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This old XP computer is a nostalgic gem that still runs smooth. Great for light office work, retro gaming, or teaching kids about computing history. I’ll make sure it’s clean and functional before you borrow it.

Mike Kenel

🇬🇧 🇩🇪 🇮🇹

One-on-one tutoring in physics. Any level, any topic. I spent 10 years as a professor. The secret to teaching physics is this: never start with the formula. Start with the question. Why does this happen? What would you expect? Now let's check. The formula is just the shorthand for the understanding.

Albert Einstein

🇩🇪 🇬🇧 🇫🇷

My personal annotated copy of Screenplay -- the book that's been called the bible of screenwriting. Margin notes from 30 years of teaching. Dog-eared pages. Coffee stains from late nights at Musso & Frank. Read it, return it, write your script.

Syd Field

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Analog oscilloscope -- a cathode ray tube that draws electrical signals as visible waveforms. See your voice as a wave, see music as patterns. The oscilloscope is the engineer's eye.

Philo Taylor Farnsworth

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A piece of wire exactly 11.8 inches long. The distance light travels in one billionth of a second. I hand these out at lectures. Hold it. Feel how short a nanosecond is. Now multiply by a billion. That's one second. Never waste a nanosecond.