Search found 932 matches

by p1t1o
Fri Jun 14, 2019 10:20 am UTC
Forum: Science
Topic: Science fleeting thoughts
Replies: 267
Views: 49109

Re: Science fleeting thoughts

What if an astronaut "sold" his 24oz allowance, so that he got paid to take various things to space? People pay to have various things go to space just to know that it went there. If a cubesat is a thing, I imagine there are some instruments or experiments they could take for less than 24o...
by p1t1o
Wed Jun 12, 2019 10:32 am UTC
Forum: Science
Topic: Science fleeting thoughts
Replies: 267
Views: 49109

Re: Science fleeting thoughts

Regarding that matter, does anybody know what the restricting component is on making space tests littler? Putting similar usefulness into a little mass is of such clear advantage that I envision there's a valid justification each test isn't one centimeter littler. Well microsats and "cubesats&...
by p1t1o
Tue Jun 11, 2019 10:00 am UTC
Forum: Science
Topic: Miscellaneous Science Questions
Replies: 2949
Views: 708994

Re: Miscellaneous Science Questions

I think there were numerous incremental developments in battery design over the years, batteries today, even non-Li ones, are much better than they used to be. It is possible that it is due to reductions in manufacturing cost meaning that batteries may use the same tech, but are higher quality for a...
by p1t1o
Tue Jun 11, 2019 8:16 am UTC
Forum: Science
Topic: Miscellaneous Science Questions
Replies: 2949
Views: 708994

Re: Miscellaneous Science Questions

Do you guys remember batteries in the 80's? A common-or-garden torch would last about 3 minutes before the light started to go dim, and no recharging, you had to crack open another fresh pack. Most likely explanation is that they were just run down and with the confusion and adrenaline etc. Its hard...
by p1t1o
Mon Jun 10, 2019 11:11 am UTC
Forum: Science
Topic: What if an egg was...
Replies: 7
Views: 570

Re: What if an egg was...

I am also skeptical that liquids want to form discs, I can only imagine discs forming in this way with substances that have some structural integrity, here, most of the mass is a fluid, which just wants to go sideways. Small liquids will try to form discs but remain together thanks to surface tensi...
by p1t1o
Fri Jun 07, 2019 3:18 pm UTC
Forum: Science
Topic: What if an egg was...
Replies: 7
Views: 570

Re: What if an egg was...

I'm way too lazy to do as much math as you did, but I have a couple of thoughts: I'm pretty sure that the egg will spin on it's side no matter how hard you try. In free fall , an asteroid will do that to minimize it's rotational energy. Add to that, that the egg center is lower when it's on its sid...
by p1t1o
Thu Jun 06, 2019 2:29 pm UTC
Forum: Science
Topic: What if an egg was...
Replies: 7
Views: 570

Re: What if an egg was...

lol so I was looking for any possible data online for this, because the problem has stuck in my head... ...I didnt find any data that helped, mostly just "kitchen hacks" to make funky eggs by mixing them within the shell before cooking... (apparently if you spin them fast enough, the yolk ...
by p1t1o
Wed Jun 05, 2019 3:35 pm UTC
Forum: Science
Topic: Ascorbic acid plus sodium bicarbonate in water?
Replies: 2
Views: 296

Re: Ascorbic acid plus sodium bicarbonate in water?

I think its a pretty simple reaction, acid + bicarb goes to CO2 and water. What you are left with is sodium ascorbate, which is essentially still vitamin C. With a little googling, yes, sodium ascorbate is in fact a vitamin C source so you can say that the vitamin C is preserved in the reaction as t...
by p1t1o
Wed Jun 05, 2019 2:55 pm UTC
Forum: Science
Topic: Why do you believe superposition/entanglement include spacetime?
Replies: 9
Views: 416

Re: Why do you believe superposition/entanglement include spacetime?

I'll get in trouble if I say yes. I can't handle how obvious this is and no one taking it seriously. You aren't going to formulate a Theory of Everything without this key knowledge. How does anyone, in their right mind, think quantum weirdness events occur within Spacetime? I know human nature says...
by p1t1o
Wed Jun 05, 2019 2:15 pm UTC
Forum: Science
Topic: Why do you believe superposition/entanglement include spacetime?
Replies: 9
Views: 416

Re: Why do you believe superposition/entanglement include spacetime?

Is this the uncertainty thing, where you're not sure where it is? Therefore the thing is "not in spacetime"?
by p1t1o
Wed Jun 05, 2019 1:56 pm UTC
Forum: Science
Topic: Why do you believe superposition/entanglement include spacetime?
Replies: 9
Views: 416

Re: Why do you believe superposition/entanglement include spacetime?

pittsburghjoe wrote:...not using spacetime in them.


Im not sure what you mean by this, can you explain?
by p1t1o
Wed Jun 05, 2019 1:37 pm UTC
Forum: Science
Topic: Why do you believe superposition/entanglement include spacetime?
Replies: 9
Views: 416

Re: Why do you believe superposition/entanglement include spacetime?

Because when we use the mathematics that assumes such, we can produce accurate predictions.

Have you made any predictions by assuming your case, better than predictions using the current method?

If so, we're gonna need to see the math.

Have you done any math around your hypothesis?
by p1t1o
Wed Jun 05, 2019 8:34 am UTC
Forum: Science
Topic: Miscellaneous Science Questions
Replies: 2949
Views: 708994

Re: Miscellaneous Science Questions

The monkeys and typewriters one is an absolute classic
by p1t1o
Tue Jun 04, 2019 1:52 pm UTC
Forum: Science
Topic: What if an egg was...
Replies: 7
Views: 570

Re: What if an egg was...

Lets see, well outward pressure would manifest as tension spread evenly thoughout the "equator" of the plane the egg is spinning in. Other parts will experience different forces but my gut says the forces will be greatest at the equator. So the rate of rotation is limited by the tensile st...
by p1t1o
Fri May 31, 2019 12:37 pm UTC
Forum: Science
Topic: Science fleeting thoughts
Replies: 267
Views: 49109

Re: Science fleeting thoughts

cyanyoshi wrote:...where GR hasn't yet been proven right.


Issues with the term "proven"...
by p1t1o
Wed May 29, 2019 3:49 pm UTC
Forum: Science
Topic: mark mccutcheon final theory
Replies: 27
Views: 970

Re: mark mccutcheon final theory

To be clear, mccutcheon is still a nutbar.
by p1t1o
Wed May 29, 2019 1:47 pm UTC
Forum: Science
Topic: mark mccutcheon final theory
Replies: 27
Views: 970

Re: mark mccutcheon final theory

I mean, it varies at extremes by 1.5% and on average from one side or the other by much less than 1%. That's kind of like the Earth. It is, for all intents and purposes, symmetrical. And lunar orbiters can potentially stay up for decades without station-keeping depending on the altitude. I wasn't t...
by p1t1o
Wed May 29, 2019 8:59 am UTC
Forum: Science
Topic: mark mccutcheon final theory
Replies: 27
Views: 970

Re: mark mccutcheon final theory

4) the gravity on the far side of the moon is greater than the near side. It isn't. Lunar orbiters stay in orbit, which would be impossible if the gravitational field were greatly asymmetrical. I hate to say it, but actually probes do have trouble staying in lunar orbit for very long due to gravita...
by p1t1o
Fri May 24, 2019 2:22 pm UTC
Forum: Science
Topic: Negative Quantum Space-Time
Replies: 83
Views: 1948

Re: Negative Quantum Space-Time

Duration is directly analogous to length in classical physics. In special relativity, the spacetime interval is distance² - c² * duration ², and it's the minus sign that distinguishes the time coordinate from the spatial coordinates (note that you could equivalently define it as the opposite differ...
by p1t1o
Fri May 24, 2019 11:07 am UTC
Forum: Science
Topic: Negative Quantum Space-Time
Replies: 83
Views: 1948

Re: Negative Quantum Space-Time

Calling it therefore "not real" needs some justification. I didnt say it wasnt real, or not a dimension, but that it wasnt physical. "Time" is, in physical reality - and as far as I understand - not equivalent to a physical property/length - though it may be treated in a similar...
by p1t1o
Fri May 24, 2019 10:04 am UTC
Forum: Science
Topic: Negative Quantum Space-Time
Replies: 83
Views: 1948

Re: Negative Quantum Space-Time

pittsburghjoe wrote:If something was tiny and didn't inhabit spacetime ..I'd say it would probably do quantum weird things.


Why would you say that?
What "quantum weird things"?
What are you trying to say?
What are the properties of something that does not "inhabit spacetime"?
How do you know?
by p1t1o
Thu May 23, 2019 4:15 pm UTC
Forum: Science
Topic: Negative Quantum Space-Time
Replies: 83
Views: 1948

Re: Negative Quantum Space-Time

space-time is a dimension outside of width, depth, height. If a 3d object, on our scale, lost a dimension it wouldn't be visible to us. Thing is, time *isnt* actually a physical dimension. It is sometimes useful to imagine it as one, but it isnt another "length" that we just happen to be ...
by p1t1o
Thu May 23, 2019 3:49 pm UTC
Forum: Science
Topic: Negative Quantum Space-Time
Replies: 83
Views: 1948

Re: Negative Quantum Space-Time

Tell me if you think I'm on to something. In a word - no. But that is ok, I think I can speak for most of us when I say we have all been where you are. Some questions for you that might help: What is your definition of a "genuine" 3d+1 "space-time object"? Do you consider, say, ...
by p1t1o
Fri May 17, 2019 9:09 am UTC
Forum: Science
Topic: Universal Stack
Replies: 11
Views: 912

Re: Universal Stack

Yeah well it's a thing and not my original thing so whatever if you don't like the premise of this 'game' don't 'play'. That mathematics can be used to describe the universe does not make a list into a machine, but fair point, the deeper you dive into physics and maths, the closer you get to abstra...
by p1t1o
Thu May 16, 2019 10:45 am UTC
Forum: Science
Topic: Universal Stack
Replies: 11
Views: 912

Re: Universal Stack

I think the jump from "list" to "universe simulation machine" is a little...bonkers, to put it very mildly
by p1t1o
Mon May 13, 2019 9:29 am UTC
Forum: Science
Topic: Miscellaneous Science Questions
Replies: 2949
Views: 708994

Re: Miscellaneous Science Questions

yeah, if instead of being in freefall, you were firing a jetpack, it'd have some additional energy contribution. Is that what you're thinking of? I'm not sure what you mean exactly by "impact on relativity." I think I'm being stupid. Thinking about it, and afaik, freefall has no impact on...
by p1t1o
Thu May 02, 2019 3:51 pm UTC
Forum: Science
Topic: Is it possible to escape from a black hole using another black hole?
Replies: 56
Views: 3378

Re: Is it possible to escape from a black hole using another black hole?

If you put in lava rather than cold matter, the extra heat energy would register as mass-energy right? You can increase the mass of a BH without adding any matter at all, you can just add energy (photons) and the mass increases IIRC. And I was discussing the antimatter question recently too - but is...
by p1t1o
Thu Apr 18, 2019 1:02 pm UTC
Forum: Science
Topic: Science fleeting thoughts
Replies: 267
Views: 49109

Re: Science fleeting thoughts

Sableagle wrote:2) The rounding happens at the end. Rounding everything to 1 s.f. as you go is for figuring out which county you'll be in on Tuesday, not for building model aircraft.


femto-Hertz...
by p1t1o
Thu Apr 18, 2019 10:25 am UTC
Forum: Science
Topic: Science fleeting thoughts
Replies: 267
Views: 49109

Re: Science fleeting thoughts

Was it necessary to give the diameter of the basketballs to the nearest Angstrom lol!

And its two million ton mass to the nearest milligram? XD

But that rpm figure given to the nearest 10th of a femto-Hertz is a prize winner for sure!
by p1t1o
Wed Apr 17, 2019 4:14 pm UTC
Forum: Science
Topic: Event Horizon Telescope image
Replies: 24
Views: 2006

Re: Event Horizon Telescope image

M87 is the galaxy designation, M87* the designation of this specific object/phenomenon within it. SFAIK, nobody has really though of naming the host galaxy (just other designations, like NGC something and Virgo A?), but I'm not sure whether that's even required or expected. Then how come ours is Sa...
by p1t1o
Thu Apr 11, 2019 9:22 am UTC
Forum: Science
Topic: Event Horizon Telescope image
Replies: 24
Views: 2006

Event Horizon Telescope image

Cool isnt it. My question is - why is it an image of M87* and not Saggitarius A*, which is 1000times closer? Is there something that makes M87* a better candidate for observation, even though its very much more distant? Or did M87* just happen to be first on the list of projects and it was their tur...
by p1t1o
Tue Mar 26, 2019 1:54 pm UTC
Forum: Science
Topic: Verifying physics at home
Replies: 15
Views: 2057

Re: Verifying physics at home

If using a spectrometer, wouldnt you also have to derive how it works? If Im doubting any experiment not done by me, then if someone hands me a spectrometer, its just a box with lights on that agrees with what you say. Sorry, you gotta build a spectrometer. And also prove why it works. Using first p...
by p1t1o
Mon Mar 25, 2019 2:00 pm UTC
Forum: Science
Topic: Verifying physics at home
Replies: 15
Views: 2057

Re: Verifying physics at home

This is my favorite quantum thingy, and it is experimentally verifiable using fairly simple equipment:

https://en.wikipedia.org/wiki/Elitzur%E ... omb_tester
by p1t1o
Fri Mar 15, 2019 10:39 am UTC
Forum: Science
Topic: What if the second law was breakable?
Replies: 72
Views: 6996

Re: What if the second law was breakable?

I have been brainstorming ideas recently for a short story about a child prodigy genius who at a very young age, while voraciously devouring encyclopedias and such, realizes just how many existential threats to his life, human life, and life generally there are, and dedicates himself wholeheartedly...
by p1t1o
Fri Mar 15, 2019 9:12 am UTC
Forum: Science
Topic: Least human organism susceptible to cancer?
Replies: 11
Views: 1622

Re: Least human organism sucetable to cancer?

Heck even trees and plants get it. (I have learned that tumours are not necessarily cancer.)
**
Here's a thought - what is the difference between a replicating single-celled organism and a single celled organism with cancer?
by p1t1o
Wed Mar 13, 2019 9:44 am UTC
Forum: Science
Topic: What if the second law was breakable?
Replies: 72
Views: 6996

Re: What if the second law was breakable?

So what impact does that have on the contraction of space?

Im not sure what the current state-of-the-art is, whether a "big crunch" has now been ruled out, but would it have the reverse effect? Would it suck energy out of systems? I cant quite get my imagination to work.
by p1t1o
Tue Mar 12, 2019 2:22 pm UTC
Forum: Science
Topic: What if the second law was breakable?
Replies: 72
Views: 6996

Re: What if the second law was breakable?

So really all that matters is that there be an unending supply of usable energy. Even a trickle of it. Which an expanding universe gives us. The rest is just engineering, and patience. I have recently heard of the expansion of space "violating" conservation of energy (or it may just come ...
by p1t1o
Mon Mar 11, 2019 4:50 pm UTC
Forum: Science
Topic: What if the second law was breakable?
Replies: 72
Views: 6996

Re: What if the second law was breakable?

Well, my point was that, even if there was a Kardashev Type IV civilization out there already disassembling things now, it would still take them much longer than the current age of the universe before they would be finished. Agreed. But I still jar at the language. If there is anyone left to be awa...
by p1t1o
Mon Mar 11, 2019 12:00 pm UTC
Forum: Science
Topic: What if the second law was breakable?
Replies: 72
Views: 6996

Re: What if the second law was breakable?

Some tricky wording being thrown around - To be clear, all of the stars have to die in order to reduce all matter to a state where no more work can be done. So the question of whether or not the death of the stars could stop them is moot. The aliens themselves have to die too. The final composition ...
by p1t1o
Fri Mar 08, 2019 9:43 am UTC
Forum: Science
Topic: Circadian Clock
Replies: 15
Views: 2078

Re: Circadian Clock

gmalivuk wrote:That page says "the body gets different types of sleep at different times of the day", which means it's not a true 4-hour cycle, it's a 24h cycle with multiple bits of sleep instead of one long sleep.


It'd still work well if your planet had a 4hr day ;)

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