Researchers have discovered a method to generate nuclear reactions using sound waves and tiny bubbles, supporting the development of an inexpensive 'tabletop' device. The process creates conditions comparable to the interior of stars, with temperatures reaching 10 million degrees Celsius.
Researchers have made significant discoveries in controlling friction at the nanometer scale, developing more resilient network architectures, and precisely manipulating millions of atoms. These advancements hold promise for improving nanoengineering applications and enhancing our understanding of fundamental mechanisms.
Researchers measured the chemical reactions and light emission from a single water bubble excited by sound waves, finding temperatures high enough to break water molecules apart. The experiment showed that only a small fraction of sound energy is converted into light, with most energy going into mechanical energy.
Researchers have discovered a possible atomic process behind sonoluminescence, which could aid in the emerging field of sonochemistry. The study proposes that stimulated atoms decaying in unison emit light, explaining the short pulses observed in sonoluminescence.
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A Johns Hopkins researcher proposes that a tiny jet of liquid inside a bubble could be the cause of sonoluminescence, releasing energy as light. The theory suggests that the fluid's fracture creates a foothold for noble gas atoms to initiate luminescence.