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Single bubble sonoluminescence (SL) is the spontaneous emission of picosecond pulses of broadband light from a micron-size gas bubble levitated in water by the application of an external sound field.The bubble expands and contracts in phase with the oscillating pressure field.
Sonoluminescence is a little-understood phenomenon whereby light is emitted by tiny bubbles suspended in a liquid subjected to intense acoustic fields. The aim of this work was to construct apparatus to enable the observation of single-bubble sonoluminescence, to investigate its basic properties, and leave a kit and instructions to form the basis of a future final-year undergraduate experiment.
But then it came down to the crucial question: did Putterman find fusion? The result was negative. Recording data nanosecond by nanosecond, Putterman did not find a single neutron close enough to a flash of light for it to be considered the result of nuclear fusion.
Not at all. You focus enough kinetic energy at a small enough point and you can "knock" electrons out of their atoms. As the energy and temperature go down, the electrons recombine with their atoms. This causes the emission of photons. Pretty much the same principle behind neon lights.
Originally posted by beebsI am not sure yet what it means... but it does seem like it requires a new physics paradigm to explain..
Not at all. You focus enough kinetic energy at a small enough point and you can "knock" electrons out of their atoms. As the energy and temperature go down, the electrons recombine with their atoms. This causes the emission of photons. Pretty much the same principle behind neon lights.