Hundreds of Been there readers sent in images this month, which featured every colour in the spectrum.

成百上千的“在那里”的读者十月发来了图片，展示了每一种光谱中的颜色。

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By analysing data from a sensor that detects light in both the visible and the near-infra-red spectrum, a computer is able to determine the colour, type, shape and position of each item.

另外，内置传感器可在可视光谱与似乎红外光谱下探测到光线，计算机通过分析传感器的数据后便能够决定每个物件的颜色、类型、形状与位置。

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They suggest that their result may be connected with the fact that the colour of many fruits is at the red end of the spectrum.

他们称这一结果是因为很多果实的颜色都处于光谱的红色那一头。

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Mr Ball next treats us to a brisk description of the human eye (remember rods and cones from school biology?), an explanation of why Newton was right and Goethe wrong about the composite character of white light, and an account of the 19th-century regimentation of the continuous colour spectrum by means of colour wheels and other classifying devices.

ECONOMIST: Science and history of colour

That lengthens the wavelength of the light and shifts it towards the red end of the colour spectrum.

ECONOMIST: Fundamental physics

So we get to see the full beauty of the colour spectrum.

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