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File: Beat-superposition of 104hz and 110hz sine waves. ogg A 110 Hz A sine wave ( magenta ; first 2 seconds ), a 104 Hz G # sine wave ( cyan ; following 2 seconds ), their sum ( blue ; final 2 seconds ) and the corresponding envelope ( red )
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File and sine
File: unlv_5. jpg | The glass wall of the Robert L. Bigelow Physics Building was built in the shape of a sine wave, while banners inside represent the colors of the spectrum.
File and waves
File: Christiaan Huygens-painting. jpeg | Christiaan Huygens ( 1629-1695 ): studied the rings of Saturn and discovered its moon Titan, invented the pendulum clock, studied optics and centrifugal force, theorized that light consists of waves ( Huygens – Fresnel principle ) which became instrumental in the understanding of wave-particle duality.
File: Cdoppler. jpg | Christian Doppler ( 1803-1853 ): first described how the observed frequency of light and sound waves is affected by the relative motion of the source and the detector, a phenomenon which became known as the Doppler effect.
File: Ernst Mach 01. jpg | Ernst Mach ( 1838-1916 ): contributed the Mach number, studied shock waves and how airflow is disturbed at the speed of sound, influenced logical positivism, forerunner of Einstein ’ s relativity through his criticism of Newton
File: Heinrich Rudolf Hertz. jpg | Heinrich Hertz ( 1857-1894 ): clarified and expanded Maxwell's electromagnetic theory of light, first to prove the existence of electromagnetic waves by engineering instruments to transmit and receive radio pulses
File: Storm Beach-geograph. org. uk-184493. jpg | These boulders, thrown up by the waves to form a storm beach 30 metres above the sea, demonstrate the power of the sea
File and .
You may apply for such an extension by filing Form 2688, Application For Extension Of Time To File, with the District Director of Internal Revenue for your district, or you may make your application in a letter.
7070/7074 Autocoder includes the following declarative statements: DA ( Define Area ), DC ( Define Constant ), DRDW ( Define Record Definition Word ), DSW ( Define Switch ), DLINE ( Define Line ), EQU ( Equate ), CODE,DTF ( Define Tape File ), DIOCS ( Define Input/Output Control System ), and DUF ( Descriptive Entry For Unit Records ).
In addition to information related to the file and its records, the File Specifications contain subroutine locations and the location of tape label information.
File: RomaniaDanubeDelta MakingMaterialForCOnstructing0003jpg. JPG | Still in production today, Romania's Danube Delta
File: RomaniaDanubeDelta MakingMaterialForCOnstructing0002jpg. JPG | Mixing mud and straw in brick frames
File and ogg
File: villa-borg-2011-gladiatoren1. ogg | Video of a show fight at the Roman Villa Borg, Germany, in 2011 ( Retarius vs. Secutor, Thraex vs. Murmillo ).
A 6 minute video of a flight over the Grand Canyon (: File: Grand canyon. ogg | view in high quality )
Semibalanus balanoides feeding ( also available at: File: Semibalanus balanoides upernavik 2007-07-05. ogg | higher resolution )
A motionless individual, alert to danger, will whistle when alarmed to warn other groundhogs File: Woodchuck ( Wild America ). ogg
File: Jubilee line-Canary Wharf 01. ogg | Canary Wharf Tube station Jubilee Line Train leaving the station
File: Jubilee line-Canary Wharf 02. ogg | Canary Wharf Tube station Jubilee Line Train Coming in to the station
File: LungandEffusion. ogg | The lung expanding within an area of pleural effusion as seen by ultrasound
2.240 seconds.