Sound waves are vibrations that travel through the air. Complex waveforms are the combination of hundreds of waves. If a voice sounds bright it is usually because it is producing upper harmonics at higher amplitudes. If it is duller sounding, it has less upper harmonic content. The combination of all of these different simple sound waves at different frequencies and different amplitudes (levels) produces complex waveforms. These variations in complexity and harmonic structure are how we can tell the difference between the sound of a guitar and a trumpet, a knock on metal or wood, and a real human voice verses a synthesized one. There are a handful of basic waves not commonly found in nature, but easily created with electronics. These basic waves are the building blocks of many synthesizers, basic MIDI, and warning systems. The most basic and simple waveform, a sine wave, has only a fundamental and no harmonics. You may recognize it from warning tones and beeps. See images and listen to sounds at: http://www.thedawstudio.com/Tips/Soundwaves.html
A glass has a natural resonance. Resonance is the natural frequency at which the glass will readily vibrate. To find the resonance of the glass, ping the glass and listen to the sound. That is the correct frequency (or tone) for the glass to start to vibrate. The glass itself must not be affected by damping. Embossed glasses should be avoided. Lead in lead crystal may provide damping although otherwise the glass is very pure. The glass should be empty. The walls of the glass should be as thin as possible. Making the same tone as the natural frequency of the glass will induce vibration in the glass. However, the note alone is not the only factor - volume is also important. The louder the sound, the more violent the vibrations will be. When they reach a level that the glass cannot withstand it will shatter. Link to glass art and glass songs at:
http://www.breakglass.org/How-does-sound-break-glass.html
A fog bow is a similar phenomenon to a rainbow, however, as its name suggests, it appears as a bow in fog rather than rain. Because of the very small size of water droplets that cause fog—smaller than 0.05 millimetres (0.0020 in)—the fog bow has only very weak colors, with a red outer edge and bluish inner. See images and link to moonbow, halo and sun dog at: http://en.wikipedia.org/wiki/Fog_bow
Nina Wilcox Putnam (1888–1962) was an American novelist, screenwriter and playwright. During her career she wrote over 500 short stories, around 1000 magazine articles, and several books in addition to regular newspaper columns, serials, comic books and children's literature. Many of her stories were made into films, including a story that was the basis for the 1932 film The Mummy starring Boris Karloff. She was estimated to have earned one million dollars from her writing, and drafted the first 1040 income tax form for the IRS. http://en.wikipedia.org/wiki/Nina_Wilcox_Putnam
On March 2, 1962, Wilt Chamberlain set the NBA single-game scoring record by tallying 100 points for the Philadelphia Warriors in a 169-147 victory over the New York Knicks. Not 98 points, not 102, but a nice, round 100 -- an imposing record set by a most imposing player. Chamberlain was a gargantuan force in the NBA, a player of Bunyanesque stature who seemed to overshadow all around him. He was a dominant offensive force, unstoppable on his way to the basket, yet he was also a fine all-around athlete who took pride in developing the all-around skills to compete with players a half-foot shorter. He certainly was unstoppable that night in Hershey, Pa., where the Warriors played a few of their "home" games in order to attract additional fans. With New York's starting center, Phil Jordan, sidelined by the flu, Chamberlain could not be contained by Darrall Imhoff and Cleveland Buckner. He scored 23 points in the first quarter and had 41 by halftime, then tallied 28 in the third quarter, when the fans began to chant, "Give It To Wilt! Give It To Wilt!" That's exactly what the Warriors did, feeding Chamberlain at every opportunity in the fourth quarter. The Knicks tried fouling other Philadelphia players to keep the ball away from Chamberlain, but the Warriors countered by committing fouls of their own to get the ball back. See picture at: http://www.nba.com/history/features/moment-1962-wilt-100/index.html
See details, statistics and pictures at: http://en.wikipedia.org/wiki/Wilt_Chamberlain's_100-point_game
Mr. Atomic, (identical twins, Mark and Michael Kersey), having been raised on comic books, Saturday cartoons, and sci-fi movies, developed a love of art and sense of humor at an early age. Pursuing their interest, Mark and Mike attended various art classes at the Toledo Museum of Art and private instruction from the likes of Walter Chapman and Diane Attie between 1962 and 1967. They have worked with area businesses such as Thomas Hart Associates and Libbey Glass, before venturing out to become their own bosses both in Toledo and Dallas. Mark and Michael currently maintain a working studio and gallery at Common Space, 1700 N. Reynolds Road, Suite 204, Toledo Ohio. Link to paintings and more at: http://mratomicart.com/Bio.html
Personal note: I have their entwined tulips (that remind me of ballet dancers) painted on wood.
A leap year (or intercalary or bissextile year) is a year containing one additional day (or, in the case of lunisolar calendars, a month) in order to keep the calendar year synchronized with the astronomical or seasonal year. Because seasons and astronomical events do not repeat in a whole number of days, a calendar that had the same number of days in each year would, over time, drift with respect to the event it was supposed to track. By occasionally inserting (or intercalating) an additional day or month into the year, the drift can be corrected. A year that is not a leap year is called a common year. For example, in the Gregorian calendar (a common solar calendar), February in a leap year has 29 days instead of the usual 28, so the year lasts 366 days instead of the usual 365. Similarly, in the Hebrew calendar (a lunisolar calendar), a 13th lunar month is added seven times every 19 years to the twelve lunar months in its common years to keep its calendar year from drifting through the seasons too rapidly. http://en.wikipedia.org/wiki/Leap_year
February 29, known as a leap day in the Gregorian calendar, is a date that occurs in most years that are evenly divisible by 4, such as 2004, 2008, 2012 and 2016. Years that are evenly divisible by 100 do not contain a leap day, with the exception of years that are evenly divisible by 400, which do contain a leap day; thus 1900 did not contain a leap day while 2000 did. Years containing a leap day are called leap years. February 29 is the 60th day of the Gregorian calendar in such a year, with 306 days remaining until the end of that year. A person who is born on February 29 may be called a "leapling" or a "leap year baby". See Feb. 29 births and events at: http://en.wikipedia.org/wiki/February_29
Wednesday, February 29, 2012
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment