DaveE's latest activity
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DaveE reacted to FactChecker's post in the thread Finding the nth roots of a complex number with
Like.
By the time one takes complex analysis, he should be comfortable leaving it as ##\sqrt 2##. Leave the approximation accuracy for the... -
Why not heat a stainless steel water container, that is fixed-in-place? If heated from below, the water will circulate and mix, so ice...
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DaveE reacted to Frabjous's post in the thread Other Which branch of engineering is more physics heavy? with Like.
It is too hard to say without knowing at what level the courses are taught and what is offered in the physics department. This is what...
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DaveE replied to the thread Other Which branch of engineering is more physics heavy?.But you asked about the convergence of engineering and physics. Engineering is nearly always about devices. Otherwise you'll be stuck...
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Einstein was in academia. He published in the professional scientific literature of his time. He was an academic that also worked as a...
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DaveE replied to the thread When 50,000 volts go through a wire at 5,000,000 FPS - The Slow Mo Guy.Yes, that works for me. But the charges inside the wire (the waveguide part) are also involved. Ultimately it's a bit too complex to be...
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DaveE reacted to tech99's post in the thread When 50,000 volts go through a wire at 5,000,000 FPS - The Slow Mo Guy with Like.
5 M frames per sec is not fast enough to capture the wave that travels down the wire starting from the switch, which takes just about a...
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DaveE replied to the thread Converting PSD into equivalent sound pressure for an underwater hydrophone.If you have a narrow resolution bandwidth you can use that to convert the spectral density into a voltage. You can assume the psd is...
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DaveE replied to the thread Other Which branch of engineering is more physics heavy?.Lasers. Quantum Computing. Semiconductors.
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DaveE reacted to russ_watters's post in the thread How do people explore new ideas in physics? with Like.
It's not a "holier than thou attitude", it's a true reality. That's not what I said. I said "near zero". It's certainly possible (not...
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DaveE reacted to russ_watters's post in the thread How do people explore new ideas in physics? with Like.
There's really no way around the fact that the barrier to entry (being educated in physics) is required for practical reasons. There's...
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DaveE reacted to .Scott's post in the thread I Could fast radio bursts be alien radar signals? with Like.
There are a lot of reasons to doubt that FRBs are deliberately engineered and fabricated. But their application for radar is especially...
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DaveE replied to the thread I Free fall of person in a sled to direct horizontal motion by atmospheric resistance.These specifications like glide ratio, climb rate, etc. all assume you are operating the aircraft to maximize that particular...
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I've never, ever seen any serious engineering work where just (school) education would suffice. It's always a long ride along senior...
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DaveE replied to the thread Working for defense company?.I used to. The security issues mentioned would depend entirely on what your role is at the company. They employ a whole bunch of people...