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Why Is Two 5 Watt Bulbs Not As Bright As A Ten watt Bulb ?
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What is a halogen light bulb? What halogen is used and why is this better?
Started by chrisBoard Technology |
Replies: 4 Views: 17723 |
02/02/2010 11:17:45 by Mazurka |
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does candle light produce electromagnatic field....same as light bulb..?
Started by tareggBoard Physics, Astronomy & Cosmology |
Replies: 4 Views: 10214 |
15/09/2013 22:29:48 by distimpson |
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Why haven't our irises evolved to close up entirely when facing BRIGHT sunlight?
Started by fizzfezBoard Plant Sciences, Zoology & Evolution |
Replies: 1 Views: 3894 |
23/05/2010 14:09:07 by Bored chemist |
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What caused a very bright sustained green glow in thunderclouds?
Started by escudoBoard Physics, Astronomy & Cosmology |
Replies: 10 Views: 12004 |
29/11/2018 23:44:48 by Petrochemicals |
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I need a bright efficient light for a large room, any ideas?
Started by Karen W.Board Technology |
Replies: 11 Views: 24741 |
22/01/2008 04:06:29 by Karen W. |