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Section Forums
16592 threads, 335415 comments
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07/17/2026
by gbcengineers
I have been looking into how AI workloads are affecting data center design, and one question keeps coming up around structural capacity in colocation...
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07/15/2026
by Screedie
A large proportion of the piping systems I have viewed recently have ambient temperature as the max thermal condition.
Considering the recent severe...
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07/08/2026
by gbcengineers
A PUE below 1.2 is possible, but I would be careful about treating it as a target that can be achieved simply by selecting more efficient cooling equi...
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07/01/2026
by ShantanuANZ
General metal loss (GML) is the most frequently encountered damage mode in piping and pressure vessel inspection programmes. API 579-1 Part 4 provides...
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2190 threads, 4379 comments
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07/24/2026
by gbcengineers
Many existing data centers were designed around 5–15 kW per rack and air cooling. That baseline worked well until AI workloads changed the load...
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07/23/2026
by valvesonlycanada002
Double Block and Bleed ball valves are manufactured to provide superior pipeline isolation by incorporating two independent sealing surfaces with an...
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07/09/2026
by Rachana Solanki
Duplex steel flanges are widely used in industries where strength, corrosion resistance, and long service life are essential. Their unique microstruct...
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07/08/2026
by Rachana Solanki
Carbon steel pipes are one of the most widely used piping solutions across industries due to their strength, durability, and cost-effectiveness. They...
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731 threads, 12629 comments
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See all Blog Entries
Section Blogs
459 blog entries, 31218 comments
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06/30/2026
Your friend makes a $250 bet with you.
He will pick a number between 1 and 1,000. If you can guess this number in 10 or less questions or guesses, yo...
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05/31/2026
Scenario
You are the on-call engineer for a hydrogen compressor skid. The control system has five sensors arranged in a serial telemetry chain. Each...
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532 blog entries, 9024 comments
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08/06/2025
by ThePuzzler
I - The Puzzler - am here to present to you, another mystifying puzzle that will tie your brain in knots and leave your logic in tatters! In this ridd...
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07/25/2025
by ThePuzzler
Some of the CR4 team is working on expanding content offerings to our humble little community.
I - The Puzzler - present to you The Science Sprint qu...
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Other Blog Entries of Interest
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11/09/2023
posted in Workbench Creations
by user-deleted-1105
I made a mki archer automaton out of wood a few years back, it was pretty good and it shot an arrow with a convincing action. The problem was, you had...
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10/04/2020
posted in Relativity and Cosmology
by Jorrie
When I first heard that there is no easy exact formula for the circumference of the standard ellipse, I found it hard to believe. I had already learne...
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08/24/2020
posted in Relativity and Cosmology
by Jorrie
In my prior Blog post on the Einstein equivalence principle, I have not identified important values, like the mass of the black hole, real distances a...
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08/17/2020
posted in Relativity and Cosmology
by Jorrie
One day after Alice's arrival at Deep-2, she and Dot sat down for the change of shift briefing - recall that Dot must soon return for Home leave. Whil...
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08/11/2020
posted in Relativity and Cosmology
by Jorrie
This is a fanciful little scenario for 'flexing the muscles' of acceleration in space-propertime a little and so giving a better intuitive feel for th...
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