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  2. Hydrargyrum medium-arc iodide lamp - Wikipedia

    en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

    With HMI bulbs, color temperature varies significantly with lamp age. A new bulb generally will output at a color temperature close to 15,000 K during its first few hours. As the bulb ages, the color temperature reaches its nominal value of around 5600 K or 6000 K. With age, the arc length becomes larger as more of the electrodes burn away.

  3. Centennial Light - Wikipedia

    en.wikipedia.org/wiki/Centennial_Light

    The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...

  4. Orders of magnitude (radiation) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    Recognized effects of higher acute radiation doses are described in more detail in the article on radiation poisoning.Although the International System of Units (SI) defines the sievert (Sv) as the unit of radiation dose equivalent, chronic radiation levels and standards are still often given in units of millirems (mrem), where 1 mrem equals 1/1,000 of a rem and 1 rem equals 0.01 Sv.

  5. Luminous flux - Wikipedia

    en.wikipedia.org/wiki/Luminous_flux

    The luminous intensity (in candelas) is a measure of how bright the beam in a particular direction is. If a lamp has a 1 lumen bulb and the optics of the lamp are set up to focus the light evenly into a 1 steradian beam, then the beam would have a luminous intensity of 1 candela. If the optics were changed to concentrate the beam into 1/2 ...

  6. Organizations that took a stand amidst the disaster of ...

    www.aol.com/news/2015-08-28-organizations-that...

    The hurricane brought death, destroyed homes and belongings, and caused indescribable pain. The situation seemed hopefully for many, but several charities and organizations -- both big and small ...

  7. Hurricane Oscar heads for Cuba after making landfall in Bahamas

    www.aol.com/news/hurricane-oscar-heads-cuba...

    Oscar is currently located about 115 miles (185.07 km) east-northeast of Guantanamo, Cuba, with maximum sustained winds of 80 mph (130 km/h), the Miami-based forecaster said. Cuba's government on ...

  8. Kerosene lamp - Wikipedia

    en.wikipedia.org/wiki/Kerosene_lamp

    A kerosene lantern, also known as a "barn lantern" or "hurricane lantern", is a flat-wick lamp made for portable and outdoor use. They are made of soldered or crimped-together sheet-metal stampings, with tin-plated sheet steel being the most common material, followed by brass and copper. There are three types: dead-flame, hot-blast, and cold-blast.

  9. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

    www.aol.com/today-nyt-strands-hints-spangram...

    Up Next: - NYT ‘Connections’ Hints and Answers Today, Wednesday, January 29. Related: 15 Fun Games Like Connections to Play Every Day. Show comments. Advertisement. Advertisement.

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