Physicists have seen a region of plasma in a single-bubble sonoluminescence experiment for the first time. They have also found that the temperature inside the bubble can reach up to 20,000 K (D Flannigan and K Suslick 2005 Nature 434 52).
Bubbles feel the heat
03 Mar 2005 Isabelle Dumé
Isabelle Dumé
is a contributing editor to Physics World