If you use evenly spaced values instead, the two models' outcomes will cluster differently.

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The oars cup and spill the water, leaving eight evenly spaced dimples in the river behind them.

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They might, for example, be assumed to be evenly spaced, say 1, 2, 3, 4.

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Rhythmic starbursts of green, white and yellow brushstrokes race across the horizontal canvas, punctuated by the silver-gray verticals of evenly spaced tree trunks.

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"We're saying that there should be the same amount of holiday, it should just be more evenly spaced throughout the year, " Ms Sodha said.

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But, by drilling a series of evenly spaced holes into the wire, Dr Lim has created a periodic structure with a band gap that blocks such light.

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They created a material that excluded light with a wavelength of one millimetre (the long end of the infra-red spectrum), using an array of aluminium-oxide posts that were spaced evenly across a grid.

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