WISE's infrared eye, however, can see past the glow to capture the nebula's dust, which is also being warmed by light from Alnitak.

WISE的红外眼，可以透过发光体捕捉到星云的尘埃，这些尘埃也由于参宿一发光而升温。

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Now planned for commercial use, the eye tracker works by shining two invisible infrared lights at the user.

现在想想这个技术用于商业用途，基本原理是用两束不可见的红外光来照射用户。

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Spitzer's infrared instruments return reams of data to Earth as the orbiting observatory gathers light from far reaches of the universe, light that is invisible to the naked eye.

斯皮策太空望远镜在沿着轨道旋转时，收集了来自广阔太空的各种光线，这些光线对于肉眼来说是不可见的，但红外设备可以观测到，观测结果形成数据被传回地球。

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The UCLA team describes a new kind of polymer solar cell (PSC) that produces energy by absorbing mainly infrared light, not visible light, making the cells nearly 70% transparent to the human eye.

ENGADGET: UCLA creates transparent solar cell, dreams of current generating windows

If the light were not infrared but were instead in the visible spectrum, there was enough of it that the naked eye could have seen a glow, according to Phaedon Avouris , manager of nanometer scale science and technology at IBM (nyse: IBM - news - people ) Research Laboratories in Yorktown Heights, N.

FORBES: IBM Makes Molecule-Sized Light