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Do we need Leap Seconds?
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How long would it take light to travel 3 light seconds?
Started by trevorjohnson32Board Physics, Astronomy & Cosmology |
Replies: 5 Views: 4930 |
22/06/2017 12:36:08 by jeffreyH |
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In the initial seconds of the Big Bang did matter travel faster than the speed of light?
Started by Brian StrappiniBoard Physics, Astronomy & Cosmology |
Replies: 9 Views: 9027 |
05/03/2009 17:35:31 by Vern |
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What uses more energy, leaving the fridge door open for 15 seconds or opening and closing it twice?
Started by thedocBoard Physics, Astronomy & Cosmology |
Replies: 0 Views: 3129 |
03/06/2016 03:50:01 by thedoc |
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What uses more energy, leaving the fridge door open for 15 seconds or opening and closing it twice?
Started by thedocBoard Technology |
Replies: 2 Views: 6292 |
09/07/2016 15:06:34 by wolfekeeper |
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Why do I periodically hear a high-pitched tone lasting a few seconds?
Started by Ben RobertsonBoard Physiology & Medicine |
Replies: 10 Views: 123643 |
03/08/2021 01:44:57 by Zer0 |