
Progress - Science Documentaries
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You’ve seen the hype — now meet the hidden engineering that makes air fryers magic. Professor Hannah Frye goes inside the Netherlands lab behind Philips’ first air fryer to uncover how a 40–60 L/s fan, 80 km/h tip speeds, and a quirky “starfish” plate create that crisp. Watch a glitter tornado reveal airflow, then trace the tech back to William L. Maxson’s 1940s Whirlwind oven and the garage-built “Frite Air” where Fred van der Ruij used cigarette smoke to perfect the flow before Philips said yes. From Albert Marsh’s nichrome wire heating element that powers up fast to PTFE’s slippery chemist
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