Step 1: Fill the balloons with food coloring first, then fill them with water. Tie the balloons shut Step 2: Set the balloons outside, tied end down, and let them sit for at least 8 to 12 hours. Mine ...
LOUISVILLE, Ky. (WAVE) - Weather balloons play a crucial role in helping meteorologists gather detailed information about our atmosphere. They are launched twice daily from nearly 900 sites worldwide, ...
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