Imaging technology has a rich history that began thousands of years ago. The reflection from a pool of still water or a shiny metal surface was arguably the first imaging method routinely used by mankind. With the advent of lenses, many other novel forms of optical imaging emerged, including telescopes and microscopes. Using a lens, a pinhole camera, and a sensitized pewter plate, Ni?pce was the first person to permanently record an image. Optical photography and other forms of optical imaging have since become commonplace.

Of course, imagin ....etc

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i want a ppt on terahertz wave and applications.please send me the above
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ULTRASONIC SOUND WAVES –ITS APPLICATIONS IN SCIENCE



Ultrasonics is used in day to day life in many fields:
cleaning metal parts of instruments, medical equipments.
Flaw detection in Metallurgy, Railways, Iron ropes etc.,
In Scientific research .
In Medical field as sonogram of human body.


What is ultrasonics?


Ultrasound is the sound wave
with a frequency above the audible range of human hearing
i.e, : above 20 KHz
up to 5 MHz o ....etc

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Imaging technology has a rich history that began thousands of years ago. The reflection from a pool of still water or a shiny metal surface was arguably the first imaging method routinely used by mankind. With the advent of lenses, many other novel forms of optical imaging emerged, including telescopes and microscopes.Using a lens, a pinhole camera, and a sensitized pewter plate, Niépce was the first person to permanently record an image. Optical photography and other forms of optical imaging have since become commonplace ....etc

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Imaging technology has a rich history that began thousands of years ago. The reflection from a pool of still water or a shiny metal surface was arguably the first imaging method routinely used by mankind. With the advent of lenses, many other novel forms of optical imaging emerged, including telescopes and microscopes.

Using a lens, a pinhole camera, and a sensitized pewter plate, Ni?pce was the first person to permanently record an image. Optical photography and other forms of optical imaging have since become commonplace.

Of course, im ....etc

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If anyone has any material related to TERAHERTZ waves please EMAIL it to me... my [email protected]. ....etc

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Imaging technology has a rich history that began thousands of years ago. The reflection from a pool of still water or a shiny metal surface was arguably the first imaging method routinely used by mankind. With the advent of lenses, many other novel forms of optical imaging emerged, including telescopes and microscopes. Using a lens, a pinhole camera, and a sensitized pewter plate, Niépce was the first person to permanently record an image. Optical photography and other forms of optical imaging have since become commonplace.
Of course, imaging ....etc

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