As we age, the lens of the eye becomes less flexible, and our lighting requirements change.

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The irony is that it appears much easier to put in a new stage, seats and lighting than change the age-old culture of infighting and intrigue.

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Meanwhile, the controller screen showed a map of the area, a button to change the lighting, a button to change the camera angle, and game details like health level.

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LEDs offer flexible lighting that can change in intensity and colour.

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Car makers are already offering ambient lighting packages that customers can change, depending on their mood.

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The power of energy efficient lighting is not just in the emerging hardware, but in the software and networking that can maximize that hardware to deliver widespread economic benefit and truly change the way lighting is managed today.

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One recent Philips product, called ambilight, will even change the feel of your room lighting to suit the film you are watching.

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By partnering up, Lunera Lighting and Lutron Electronics hope they can help change that equation and tip the balance in favor of LEDs.

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In lighting, for instance, we've seen the development of light bulbs that can not only be turned on and off (and dimmed) via WiFi, but also change color -- from companies as diverse as lighting giant Philips and Kickstarter campaigner LIFX.

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Almost 20% of global electricity consumption comes from lighting, so shifting lighting to LED technology is a cost-effective way to get change at scale.

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Lighting in your home will be programed to emit a range of colors so you can change the mood whenever you feel like it.

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At Camp David, Bush can use the AMX system to change camera angles during a videoconference with General Tommy Franks, download reconnaissance photos and even adjust lighting.

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