They include BRABUS Monoblock light-alloy wheels with diameters ranging from 19 to 21 inches.

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"Ropes come in a variety of lengths and diameters to vary the difficulty of the exercises, " he says.

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Moore's Law inevitably will drive transistor widths below the 0.18-micron diameters now requiring all these fancy light tricks.

FORBES: Trick of the Light

Moore's Law will inevitably drive transistor widths below the 0.18-micron diameters that now require all these fancy light tricks.

FORBES: Trick Of The Light

They have diameters that are just 76% and 87% of that of Earth.

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This somewhat dangerous device had a six foot barrel, was made out of PVC irrigation pipe of varying diameters, and was powered by compressed air.

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This little gem was designed to hold a cheroot (a small cigar) in one of three so-called coloring bowls, shaped to accommodate cigars of different diameters.

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Jack Lissauer, of NASA's Ames Research Centre, in California, and his team, have not only confirmed the existence of the six planets, they have worked out their orbital periods, diameters and, in all but one case, their masses.

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