Jet engines produce water vapor in their exhaust. When this hot vapor hits the very cold air outside, it freezes, creating a streak of tiny ice crystals in the sky.
Why Does Uncertainty Bother Us So Much? | Adam Kucharski | TED · TED
How native speakers pronounce “freezes”
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Jet engines produce water vapor in their exhaust. When this hot vapor hits the very cold air outside, it freezes, creating a streak of tiny ice crystals in the sky.
Why Does Uncertainty Bother Us So Much? | Adam Kucharski | TED · TED