BEST AC FILTER - AC FILTER


BEST AC FILTER - POND FILTER BACTERIA.



Best Ac Filter





best ac filter






    filter
  • A screen, plate, or layer of a substance that absorbs light or other radiation or selectively absorbs some of its components

  • A porous device for removing impurities or solid particles from a liquid or gas passed through it

  • A device for suppressing electrical or sound waves of frequencies not required

  • remove by passing through a filter; "filter out the impurities"

  • device that removes something from whatever passes through it

  • an electrical device that alters the frequency spectrum of signals passing through it





    ac
  • The chemical element actinium

  • actinium: a radioactive element of the actinide series; found in uranium ores

  • alternating current: an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"

  • .ac is the Internet country code top-level domain (ccTLD) for Ascension Island. It is administered by NIC.AC, a subsidiary of the Internet Computer Bureau based in the United Kingdom.











TELSA IS ALIVE AND WELL




TELSA IS ALIVE AND WELL





Nikola Tesla (10 July 1856 – 7 January 1943) was an inventor and a mechanical and electrical engineer. Tesla was born in the village of Smiljan near the town of Gospic, Austrian Empire, Croatian Krajina. He was an ethnic Serb subject of the Austrian Empire and later became an American citizen.[2] Tesla is often described an important scientist and inventor of the modern age, a man who "shed light over the face of Earth".[3] He is best known for many revolutionary contributions in the field of electricity and magnetism in the late 19th and early 20th centuries. Tesla's patents and theoretical work formed the basis of modern alternating current electric power (AC) systems, including the polyphase power distribution systems and the AC motor, with which he helped usher in the Second Industrial Revolution.

After his demonstration of wireless communication (radio) in 1894 and after being the victor in the "War of Currents", he was widely respected as one of the greatest electrical engineers who worked in America.[4] Much of his early work pioneered modern electrical engineering and many of his discoveries were of groundbreaking importance. During this period, in the United States, Tesla's fame rivaled that of any other inventor or scientist in history or popular culture,[5] but due to his eccentric personality and his seemingly unbelievable and sometimes bizarre claims about possible scientific and technological developments, Tesla was ultimately ostracized and regarded as a mad scientist.[6][7] Never having put much focus on his finances, Tesla died impoverished at the age of 86.

The SI unit measuring magnetic flux density or magnetic induction (commonly known as the magnetic field "B"), the tesla, was named in his honor (at the Conference Generale des Poids et Mesures, Paris, 1960), as well as the Tesla effect of wireless energy transfer to wirelessly power electronic devices which Tesla demonstrated on a low scale (lightbulbs) as early as 1893 and aspired to use for the intercontinental transmission of industrial energy levels in his unfinished Wardenclyffe Tower project.

Aside from his work on electromagnetism and electromechanical engineering, Tesla has contributed in varying degrees to the establishment of robotics, remote control, radar and computer science, and to the expansion of ballistics, nuclear physics,[8] and theoretical physics. In 1943, the Supreme Court of the United States credited him as being the inventor of the radio.[9] Many of his achievements have been used, with some controversy, to support various pseudosciences, UFO theories, and early New Age occultism.

Tesla is honored in Serbia and Croatia, as well as in the Czech Republic and Romania. He was awarded the highest order of the White Lion by Czechoslovakia.













MTH "RailKing" Burlington Zephyr




MTH "RailKing" Burlington Zephyr





This is my MTH "RailKing" Zephyr that runs on my Department 56 Christmas display railroad. This is a "toy" version of the Zephyr, not a scale model, but it works well on the 31" diameter curves of my display! In the backgroud are various Department 56 buildings and accessories.

This photo was taken as a test of my new Olympus E-510 DSLR. The exposure was twenty SECONDS at f22 and 100 ISO; no noise filter. The standard Olympus 14-42mm zoom kit lens was used, which gives great performance. The picture was taken at night using whatever light happened to be in the room, which was mostly the tree and the lights of the display.

A small bit of post-processing was done with Adobe Lightroom, mainly to "cool" the picture, as all those little lights burn orange, not white. (The white balnce was set properly, but the image sitll needed a bit of help.) An unexpected benefit was the "twinkling" lights of the Christmas tree in the backgroud, no filter or special effect, it's just what the camera picked up.

Best viewed LARGE.









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