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Ceiling Lights for Bedrooms, Kitchens & More - Homedepot.ca

Browse options for bedroom ceiling lights, kitchen ceiling lights, outdoor ceiling lights & more in various styles.

Source: www.homedepot.ca

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The main source of natural light on Earth is the Sun. Historically, another important source of light for humans has been fire, from ancient campfires to modern kerosene lamps. With the development of electric lights and power systems, electric lighting has effectively replaced firelight.

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In its simplest form, quantum theory describes light as consisting of discrete packets of energy, called photons. However, neither a classical wave model nor a classical particle model correctly describes light; light has a dual nature that is revealed only in quantum mechanics.

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