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Atoz Podcast, tuned to today.

Concise audio lessons with synced transcripts and high-value expressions from markets, tech, culture, and everyday global topics.

Latest · EP24 · 2026-08-10

How QR Codes Work

A QR code may look like a random grid, but every region has a job. This episode follows a scan from the camera image to position detection, data decoding, error correction, and the final action on your phone.

❓ Why SeriesIntermediate6 min
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New Episodes

Showing the latest 4 episodes

EP23 · 2026-08-10

Why Series: Why Do Airplanes Leave White Lines in the Sky?

Those white lines behind airplanes are contrails: narrow clouds of ice crystals. This episode follows their formation from hot jet exhaust to freezing upper air, explains why some vanish and others spread, and looks at what they can tell us about the atmosphere.
❓ Why SeriesIntermediate5 min
❓ Why SeriesIntermediate5 min

EP22 · 2026-08-10

Movie & Culture: Spider-Man

A spoiler-free guide to Spider-Man's lasting appeal, the brief history behind his screen versions, and five details worth watching in Brand New Day.
🎬 Movie & CultureIntermediate6 min
🎬 Movie & CultureIntermediate6 min

EP21 · 2026-08-09

Movie & Culture: Before The Odyssey — The War at Troy

Before Odysseus begins his long journey home, he helps end the Trojan War. This episode uses the 2004 film Troy as an accessible starting point, then separates cinematic invention from the wider mythic tradition to connect Achilles, Hector, the Trojan Horse, and the world of The Odyssey.
🎬 Movie & CultureIntermediate7 min
🎬 Movie & CultureIntermediate7 min

EP20 · 2026-08-09

AI Trend: Inside Tesla and SpaceX's Terafab

Tesla and SpaceX want Terafab to connect custom AI chips on Earth with vehicles, robots, and possible orbital data centers. This in-depth episode separates the industrial strategy from the headline ambition and examines semiconductor yields, vertical integration, space cooling, launch economics, governance, and execution risk.
⚡ Big Tech & AIIntermediate8 min
⚡ Big Tech & AIIntermediate8 min

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