NerdGuy Fridays: Dispatches from a Writer's Brain - M. L. Buchman

NerdGuy Fridays #13: Speed of Sound

Lightning Most of us were taught as kids to count seconds after a lightning flash until we heard thunder. Five seconds per mile. This is an okay estimate (5 seconds is actually 1.06 miles at at 20 deg C at sea level), especially as thunder can be a sharp crack or a low rumble that …

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