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2. Infrared lamp - Wikipedia

   en.wikipedia.org/wiki/Infrared_lamp

   Incandescent light bulbs use a tungsten filament heated to high temperature to produce visible light and, necessarily, even more infrared radiation. Round bulbs, often tinted red to reduce visible light, provide infrared radiant heat suitable for warming of people or animals, but the power density available is low.

3. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   A heat lamp is an incandescent light bulb that is used for the principal purpose of creating heat. The spectrum of black-body radiation emitted by the lamp is shifted to produce more infrared light. Many heat lamps include a red filter to minimize the amount of visible light emitted. Heat lamps often include an internal reflector.

4. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   Contaminants, because they absorb more light and heat than the glass does, will create a hot spot on the bulb surface when the lamp is turned on. This extreme, localized heat causes the quartz to change from its vitreous form into a weaker, crystalline form that leaks gas. This weakening may also cause the bulb to form a bubble, weakening it ...

5. These are the best — and worst — lightbulbs for the planet

   www.aol.com/lifestyle/best-worst-lightbulbs...

   But anytime a bulb is used for light and not heat, these bulbs are a poor choice. They also have a short life-span — 1,000 hours of light as compared to, say, 10,000 for CFLs and 50,000 for LEDs.

6. List of light sources - Wikipedia

   en.wikipedia.org/wiki/List_of_light_sources

   This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...

7. Using Your Easy-Bake Oven Is About to Become Difficult - AOL

   www.aol.com/news/2011-03-14-easy-bake-oven-light...

   Come 2012, environmental regulations will restrict the sale of light bulbs, specifically that 100-watt incandescent. ... that unit didn't use a light bulb for heat. ...