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Moment of truth
The fastest man-made object that ever leave the Earth is the New Horizon spacecraft, launched in January 2006, and attained a speed of more than 36000 mph.


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epitaxial growth Chem., Elec.
Deposition of a layer of a substance on top of a single crystal substrate, such that the crystal structure of the substance with the desired orientation is reproduced. Such growth is often employed in fabrication of semiconductor materials. Techniques used to achieve the growth process including chemical vapor deposition where growth of molecular layers of the semicondictor substance can be controlled.

epitaxy Chem.
See epitaxial growth

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