on what account do things look jiggly behind a barbecue.

on what account do things look jiggly behind a barbecue, candle, or campfire?

Julianna Perciavalle, Age 7

New York

The air oftentimes seems to have wavy lines throughout hot areas. This sight also happens athwart the sun-baked road or soil In all of these cases, swirls of heated air move upward, through the indifferent air higher up. While that air is mixing, any light that passes by means of it must go in and gone out of ...

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