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Published online 2 March 2005 | Nature | doi:10.1038/news050228-7
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Collapsing bubbles have hot plasma core
Find could boost hopes for bubble-driven desktop fusion.
They call it a star in a jar: when sound waves crush bubbles of gas in a liquid, energy is released in a dramatic burst of heat and light.
Now the first detailed measurements of the phenomenon have shown that the molecules in the gas really do create a pinpoint of plasma, the energetic soup of ions and electrons found in every star.
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