Evening Republican, Volume 22, Number 269, Rensselaer, Jasper County, 7 November 1919 — Why Soap Bubbles Collapse. [ARTICLE]

Why Soap Bubbles Collapse.

—The am ordinary room ia filled with tiny particles of matter which fall on an airy soap bubble, alter the y surface tension, and —poof—it is gone. The effect of these minute particles on the stability of bubbles wps first brought to light, according to Popular Science Monthly, by Sir James Dewar. He experimented in clarified air until be was able to produce babbles which lasted for months. He has even produced a soap film which was a yegr old recently and Which seems to remain just as It was made.