エピソード

  • EP69 - Orbital Debris Removal: To Catch Space Junk, Slow Down

    EP69 - Orbital Debris Removal: To Catch Space Junk, Slow Down
    2026/09/08
    Thousands of dead rockets and shattered satellites are falling around the Earth at seventeen thousand five hundred miles per hour, and we have finally started sending machines up to catch them. The first thing engineers learned is that everything your instincts say about the chase is wrong. We break down the strange physics of cleaning up the sky, from slowing down to catch up, to grabbing a tumbling giant that will never, ever stop spinning.
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    25 分
  • EP68 - Post-Quantum Cryptography: The Multidimensional Grid That Foils Quantum Computers

    EP68 - Post-Quantum Cryptography: The Multidimensional Grid That Foils Quantum Computers
    2026/09/05
    When you hit the pay button, invisible math scrambles your secrets so only the right key can read them, and we take it for granted that this lock is unbreakable. But a quantum computer is being built that could crack the exact math our locks are made of. We decode post-quantum cryptography, and the strange multidimensional geometry that is becoming the new shield for your digital life.
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    25 分
  • EP67 - Silicon Photonics: Putting Speed-of-Light Motors on a Chip

    EP67 - Silicon Photonics: Putting Speed-of-Light Motors on a Chip
    2026/09/02
    The most advanced AI in the world is not limited by how fast its chips think, but by how slowly they can move data between them over copper wires that waste energy as heat. The answer is to carve the chip from a substance that is crystal-clear to invisible light, and put lasers, lenses, and light-movers right onto the silicon itself. We crack open the waveguide to see how moving data with photons instead of electrons unlocks the future of computing.
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    25 分
  • EP66 - The Splinternet: How a Global Web Gets Torn Apart

    EP66 - The Splinternet: How a Global Web Gets Torn Apart
    2026/08/30
    Type a question into your phone and the answer seems to come from everywhere at once, one seamless, borderless web. But that vision of a single global internet is quietly ending, as nations build digital walls with firewalls and rerouted traffic. We decode BGP, the postal system of the net, to reveal how a network built to route around damage can be torn into pieces.
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    27 分
  • EP65 - Solid-State Batteries: The Brick Wall That Doubles the Range

    EP65 - Solid-State Batteries: The Brick Wall That Doubles the Range
    2026/08/28
    Your electric car is a miracle of modern engineering, and it is being held back by a thin film of liquid and a flimsy plastic separator that has to keep two armies of lithium apart. The solid-state battery promises to replace that fragile liquid with a brick wall of ceramic, unlocking double the range and nearly zero fire risk. We open the battery and find the quest for the holy grail of energy hiding behind a single, elegant barrier.
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    27 分
  • EP64 - Small Language Models: How 100x Less AI Stays Just as Smart

    EP64 - Small Language Models: How 100x Less AI Stays Just as Smart
    2026/08/21
    Ask your phone a question in airplane mode and it answers instantly, with no internet, no server farm, no cloud involved — yet the model inside is a fraction of the size of the ones that power web chatbots. How can an intelligence a hundred times smaller still think? We open the black box of distillation and quantization to reveal that being smart was never really about size.
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    26 分
  • EP63 - The Ghost in the Machine: How Video Compression and Codecs Hack Your Eyes

    EP63 - The Ghost in the Machine: How Video Compression and Codecs Hack Your Eyes
    2026/05/22
    We stream billions of hours of high-definition video every day, assuming the internet is a vast pipe of moving pictures. It isn't. Discover the clever mathematics and biological hacks that allow us to squeeze reality into a wire, revealing why the movies you watch are actually elaborate optical illusions.
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    21 分
  • EP62 - The Anti-Noise Paradox: How We Engineer Silence

    EP62 - The Anti-Noise Paradox: How We Engineer Silence
    2026/05/15
    When you turn on noise-canceling headphones, the world doesn't just get quieter; it feels like the air itself vanishes. But the physics behind this silence is counter-intuitive. In this episode, we deconstruct the high-speed race against the speed of sound, revealing how adding more noise to a chaotic environment is the only way to find true peace.
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    22 分