Highest scoring comments of all time : bestof. The Moth Presents Anthony Griffith: The Best of Times, The Worst of Times. 8 Month Old Deaf Baby's Reaction To Cochlear Implant Being Activated. Fat Jew Gets Hookers to Re-enact "Braveheart" Battle Scene. The bravest, most eloquent 9 year-old kid in the world (English subtitles) Tiny Bubbles Explain Puzzle about Light from Sound. Sonoluminescencethe physical phenomenon by which sound turns into lightis as mystifying as a magic trick.
Despite 70 years of trying, scientists still cannot fully explain how a bubble of air in water focuses acoustic energy a trillionfold to spit out picosecond bursts of ultraviolet radiation. Initially physicists attributed the flashes to friction. In the late 1980s, though, they came to see that bubbles in a sound wave's path expanded and rapidly collapsedheating the gas inside them to temperatures hotter than the sun's surface. This collapse and heat, they determined, created a glowing plasma. In this week's issue of Physical Review Letters, Gary A.
Williams and his colleagues from the University of California at Los Angeles present evidence that lends further support to that theory. The researchers set out to explain earlier observations that the spectra of light from a single bubble lacked an emission linefor the molecule OHseen from multiple bubbles. Pakistan Airlines Ad from 1979. Introducing the Source Filmmaker.
TMB Panyee FC short film. Patrick Henry Hughes. QandA May 25th - response to question on Ryan Commission Report. Dr. Norman Finkelstein at the University of Waterloo.