaThe eruption of Krakatoa, and subsequent phenomena, 1888; Parker & Coward; via Wikipedia On 27 August 1883, the Earth let out a noise louder than any it has made since. It was 10:02 AM local time when the sound emerged from the island of Krakatoa, which sits […]

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    To Save Drowning People, Ask Yourself “What Would Light Do?”

    Imagine you’re a lifeguard and you see someone struggling to stay afloat. Being a responsible lifeguard, you want to get to them as quickly as possible. You’re pretty fast when swimming, but even faster running on sand. So what’s the quickest route to get to the swimmer? It may not sound like it, but this […]

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    The Math Trick Behind MP3s, JPEGs, and Homer Simpson’s Face

    Nine years ago, I was sitting in a college math physics course and my professor spelt out an idea that kind of blew my mind. I think it isn’t a stretch to say that this is one of the most widely applicable mathematical discoveries, with applications ranging from optics to quantum physics, radio astronomy, MP3 […]