Search found 838 matches

by p1t1o
Thu May 10, 2018 11:15 am UTC
Forum: Science
Topic: Relative Light Speed
Replies: 15
Views: 938

Re: Relative Light Speed

I thought string theory was still "up in the air"?

And arent the loops particles rather than spacetime itself?
by p1t1o
Fri May 04, 2018 4:00 pm UTC
Forum: Science
Topic: neutrino question
Replies: 17
Views: 646

Re: neutrino question

Im not happy with Honestly, if you won't understand any answer that's got too much quantum in it, you're going to have to settle for remaining not happy with the explanations given. Oh I can accept it, its only one of several mind-bending things that I have heard happen in the quantum world, but I ...
by p1t1o
Fri May 04, 2018 2:40 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

C4 is reasonably stable (it can’t be detonated accidentally). Just carve whatever you want to be private into a block of it, and set it up to detonate if somebody comes a-snoopin. In fact, I bet you could roll it out into sheets (thicker than paper) and print onto them... I only mentioned war and p...
by p1t1o
Fri May 04, 2018 2:37 pm UTC
Forum: Science
Topic: neutrino question
Replies: 17
Views: 646

Re: neutrino question

So mass/energy is conserved due to a change in velocity. That makes a certain sense but Im not happy with something changing speed without a reaction force - or is that way too "classical physics" for this subject? I saw the word "superposition" there, is it perhaps a quantum wei...
by p1t1o
Fri May 04, 2018 1:16 pm UTC
Forum: Science
Topic: neutrino question
Replies: 17
Views: 646

neutrino question

First, neutrinos are certainly not my field. I just read that neutrinos come in 3 "flavours" each flavour having a slightly different mass, and that neutrinos can spontaneously convert between flavours in flight. This must mean that they change mass, which to me raises conservation-of-ener...
by p1t1o
Fri May 04, 2018 12:59 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

Ok fine, the warehouse has a 1megaton nuke under the floor, the tilt mechanism sets off the device. Yes Im still including the tilt. For extra security ;) *** ...if you know the initial state and the forces acted on it, then it is completely predictable. Sure, if you have this level of knowledge of ...
by p1t1o
Thu May 03, 2018 6:55 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

You could spell out your information will 2mm ballbearings on a huge flat floor, like a warehouse. Men in Black come calling? Just tilt the floor by a degree or two. Or Dominos. Spell out your information with dominos. MiB come around? You know what to do. Or you could use an atomic force microscope...
by p1t1o
Thu May 03, 2018 5:10 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

Tyndmyr wrote:Flash paper is basically the commercial solution to this, yes.

That said, a white phosphorous grenade will also do the job just fine, with entirely normal paper.


Classic internet XD
by p1t1o
Thu May 03, 2018 8:09 am UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

As far as I know, you still cant beat one-time-pads for secure encryption.
by p1t1o
Wed May 02, 2018 2:54 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

Crypto isnt always the best solution, for example if you want to draw an impromptu map, or want it to be readily readable. Tablet computers with full disk encryption are a thing, including pens for doodling maps. Configure them to shut down when leaving the facility (i.e. when out of reach of the w...
by p1t1o
Wed May 02, 2018 8:11 am UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

You know those wax tablets the Romans used to use?

https://upload.wikimedia.org/wikipedia/ ... _times.jpg

Replace wax with plastic explosive.
by p1t1o
Tue May 01, 2018 8:44 am UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 1574

Re: Quick Burning Paper

An idea I had was to make the paper out of gun-cotten . If you're set on this approach, "flash paper" made of nitrocellulose (otherwise known as guncotton) is absolutely a thing. https://en.wikipedia.org/wiki/Nitrocellulose#Other_uses https://www.youtube.com/watch?v=b2zp_TQfzCo Though I t...
by p1t1o
Tue Apr 24, 2018 2:10 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

Sableagle wrote:
That's not something you want to bring to a knife fight, is it?


Only if you love LOSING

;)
by p1t1o
Mon Apr 23, 2018 7:47 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

A black hole bomb could never be any more powerful than a matter/antimatter annihilation bomb of equivalent mass, so unless your target is gas-giant sized, thats probably your first choice. I can't think of any interesting way to use a black hole on a car-sized target without reducing most of the pl...
by p1t1o
Mon Apr 23, 2018 3:38 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

According to Bulbapedia, Gardevoir is able to see the future using its psychic powers. Additionally, it is able to create small black holes, distort dimensions, and support itself without feeling the pull of gravity. Just how small would a black hole have to be for it to be useful in a one-on-one f...
by p1t1o
Mon Apr 23, 2018 3:29 pm UTC
Forum: Science
Topic: Effects of CO2 fraction on human health below clinical levels
Replies: 2
Views: 447

Re: Affects of CO2 fraction on human health below clinical levels

According to the RTECS toxicology database (a prevalent database used in the chemicals industry) the "lowest published toxic concentration" in humans - (for the uninitiated, this doesnt mean "toxic" as in "Agh! Ack!" but "toxic" as in "we detected a toxic...
by p1t1o
Tue Apr 17, 2018 8:42 am UTC
Forum: Science
Topic: Ester Naming Conventions
Replies: 4
Views: 908

Re: Ester Naming Conventions

If you make an ester from ethanoic acid and propanol, you get ethyl propanoate. No, that would be from ethanol and propanoic acid, since the -ate is always from the acid just as if you were naming a salt. So your combination would give you propyl ethanoate (or propyl acetate), and likewise propan-2...
by p1t1o
Fri Apr 06, 2018 11:03 am UTC
Forum: Science
Topic: Ester Naming Conventions
Replies: 4
Views: 908

Re: Ester Naming Conventions

If you make an ester from ethanoic acid and propanol, you get ethyl propanoate.

If your alcohol is secondary, like say, Propan-2-ol, it would form Ethyl Propan-2-oate, simples.
by p1t1o
Thu Apr 05, 2018 8:23 am UTC
Forum: Science
Topic: Are Vitamin Supplements Toxic to Non-Human Animals?
Replies: 14
Views: 1096

Re: Are Vitamin Supplements Toxic to Non-Human Animals?

Could just call it "medication"?
by p1t1o
Thu Mar 22, 2018 4:53 pm UTC
Forum: Science
Topic: Free floating "gas dwarf"?
Replies: 8
Views: 997

Re: Free floating "gas dwarf"?

Considering that the surface of Venus is already far too hot and pressurized for habitation, I don't think habitability questions really depend on whether there's a solid core or not. The habitable zone is going to be up somewhere near the top of the atmosphere regardless. Ah, good point. So we'd b...
by p1t1o
Thu Mar 22, 2018 4:21 pm UTC
Forum: Science
Topic: Free floating "gas dwarf"?
Replies: 8
Views: 997

Free floating "gas dwarf"?

So i just (re)read https://what-if.xkcd.com/99/ Could we build a stable ball of gas in space? (lets say, orbiting the sun somewhere between Earth and Mars, or at 1AU at one of the lagrange points) A ball whose own gravity prevents it from dissipating, but small enough that it all remains gaseous - n...
by p1t1o
Mon Mar 19, 2018 4:35 pm UTC
Forum: Science
Topic: Quantum Question
Replies: 110
Views: 8209

Re: Quantum Question

No. Imagine a universe in a box which (ignoring gravity) is at maximum entropy. It's basically a big, homogeneous gas at thermal equilibrium. If you pick out a particle at random, it will have random properties. That doesn't give you any information at all. Except that if the universe is a homogeno...
by p1t1o
Mon Mar 19, 2018 11:27 am UTC
Forum: Science
Topic: Quantum Question
Replies: 110
Views: 8209

Re: Quantum Question

Someone correct me if Im wrong, but: If there is an entity present capable of observing a particle, you are not in a maximum-entropy-state universe. If you're in a minimum-entropy-state universe, there are no particles to look at...yet. So the answer is either: yes, you can tell, or; the question do...
by p1t1o
Thu Mar 15, 2018 2:05 pm UTC
Forum: Science
Topic: Quantum Question
Replies: 110
Views: 8209

Re: Quantum Question

Entanglement is not actually spooky. Einstein described it that way, but Einstein is not correct. There are no violations of special relativity or causality in quantum mechanics. If you instead wanted to model what is happening with a backwards propagating super determining, the violence you have d...
by p1t1o
Thu Mar 15, 2018 1:57 pm UTC
Forum: Science
Topic: Delicious Martian Salt
Replies: 10
Views: 1146

Re: Delicious Martian Salt

Well short of finding a seam of rock salt, it will be more difficult than its worth. If its nutrition that is the worry, then it doesnt need to be in the form of "table salt", just sodium and chloride contained in various foods. Thats probably the best way to get dietary salt on mars - gro...
by p1t1o
Thu Mar 15, 2018 9:42 am UTC
Forum: Science
Topic: Delicious Martian Salt
Replies: 10
Views: 1146

Re: Delicious Martian Salt

Do you mean "from martian raw materials" or do you mean what would you have to take with you? Or, do you just mean in general?
by p1t1o
Fri Mar 09, 2018 4:50 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Complete Solid Object

Maybe this would be really close to this theoretically completely solid object... Collect a sample of pure neutrons, chill to absolute zero, and place them under extreme pressure to pack them all together as closely as possible. Whaddy'all think? :) If you're still talking neutrons, theres plenty o...
by p1t1o
Fri Mar 09, 2018 2:32 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

andykhang wrote:Of course it ain't. That thing is more closer to a singularity than any definition of matter applicable to us. And thing start to get weird even near a singularity, not to mention touching it.


Name one similarity between a singularity and this force-object?
by p1t1o
Fri Mar 09, 2018 9:23 am UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

Matter is one thing this object certainly is not. *** On a related note, in Alastair Reynold's "Revelation Space" series of books, the BigBad is an alien machine race that is composed of replicating cubes of "pure force" with a description closely matching this object - no partic...
by p1t1o
Tue Mar 06, 2018 9:01 am UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

On the other hand, it may be incapable of radiating away heat, and without discrete particles it may not conduct heat very well either. Temperature is a measure of the external/internal kinetic energy of the particles within a system, with only one particle this changes things dramatically. What hap...
by p1t1o
Mon Mar 05, 2018 4:12 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Complete Solid Object

Supposed they're exist a Complete Solid Object: An object that you will find no gap, no matter if you zoom it down infinitely, and is completely take up the space in it fully 100% while still obeying the law of the universe aside from the property above. What would it like (probably the same as any...
by p1t1o
Mon Feb 19, 2018 4:17 pm UTC
Forum: Science
Topic: What are 10 future out of the box technologies/inventions
Replies: 8
Views: 2446

Re: What are 10 future out of the box technologies/inventions

Movies, TV shows and music that support mods to the extent that some PC games do. I have been known to go very mod-heavy with certain games and this idea blows my mind. "Hey, you watching Game of Thrones?" "Yeah, you got the StarWars mod?" "Nah, just vanilla, Im a purist.&q...
by p1t1o
Mon Feb 12, 2018 7:58 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

It also of course depends on how fast you're releasing that energy. Sure, 100TW is a lot, but I never specified that it was a gram per second. Do it slow enough and it won't be slagging anything. Naturally. I did combine some assumptions for the sake of argument ;) It certainly wouldnt be much of a...
by p1t1o
Mon Feb 12, 2018 2:17 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

I feel like even in LEO, pumping that much energy into the atmosphere would make something happen that would provide more impulse to the shuttle than 12 m/s. Hmmm...I doubt it. If we are talking the equivalent of a Hiroshima detonation every second: depending on the frequency of the beam, the energ...
by p1t1o
Fri Feb 09, 2018 3:32 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

The momentum of light is E/c. Force is dp/dt, or power/c. If you want your weight to be supported by the light, you need a power of weight*c. So under a terawatt, actually. This is with only one coffee in me though, don't hold me to it. You got it, project rho confirms. It works out to about 300MW ...
by p1t1o
Tue Feb 06, 2018 1:52 pm UTC
Forum: Science
Topic: Expansion in the long... (very) long term
Replies: 9
Views: 1317

Re: Expansion in the long... (very) long term

If space keeps expanding then yes, our "local bubble" will get smaller and smaller until eventually it only contains the milky way, and then eventually only the solar system...but it doesnt stop. If the future of our universe contains a big rip, then it'll be very far in the future, based...
by p1t1o
Tue Feb 06, 2018 9:01 am UTC
Forum: Science
Topic: Expansion in the long... (very) long term
Replies: 9
Views: 1317

Re: Expansion in the long... (very) long term

If space keeps expanding then yes, our "local bubble" will get smaller and smaller until eventually it only contains the milky way, and then eventually only the solar system...but it doesnt stop. If the hypothesis pans out and certain constants are certain values, then the expansion will k...
by p1t1o
Thu Feb 01, 2018 5:53 pm UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

I presume that there will be a frame-dragging effect as it passes as well, that ought to have some impact on Earth's fabric as well, yes? Given that the total gravitational binding energy of the Earth is 1 ten-thousand-billionth of the energy of this electron, I would wager that if there is any inte...
by p1t1o
Thu Feb 01, 2018 11:47 am UTC
Forum: Science
Topic: Science-based what-if questions
Replies: 592
Views: 66498

Re: Science-based what-if questions

But from the Earths perspective, the electron take about a twentieth of a second to pass through, and while it does, it is under the influence of a solar mass worth of gravity at very close proximity.

So there is some scope for interaction, no?
by p1t1o
Wed Jan 31, 2018 2:46 pm UTC
Forum: Science
Topic: Explosives As A Reflective Wall
Replies: 12
Views: 1645

Re: Explosives As A Reflective Wall

Originally it was a thrown satchel that did damage in a circle but it was hard to throw or plant the satchel far enough away without getting hurt. That's when we started asking about how to make the bomb deal more damage in one direction, like a claymores. Then I made the guess that a smart enough ...

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