Averagesupernova's latest activity
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Averagesupernova reacted to berkeman's post in the thread I need a concave mirror with a focal length length of 150 feet? with
Haha.
Or borrow your neighbor's cat and show it a fake bird you have pulled up the tree with a string. After the cat gets about half-way up... -
Averagesupernova replied to the thread I need a concave mirror with a focal length length of 150 feet?.I once used a 12 gauge shotgun to chip away at a branch that was mostly broken off but still hanging on. Damage from a storm. It was...
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Averagesupernova replied to the thread I need a concave mirror with a focal length length of 150 feet?.It's balance was a little better than I thought it would be. The problem with a wedge in the back is there was no room to swing a hammer...
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Averagesupernova replied to the thread I need a concave mirror with a focal length length of 150 feet?.I have never heard of this. A tree that is evenly loaded branch-wise generally will fall in the direction of the rope/cable if the...
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Averagesupernova reacted to DaveE's post in the thread Multiple signals controlling relay with
Like.
This sounds like a safety critical application. If so, I like the latching relay idea. You need one non-volatile memory bit that can... -
Averagesupernova reacted to berkeman's post in the thread Multiple signals controlling relay with Like.
That suggests using a latching relay.
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Averagesupernova replied to the thread Misc. Heterogenous fiber rope strength.You are reinventing the wheel. The reliability of this material is certainly not better than solid wire. It does offer visibility which...
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Averagesupernova reacted to Baluncore's post in the thread Beauty of old electrical and measuring things, etc. with Like.
The 12AX7 continues to be used in guitar amplifiers today. I don't know why they worry you, it is just a matched pair of N-channel FETs...
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Averagesupernova replied to the thread Life expectancy of a domestic PV system.Yes, I would assume that their presence keeps anyone else's solar off the roof. So if they're not hooked up what benefit is it to the...
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Averagesupernova replied to the thread Life expectancy of a domestic PV system.So who's liability is it if roof work is needed?
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Averagesupernova replied to the thread Rethinking Physics Education.@kuruman concerning my post #47, I think I'm going to quit while I'm ahead. You replied to my post in a quite lengthy manner. A detailed...
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Averagesupernova replied to the thread Rethinking Physics Education.I find this very strange. It's difficult for me to believe that no one had ever explained this to you. Not calling you a liar. I'd say...
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Averagesupernova reacted to DaveE's post in the thread Ground loop on electronic audio systems with Like.
Yes, 100% agree. The grounding of shields in cables can be really complicated in practice. In more complex cables, I have sometimes just...
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Averagesupernova replied to the thread Ground loop on electronic audio systems.Truth is that there normally can be ground currents on the shield of coax cables that go unnoticed. The nature of a concentric shield...
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Averagesupernova reacted to berkeman's post in the thread Why Don't Insulin Needles "Damage" You or Hurt When Poking Yourself? with Haha.
Nice nail polish Dave. :smile:
