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LER: Luminaire Efficacy Rating
Jim
-
October 20, 2009
The Nernst Lamp – An Early Ceramic Glower
Nixie Tubes – Old But Awesome Technology
Vintage Power and Light: The Coolest Thing to Happen to Tungsten Since Edison!
The Daily Lamp: Mike Thompson’s BLOOD LAMP – Would You BLEED for Light?
Happy Birthday, Francis Robbins Upton!
Jim
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February 25, 2010
1
Happy Birthday, Joesph Swan!
Jim
-
November 2, 2009
3
Lighting 101: HID Lamps
Jim
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December 31, 2008
1
Good Morning Inspiration – David Willey Explodes His Condom Light Bulb...
Jim
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June 4, 2013
0
Good Morning Inspiration: The Byegone Music Video from Volcano Choir, A...
Jim
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August 2, 2013
0
High Speed Photography of Light Bulbs As They Explode, Filled with...
Jim
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June 4, 2013
0
Happy Birthday, Edison’s Light Bulb!
Jim
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October 21, 2010
0
Let’s Compare Energy Efficient Lighting Technologies! [Infographic]
Jim
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March 7, 2013
1
The Kruithof Curve – Color Temperature VS Illuminance
Jim
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September 25, 2009
2
The Stalin Lamp
Jim
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April 17, 2009
1
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3
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