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Snow and vacuum science in high school lab
A high school lab experiment shows ice water boils in a vacuum and ice vanishes without air pressure. The piece explains how air pressure keeps ice and water from boiling and notes lunar and planetary whiteness and Pluto’s lack of snow. It ends with a cold season tip about humid air reducing colds and a request for a humidity tab from Prof Selby Maxwell.
MENTIONED IN THIS ARTICLE
Saturn
Pluto
Mercury
Mars
Pio
Selby Maxwell
Spectator