Soft, light-coloured wallpaper and keeping your accessories to a minimum make your room light and airy.

软、浅色的墙纸可以使房间光线好和通风，尽量少使用配饰。

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Just imagine if changing the light in your room requires you to change the switch also. Would you care to purchase and set up such a system in your house?

想想一下，如果改一下房间里的灯同时需要改开关，你会乐意在你房子上花钱并安装这个系统吗？

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You can even Angle your flash up and behind you to fill a small to normal-size room up with beautiful light. Spin it around and up at about 45 degrees to hit the wall and ceiling behind you.

你还可以使闪光灯角度向上或向你身后，将闪光灯旋转45度朝向墙壁和天花板打光，让美丽的光线充满整间房子。

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There's nothing more exciting to see with your glasses on, while you look nice. You can take those off if you wish to, or you can try to just be splitting the light in the room until the TAs grab your glasses, either is fine.

虽然你们戴着眼镜很好看，但现没什么东西需要戴着看了，你们可以拿掉了,或者你们在助教收上来之前，试试看分开屋里的光。

麻省理工公开课 - 化学原理课程节选

Return to your room knowing you have just experienced an escape light years above all others.

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The keyboard also uses proximity detection to turn on the lighting when your hands approach it, and automatically dims or brightens, depending on the amount of light in the room.

ENGADGET: Logitech's K810 keyboard pairs with up to three devices, has a button for switching apps in Windows 8