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What Do You Perceive as the Pros and Cons?

07/09/2024
posted in General Discussion
by SolarEagle
Views: 172, Comments: 9
Last comment 07/12/2024 by Lehman57
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An Attempt to Refute Coriolis Coiling Water in the Sink

07/08/2024
posted in General Discussion
by Yuval
Why do waters poured in the sink will spontaneously start a coiling flow? ChatGPT: When water is poured into a sink, it can sometimes spontaneously...
Views: 194, Comments: 9
Last comment 07/12/2024 by BruceFlorida
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Is a Worm Hole Created Between Entangled Particles?

07/07/2024
posted in General Discussion
by HiTekRedNek
Is a worm hole created between entangled particles? IMHO that seems to be the case with the observed effects. Is our universe a bunch of particles e...
Views: 106, Comments: 8
Last comment 07/10/2024 by Stef
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Double Slit Experiment in a Vacuum?

07/07/2024
posted in General Discussion
by HiTekRedNek
Has the double slit experiment been performed in a near perfect vacuum?Does the size or shape of the slit or splitter make any difference?How about wi...
Views: 104, Comments: 7
Last comment 07/09/2024 by redfred
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Lightning Protection - Tape Mesh on the Roof

07/07/2024
posted in Electrical Engineering
by Alanvaderi
Which is better solution for metal sheet Roof - Insulated Tape or bare Tape for the Lightning Protection Mesh arrangement?
Views: 71, Comments: 4
Last comment 07/08/2024 by PWSlack
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Dredger Winch Failure

07/05/2024
posted in Mechanical Engineering
by Anonymous Poster
Hi guys, it's been a longtime I have not heard about this forum. I'm back with another topic and question to ask you. We recently encountered failur...
Views: 152, Comments: 8
Last comment 07/07/2024 by redfred
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Red Shift

07/04/2024
posted in General Discussion
by Haymaker
Expanding space. It's been almost one hundred years since Hubble red shift. And we have a library of fairy tales to explain it. Compare Hubble's shif...
Views: 123, Comments: 6
Last comment 07/04/2024 by Haymaker
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Why a New Password for Every Time I Log In?

06/28/2024
posted in General Discussion
by HiTekRedNek
Why must I enter a new password every time I log in to CR4? This has been going on for several weeks now. I have checked all of the likely suspects a...
Views: 104, Comments: 8
Last comment 07/01/2024 by PWSlack
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Solar Battery Versus Car Battery

06/26/2024
posted in Electrical Engineering
by gutmonarch
Which is better? Why not use car battery, inverter and solar collectors instead of exploiting Lithium in the depths of the Earth? Why? Why? WHy?
Views: 221, Comments: 14
Last comment 07/04/2024 by dvmdsc
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Transformer Voltage Measurement?

06/26/2024
posted in Electrical Engineering
by Manfred2
Hi All, I have measured 5 volts ac out of a power supply, however, when I connect this to a transformer and take the same reading, the voltage drops...
Views: 140, Comments: 6
Last comment 06/27/2024 by vsar
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Arc Flash Study — Arc Rated Switchgear

06/25/2024
posted in Electrical Engineering
by Anonymous Poster
If we have arc-rated switchgear, can we conduct live maintenance without performing arc flash studies? If we have arc-rated switchgear, is there stil...
Views: 133, Comments: 6
Last comment 07/08/2024 by Anonymous Poster
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Trying to Identify and Source Window Parts

06/21/2024
posted in General Discussion
by BruceFlorida
Views: 175, Comments: 15
Last comment 06/26/2024 by BruceFlorida
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Color Cubed (July '24 Challenge Question)

06/30/2024 posted in Challenge Questions
You are the owner of a very new, very boring, white cube. (Congrats!) You also have vast amounts of paint - but only in the colors red, blue and yell...
06/30/2024 Views: 395, Comments: 13
Last comment 07/07/2024 by Kris
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Can You Spell 'Inglenook'? (June 2024 Challenge Question)

05/31/2024 posted in Challenge Questions
This month's challenge question comes from the world of railroading. Inglenook siding puzzles are a unique way to create combinations of train consist...
05/31/2024 Views: 534, Comments: 5
Last comment 06/12/2024 by Randall
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"We Got A Great Big Convoy" (May 2024 Challenge Question)

04/30/2024 posted in Challenge Questions
You own a trucking company with a fleet of trucks. You need to deliver one pallet of feather pillows. The delivery destination is 270 miles away. The...
04/30/2024 Views: 673, Comments: 22
Last comment 05/28/2024 by Anonymous Poster
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