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Physics Forums's title: Physics Forums | Science Articles, Homework Help, Discussion

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Message History

ail lift jerky when lowering — hydraulic issue?
My truck tail lift has started behaving strangely when lowering. It’s no longer smooth and now feels jerky, sometimes pausing mid-way before continuing down. It almost feels like the hydraulic pressure is unstable.

Hydraulic oil level looks normal and I don’t see any obvious leaks, but the...


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Removing silver stains
I should know better. Really I should. But I did it.... again.

While refining silver from various scrap, some of the jars "migrated" into the kitchen. I thought they were empty, and I thought I'd cleaned the bottoms. Now there are purple spots on the kitchen counters.

Is there a method to...


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Los Alamos cosmology enthusiast
Hi, I'm a big fan of cosmology and space science. Living in Los Alamos, I come across some great stories from these fields and will share them here.

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The Universe’s Brightest Explosions Were Discovered by Accident
One of my favorite scientific twists:

Satellites designed to catch nuclear detonations accidentally discovered gamma-ray bursts — the brightest known explosions in the universe.

For years, nobody knew whether the signals were nearby, galactic, or cosmological. Now we know they’re tied to...


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Problems with DNS records
A silly prefix for this question I know but that was as close as I could get.

Initially I didn't really think of this forum as a place for intricate IT developer or adminstrator questions but I heard through the grapewine that there's a not insignificant number of retired IT folks here...


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