The rear cover is a marvel of engineering with carefully placed groove at the bottom to slide your nail and remove it with ease.

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On the surface, Sony's VAIO TT is a real marvel of engineering.

ENGADGET: Sony VAIO TT: unboxing, hands-on and impressions Hands-on

There are many, many pieces in the puzzle to get a marvel of modern engineering like a cellphone to ship, and each of those pieces has some wiggle room.

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The railway was lauded as an engineering marvel when it opened in 1909 and it remains a striking homage to the chutzpah of its creators.

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This is a shame, because the truth is that, of the two technologies, Horizontal Drilling is the real marvel of engineering and scientific innovation.

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