DaveE's latest activity
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Under experimental zero-g conditions where there is no limit on space, time, energy, or materials there would be no limit. Since the... -
DaveE reacted to Dale's post in the thread Undergrad Capacitor Voltages at t = 0: Zero or Split? with
Like.
As we have already discussed above, all of that is true. But the debate is specifically about the completely unrealistic idealized... -
DaveE reacted to pbuk's post in the thread High School Why would sailboat racers prefer a full keel over a fin keel? with Like.
Different posts here have provided parts of the answer, I'll attempt a summary for this specific question: In order to offset the...
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DaveE replied to the thread High School Why would sailboat racers prefer a full keel over a fin keel?.This reminds me of a similar story about the old 12 meter America's Cup yachts. A classic yacht designer designed a hull with a fine bow...
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DaveE replied to the thread High School Why would sailboat racers prefer a full keel over a fin keel?.Yes, but the information is out there. It's not that hard to find, but it is hard to understand. Fluid dynamics is a complex subject...
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DaveE reacted to tech99's post in the thread High School Why would sailboat racers prefer a full keel over a fin keel? with
Agree.
Maybe first consider the function of a fin (or centreboard on a small craft). The sail is a aerofoil in the wind and a fin is an... -
DaveE replied to the thread High School Why would sailboat racers prefer a full keel over a fin keel?.Think of a fin keel more like an airplane wing. It generates lift in exactly the same way. So to some extent it isn't just resisting...
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DaveE reacted to Ibix's post in the thread Undergrad Our Mathematical Universe book -- Since when does light contain voltage? with Like.
Yes, in principle you can use the electric component of light to push a current on a circuit. Light oscillates too fast for us to do...
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DaveE replied to the thread How does my refrigerator with no refrigerant work?.Probably with Thermo-electric coolers (TECs) based on the Peltier effect. You can google these keywords to learn more.
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DaveE reacted to TensorCalculus's post in the thread What do computer science engineers do? with Agree.
Both my parents are CS engineers and have been for 20-30 ish years, and have worked in many different companies over the years... One...
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No. Please don't make phishing requests like that here at PF.
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Wait'll he hears about baby oil...
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Our puppy, Fae, sleeping.
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I had to have my 14 year old dog put down today.. That is one thing that never gets easier. The dog was a Black Lab Blue Heeler, and...
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DaveE replied to the thread Random Photos.
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