Search found 172 matches

by stianhat
Tue Sep 27, 2016 12:35 pm UTC
Forum: Science
Topic: How serious is a 1st degree burn?
Replies: 15
Views: 3944

Re: How serious is a 1st degree burn?

Well... Most first degree type burns are really second degree burns that got the proper treatment. If you get a droplet of hot fat on your skin while frying something and just leave it like that you'll get a burn blister and it is now by definition a 2nd degree burn. If you put it under reasonably c...
by stianhat
Thu Sep 01, 2016 11:32 am UTC
Forum: Science
Topic: What is the largest possible artificial lake we could make today?
Replies: 16
Views: 4049

Re: What is the largest possible artificial lake we could make today?

I think the easiest large scale change we could do would be to remove a lake, not create one. If you fill gibraltar and suez, the mediterranean sea will dry out within a generation or so and create a MASSIVE salt pan between europe and africa, with a tiny lake fed by the large rivers of europe but d...
by stianhat
Fri May 27, 2016 11:34 am UTC
Forum: Science
Topic: Which planet?
Replies: 28
Views: 5231

Re: Which planet?

Why? It hasn't been observed. It is, at best, a speculative planet. You can speculate about the observed planets as well, with the added bonus of being able to observe things you never speculated on. Well,I am not really far from agreeing with you, but maybe what I meant was: Taking the direction o...
by stianhat
Thu May 26, 2016 10:11 am UTC
Forum: Science
Topic: Which planet?
Replies: 28
Views: 5231

Re: Which planet?

The most interesting right now has to be the unobserved but maybe existing planet 9, no?
by stianhat
Thu May 26, 2016 9:42 am UTC
Forum: Science
Topic: Alkaline Food
Replies: 26
Views: 6748

Re: Alkaline Food

Well... You should be eating acidic foods. "Neutralizing" the highly acidic stomach with alkalinity is going to create a serious mess down there, since the stomach readily produces more acid and since neutralizing with alkaline products will cause a tremendous release of energy in the form...
by stianhat
Mon Feb 22, 2016 9:49 am UTC
Forum: Science
Topic: If spin really did represent particles actual spin...
Replies: 18
Views: 4135

Re: If spin really did represent particles actual spin...

In addition, if spin was classical - you'd change the symmetry of the electron and with it goes many chemical bonds. And there is a problem with requiring the electron to be a dipole but I see it has been mentioned already.
by stianhat
Mon Feb 01, 2016 2:10 pm UTC
Forum: Science
Topic: Atomic Science books suggestion? For Layman and scientists
Replies: 11
Views: 2958

Re: Atomic Science books suggestion? For Layman and scientis

KarenRei,

That was a very interesting read. There were some things I did not know, some things I knew and some things I though I knew, but had forgotten. Thanks!
by stianhat
Thu Dec 03, 2015 11:19 am UTC
Forum: Science
Topic: Diamagnetism and MRI
Replies: 5
Views: 2597

Re: Diamagnetism and MRI

I may be a bit late to the ball here but... An MRI does not rely on diamagnetism, per se - it relies on paramagnetism in the nuclei of whatever you are studying. The MRI machines of today are strong enough to make paramagnets of most superconductors, ferromagnets, ferrimagnets and diamagnets. Electr...
by stianhat
Wed Oct 07, 2015 1:46 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1587: "Food Rule"
Replies: 86
Views: 12338

Re: 1587: "Food Rule"

Personally I like to point out to vegetarians that they are in fact condemning animal life to die horribly and cruelly. Nature is a bitch. Getting tazered and have your throat slit in a factory is a love poem compared to being eaten alive by the next predator up the line, or slowly starving, until y...
by stianhat
Wed Jul 08, 2015 9:22 pm UTC
Forum: Science
Topic: Is triboelectric power generation "free" energy?
Replies: 8
Views: 2690

Re: Is triboelectric power generation "free" energy?

When I heard of this I was introduced to it as a way of capturing "waste motion" that would otherwise be lost energy. I.e. vibration etc. It just creates a bit less heat from friction and a bit more electricity. Kinda like a self-winding watch. I doubt it will ever be as efficient as our c...
by stianhat
Fri Jun 12, 2015 11:03 am UTC
Forum: Science
Topic: Partial charge calculation of Hg
Replies: 7
Views: 2820

Re: Partial charge calculation of Hg

What the others said is true - there is no partial charge for monoatomic species. However, Mercury is very very often not monoatomic. Due to weirdness Hg appears just as often as diatomic Hg 2 2+ . It also appears, albiet a bit less common as, for instance Hg 3 2+ . In this case there most certainly...
by stianhat
Sat Jun 06, 2015 3:23 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1534: "Beer"
Replies: 249
Views: 52477

Re: 1534: "Beer"

I vote we should all socially stigmatize peer pressure.
by stianhat
Tue May 26, 2015 2:06 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1529: "Bracket"
Replies: 191
Views: 46519

Re: 1529: "Bracket"

dp2 wrote:Olivia Munn needs to somehow be in the bracket with Olivia Wilde. I always confuse their names.


I would watch that bracket over and over.
by stianhat
Mon May 04, 2015 11:45 am UTC
Forum: Science
Topic: Molten salt reactors
Replies: 19
Views: 9413

Re: Molten salt reactors

A molten salt reactor, while having a number of potential benefits, is also a potential corrosion nightmare. Corrosion's already enough of a problem on reactors as it is. This is the first obstacle as I see it. The second one is the fact that your primary circuit is massively radioactive. As others...
by stianhat
Mon Mar 02, 2015 8:21 pm UTC
Forum: Science
Topic: Oxidisers
Replies: 30
Views: 6576

Re: Oxidisers

There are about 10^50 atoms on Earth. I think this would make the total number of combinations of atoms into compounds to be approximately a (metric crapton)^(holy crap, that's a lot!). Well, the number of possible combinations are smaller, if we restrict ourselves to the smallest repeating unit of...
by stianhat
Mon Feb 23, 2015 11:24 am UTC
Forum: Science
Topic: Oxidisers
Replies: 30
Views: 6576

Re: Oxidisers

Of course the list isn't finite. It's infinite, but countably so. If we're talking just chemistry, and are ignoring practicalities such as cosmology and stuff, is there any reason, chemically, why there can't be an infinitely long alkane chain with various functional groups along it? That way, you ...
by stianhat
Sun Feb 22, 2015 9:27 pm UTC
Forum: Science
Topic: Oxidisers
Replies: 30
Views: 6576

Re: Oxidisers

This is easy.

Combine a list of all known compounds. All of them will be oxidizers, except one. Arrange them by oxidative potential. If you flip the list upside down, you get the list of reductants.
by stianhat
Mon Feb 02, 2015 2:27 pm UTC
Forum: Science
Topic: Making a Black Hole with Light
Replies: 8
Views: 2905

Re: Making a Black Hole with Light

Also, since this means absorption + emission + reflection is no longer = 1, I will put a highly absorbant material next to a highly emittant material, contain them inside a highly reflective material, connect the first two materials to a heat engine and forever reap the benefits. And also, while doi...
by stianhat
Tue Jan 20, 2015 9:20 am UTC
Forum: Science
Topic: We Are Not Alone.
Replies: 62
Views: 11994

Re: We Are Not Alone.

The entire post +1 No actually, if possible, you get a +2. I dropped out of this discussion the minute mr convinced here claimed that current knowledge (fly-by imagery) was enough to prove that it had to be something else than tectonics. Which is somewhat of a leap. Looking closely, there is a face...
by stianhat
Tue Jan 13, 2015 1:59 pm UTC
Forum: Science
Topic: How long can we (human society) survive global warming?
Replies: 67
Views: 12133

Re: How long can we (human society) survive global warming?

The answer to this question is likely "indefinetly" there are large patches of land near the arctic and the antarctic *is* one such. So just doing nothing at all would give us (as a species) several centuries to migrate there and farm dates, pineapples and peaches. This is likely going to ...
by stianhat
Sat Dec 20, 2014 8:03 pm UTC
Forum: Science
Topic: We Are Not Alone.
Replies: 62
Views: 11994

Re: We Are Not Alone.

Do you see it? It's biotic, not tectonic. "We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances." Occam's Razor, as explained by Newton. As a consequence, we will accept it to be tectonics by proven mechanism until we obse...
by stianhat
Sun Oct 26, 2014 11:54 am UTC
Forum: Science
Topic: [Psychology] Personality Classification for Crew Management
Replies: 2
Views: 1917

Re: [Psychology] Personality Classification for Crew Managem

Well, since it is not necessarily individuals you are after, but the team performance - I'd check out the Belbin theory. http://en.wikipedia.org/wiki/Team_Role_Inventories As all theories revolving around social psychology it has had its fair bit of criticism, some of it valid. I had a class during ...
by stianhat
Thu Oct 09, 2014 2:24 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1431: "Marriage"
Replies: 442
Views: 67305

Re: 1431: Marriage

King was shot because of the Civil Rights Movement. If the majority of white people had agreed with the CRM, it never would have gone on as long as it did, because it wouldn't have needed to. I'm pretty comfortable guessing that most white folks in the US in the '60's were probably at least somewha...
by stianhat
Thu Oct 09, 2014 1:18 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1431: "Marriage"
Replies: 442
Views: 67305

Re: 1431: Marriage

So, which legal document establishes "the right to marry" as an "unailienable self evident right"? It's sad that self-evident rights need to be established in legal documents. Well, since the late 1800-something the supreme court has convened 14 times on behalf of marriage and e...
by stianhat
Thu Oct 09, 2014 11:48 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1431: "Marriage"
Replies: 442
Views: 67305

Re: 1431: Marriage

I don't understand where this discussion is going. Why is this a discussion about the <insert adjective> -ness of the religious views of <insert noun> of <insert religion>? That is about as pointless a discussion as the one about "which is better, tits or ass". This is a libertarian issue,...
by stianhat
Wed Oct 08, 2014 9:57 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1431: "Marriage"
Replies: 442
Views: 67305

Re: 1431: Marriage

That's supposing that same-sex couples only want their legal status, but not social status to be recognized. Which I doubt. Humans are social animals. Well, no. You can't force anyone to accept something they don't just because you feel like it is acceptable. That is just the same situation reverse...
by stianhat
Mon Aug 25, 2014 6:57 pm UTC
Forum: Fictional Science
Topic: How close can two planets' surfaces get?
Replies: 15
Views: 10426

Re: How close can two planets' surfaces get?

Just curious: Why can't both planets break up once they are inside each other's Roche limit? I would hazard the guess that if the forces of planet A are enough to rip apart planet B, then planet B's forces cannot be large enough to rip apart A since the same forces are holding B together. If planet...
by stianhat
Mon Aug 25, 2014 1:57 pm UTC
Forum: Fictional Science
Topic: Find the Equator
Replies: 4
Views: 4745

Re: Find the Equator

Setting up a "portable" foucault's pendulum rig would also get the job done. Wherever the pendulum's plane is constant is the equator. Rotating clockwise through a projection of NSEW means you are on the "north hemisphere" (that is, north pole as defined north by earth's rotation...
by stianhat
Fri Aug 22, 2014 11:35 pm UTC
Forum: Fictional Science
Topic: Cutting off a finger
Replies: 31
Views: 18202

Re: Cutting off a finger

Well I once crushed my middle finger in some industrial equipment (quite badly. it split in two) and while anectodal evidence is anectodal, I too did not feel it as it happened. it took a good 7-8 seconds before the pain started and it was throbbing with my heartbeats. I then got very nauseous and d...
by stianhat
Sun Aug 17, 2014 7:21 pm UTC
Forum: Science
Topic: Stimulated emission and no-cloning theorem
Replies: 8
Views: 3850

Re: Stimulated emission and no-cloning theorem

I thought that theorem only applied copy as in "reproduce". If so, there is no contradiction.
by stianhat
Sun Jul 27, 2014 9:46 am UTC
Forum: What If?
Topic: What-If 0106: "Ink Molecules"
Replies: 43
Views: 11282

Re: What-If 106: "Ink Molecules"

There's only one problem with this what if. C isn't a molecule. Graphene is (mostly) the molecule, and it's a huge molecule (of variable size, but huge.) The carbon ink is made of graphene. The carbon in this ink is certainly what is called "carbon black" or "lamp black" in the ...
by stianhat
Wed Jul 23, 2014 11:38 pm UTC
Forum: Science
Topic: Compression and Degenerate Matter
Replies: 12
Views: 3314

Re: Compression and Degenerate Matter

Aye, for pre-degeneracy it will compress somewhat linearly, albeit correcting for when you run through the different polymorphs of iron you will change the modulus and change the slope of the dp/dv plot. What happens when you overcome the forces keeping the electrons and the nuclei separate is anoth...
by stianhat
Wed Jul 23, 2014 9:29 am UTC
Forum: Science
Topic: Compression and Degenerate Matter
Replies: 12
Views: 3314

Re: Compression and Degenerate Matter

This is an interesting question. I wonder what would happen also, upon releasing said external pressure. Will neutronium / strangelets relax back into normal matter if said pressure was released?
by stianhat
Mon Jul 14, 2014 12:37 pm UTC
Forum: Science
Topic: Absorption of visible light in atmosphere
Replies: 14
Views: 6348

Re: Absorption of visible light in atmosphere

The sky is blue mostly because of rayleigh scattering (microparticles scatter blue light more, making the sky blue and the sun reddish. Most obvious at low solar angles). Blue light is more readily absorbed than red light, since its wavelenght is shorter, but this difference is not enough to make a ...
by stianhat
Tue Jul 08, 2014 9:33 am UTC
Forum: Science
Topic: The limitations of the scientific method
Replies: 6
Views: 2349

Re: The limitations of the scientific method

...I haven't received a reason to why is that... And there is your answer... Basically - any effect that has a *noticeable* effect must by definition be measurable. If it is measurable then it is also possible to statistically say something about what events occur most frequent or strongest in conj...
by stianhat
Mon Jul 07, 2014 9:57 am UTC
Forum: Science
Topic: "Things I Won't Work With" (Derek Lowe's Chemistry Blog)
Replies: 60
Views: 49070

Re: "Things I Won't Work With" (Derek Lowe's Chemistry Blog)

Wouldn't it be more effective to just bomb the airfield in that case, or is a blown up airfield that easy to repair? Well, a blown up airfield is not complicated to repair. It is far more complicated (and generates a lot of psychological effects) to *clean* an airfield, and you have no way of knowi...
by stianhat
Thu Jun 26, 2014 11:58 am UTC
Forum: Science
Topic: Does acceleration increase rest mass?
Replies: 29
Views: 6120

Re: Does acceleration increase rest mass?

But the length of an object doesn't change in its own frame, however fast it's going relative to the rest of the universe. Anything that happens to rest mass after accelerating at 1g for 31 years must also have happened to my body just from being stuck to the surface of Earth. So that's why I have ...
by stianhat
Thu Jun 05, 2014 2:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1377: "Fish"
Replies: 288
Views: 38069

Re: 1377: "Fish"

The Fermi paradox gets less paradoxical (but not enough to make it anything else than a paradox still...) by considering that on earth (4.5bn years) life has existed and communicated for 100-ish years. Technologically progressive life has existed for ~3000 years / ~500 years considering what one can...
by stianhat
Mon May 26, 2014 9:58 am UTC
Forum: Science
Topic: "True" one-way mirror
Replies: 14
Views: 2685

Re: "True" one-way mirror

Don't all mirrors absorb light and emit an approximation of it? (Getting a bit philosophical now) Well, no. Transmission, Absorption, Emission, Reflection. Different things (although, emission *can* be seen as the inverse of absorption) Reflection in most things mirror-like (i.e silvered surface) i...
by stianhat
Wed May 21, 2014 7:01 pm UTC
Forum: Science
Topic: Highest purity water and materials
Replies: 15
Views: 4176

Re: Highest purity water and materials

So contaminant concentrations below 1 ppt? The applications for that are pretty obvious, but how can such a purity even be measured? At that level wouldn't you be looking at nano-scale inclusions? I know you can see them, but how could you find them amidst the sea of silicon? How many sentences in ...

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