UDF SkyWalker V1.0. Asombroso anuncio de la NASA. Emergency and Disaster Information Service. - StumbleUpon. Ten Most Extreme Substances Known to Man. The 13 Most Important Numbers in the Universe - James D. Steins Cosmic Numbers. In the 17th century, scientists understood three phases of matter—solids, liquids and gases (the discovery of plasma, the fourth phase of matter, lay centuries in the future).
Back then, solids and liquids were much harder to work with than gases because changes in solids and liquids were difficult to measure with the equipment of the time. So many experimentalists played around with gases to try to deduce fundamental physical laws. Robert Boyle was perhaps the first great experimentalist, and was responsible for what we now consider to be the essence of experimentation: vary one or more parameter, and see how other parameters change in response. It may seem obvious in retrospect, but hindsight, as the physicist Leo Szilard once remarked, is notably more accurate than foresight. Sonoluminescence. Single-bubble sonoluminescence - A single, cavitating bubble.
Video of synthetic wound cavity collapsing creating sonoluminescence. Long exposure image of multi-bubble sonoluminescence created by a high-intensity ultrasonic horn immersed in a beaker of liquid History[edit] Glow In Dark Mountain Dew Bottle. Jem Melts Rock Using Sunshine - Bang Goes The Theory - Series 3, Episode 5 Preview - BBC One. The Scale of the Universe 2.