How Do They Do It?
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How Do They Do It?
Cuma, 01:30
How do they make some world's smoothest writing ballpoint pens that don't leak or fade? And, how do they make pizza for soldiers on the frontline? S15, Ep7
Daha fazla...Açıklama
How did the ancient Greeks invent parchment with techniques still used today? And how do they make shuttlecocks, the fasting moving object in sport? S15, Ep6
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