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cjl
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cjl
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Yesterday,
02:07 AM
cjl
replied to a thread
Bit rate of human brain
in
Science and Technology
I don't think so. Digital is sometimes quite clearly better - take VHS vs blu-ray for example. Or CD vs LP (although that may be opening a can of...
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27 replies | 336 view(s)
Yesterday,
12:24 AM
cjl
replied to a thread
Self Balancing motorcycle-car
in
Science and Technology
It's a bit surprising, and definitely nonintuitive (at least to me), but two counter rotating gyroscopes will indeed completely cancel each other...
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151 replies | 1518 view(s)
Yesterday,
12:16 AM
cjl
replied to a thread
Bit rate of human brain
in
Science and Technology
And even 24fps is surprisingly inadequate in a lot of situations - movies have motion blur and are careful about how they move the camera, but if you...
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27 replies | 336 view(s)
2013-Jun-16,
07:20 PM
grapes
replied to a thread
Hilbert's Second Problem.
in
Against the Mainstream
Why wait? :) You and I are on opposite sides of the fence clearly If you think that there is any justification presented for your answer,...
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46 replies | 1083 view(s)
2013-Jun-16,
03:42 PM
grapes
replied to a thread
Hilbert's Second Problem.
in
Against the Mainstream
I'm a "yes" too. :) However, I am going to add commentary. Clearly, we *can* multiply 1 times 2^3. The equation in the OP has nothing to do...
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46 replies | 1083 view(s)
2013-Jun-15,
09:15 PM
grapes
replied to a thread
Hey Treb, If The Landing Isn't Your Concern...
in
Off-Topic Babbling
Well, we *should* be able to get some sort of catapult to launch humans straight up. A new twist on the sport of base-jumping, as Don says. Since...
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17 replies | 234 view(s)
2013-Jun-15,
08:11 PM
grapes
replied to a thread
Odd, I've Seen This In Youngsters...
in
Off-Topic Babbling
Well, it's not like you have no reason for COPD, but when's the last time you were evaluated? Make the appointment. And hurry back.
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4 replies | 138 view(s)
2013-Jun-15,
12:30 PM
grapes
replied to a thread
Really trivial stuff that amuses you...
in
Off-Topic Babbling
That instantly struck me as the perfect green license plate: ABVVACWM Ab or vacwm, naturally.
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1756 replies | 58385 view(s)
2013-Jun-14,
12:10 PM
grapes
replied to a thread
Force of charge
in
Space/Astronomy Questions and Answers
To be fair, I looked at all the possibilities, and that's the one that fit. The *other* issues associated with maintaining that amount of charge...
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14 replies | 243 view(s)
2013-Jun-14,
10:25 AM
grapes
replied to a thread
Force of charge
in
Space/Astronomy Questions and Answers
More or less. I just used the setup in the OP. Of course, the mg of electrons would be the wider-ranging of the two since their mass is so much...
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14 replies | 243 view(s)
2013-Jun-13,
08:38 PM
cjl
replied to a thread
Bit rate of human brain
in
Science and Technology
You need a lot more than 1 kB/s for an audibly perfect sound stream though. To fully encompass human hearing, effectively CD quality would be...
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27 replies | 336 view(s)
2013-Jun-13,
01:14 PM
grapes
replied to a thread
Fiction
in
Forum Introductions and Feedback
That's just the stuff they don't want to keep! Kidding...kidding... Why wouldnt scientists like science fiction. Same reason romantics like...
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11 replies | 265 view(s)
2013-Jun-13,
12:58 PM
grapes
replied to a thread
Top-heavy Royal Princess?
in
Off-Topic Babbling
Do we have a good picture of the keel? I also have to say that the pic in the OP is foreshortened and flattened a lot--check out the photo of the...
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48 replies | 880 view(s)
2013-Jun-13,
11:45 AM
grapes
replied to a thread
Force of charge
in
Space/Astronomy Questions and Answers
Equivalent to what? Do you mean the sun's gravitational force on the 1836.5 mg of protons at 93 million miles? Or on the mg of electrons at the...
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14 replies | 243 view(s)
2013-Jun-13,
12:12 AM
cjl
replied to a thread
Self Balancing motorcycle-car
in
Science and Technology
The overall cross section may slightly increase, but it would be more than offset by the dramatic reduction in drag coefficient. The bigger reason...
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151 replies | 1518 view(s)
2013-Jun-12,
10:58 PM
cjl
replied to a thread
Self Balancing motorcycle-car
in
Science and Technology
I suspect that is largely due to aerodynamics. As it turns out, a person with no shroud is not all that aerodynamic, and as a result, a sleek,...
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151 replies | 1518 view(s)
2013-Jun-12,
10:55 PM
cjl
replied to a thread
Self Balancing motorcycle-car
in
Science and Technology
That doesn't look like it has very low rolling resistance tires, and the aerodynamics are abysmal (which will be true of anything without an...
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151 replies | 1518 view(s)
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