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LIFX White 800 (left) and LIFX Original 1000 (right) sitting next to their retail packaging. LIFX (pronounced Life-X) is a line of energy-efficient, multi-color, Wi-Fi enabled, and digital addressable LED light bulbs that can be controlled via a Wi-Fi equipped device such as a smartphone or smartwatch.
An automatic lamp changer (or lampchanger) is a device used to ensure that a navigational light such as a marine lighthouse or aero beacon stays lit even if a bulb burns out. Numerous types exist. The common design elements are an array of two or more lamps (or bulbs), installed on a mounting which can rotate to various positions.
Most IKEA stores recycle light bulbs and drained batteries, and the company is also exploring the recycling of sofas and other home furnishing products. Energy sources In August 2008, IKEA announced that it had created IKEA GreenTech, a €50 million venture capital fund.
By the 2013 edition, 12% of imagery for the IKEA catalogue, brochures and website was computer-generated. [3] As of 2014, 75% of product images (i.e. white background images) and 35% of non-product images across all IKEA communications are fully computer-generated. [10] Augmented reality was introduced in the 2013 edition of the catalogue.
Security lighting to prevent intrusions may be counter-productive. Turning off lights halved the number of thefts and burglary in Övertorneå Sweden. [2] [3] A test in West Sussex UK showed that adding all-night lighting in some areas made people there feel safer, although crime rates increased 55% in those areas compared to control areas and to the county as a whole.
An important property of light fixtures is the luminous efficacy or wall-plug efficiency, meaning the amount of usable light emanating from the fixture per used energy, usually measured in lumen per watt. A fixture using replaceable light sources can also have its efficiency quoted as the percentage of light passed from the "bulb" to the ...