Tornado in a bottle Experiment

How to make a vortex in a bottle.
Easy experiment to make at home with kids. Tornado tube.
whirlpool.
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[@LeJournaldelEspace]

Alors pourquoi la lampe a UV éclaire-t-elle l'indian tonic?

[@YouLab]

L'indian tonic (par exemple le schweppes) contient de la Quinine. Cette substance extraite d’écorce produit une jolie lumière bleu lorsqu’elle est soumise aux UV. ;)

[@fireds9555]

is that work!