From the Author: Freezing bubbles on electromagnetic levitation device. This year we have had amazing winter weather, last year there basically was no snow or sub-zero temperatures where I live in South-Western Finland. First day of filming it was -14 C, 2 m/s wind, second day -20 C, 2 m/s wind. The wind wasn’t too much of a problem as I had a little bit of shelter from it.

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