Hi Rpbns4ever!
As a happily married guy, but I'm always asked why haven't we had kids.
My constant answer is that I'm perfectly happy and do not want to jeopardize our relationship.
I am a bit... let's call it terrified ;) to have kids, and got pretty sick of this question.
So about a year ago I stumbled upon a scientific research that proved my point!
The American Sociological Association conducted a research for two decades examining the impact of children on marriage,
and found that parents are more likely to be depressed than their childless couples.
In fact, people without kids were happier than any other group, including parents whose children have grown up and left home.
The conclusion was that marital quality often drops after the transition into parenthood, and that there is an increase in marital
happiness after the children leave home.
Having children is:
If you're leaning towards having kids, make sure you're both fully committed to parenting,
along with all the ups and downs that this will involve. Make sure you have a stable life
and that you're fully prepared financially and otherwise.
Remember that parenting is a choice, not an obligation, and it's not for everyone.
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My GF would like to have 4 kids, go figure....
Whitelisted!
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Have you watched Star Trek? If so you are probably aware of the fictional warp drive that is used to travel Faster Than Light. In case you aren't, the idea behind this is that you literally fold the space in front and behind you, therefore travelling the same space in a shorter period of time.
There is a proposed (in real-life) drive, that has been verified as mathematically correct called the "Alcubierre Drive" that does very much the same. However the fuel requirements make its use unfeasible outside a lab environment currently. It is theorized that it would take around 700kg of "negative mass" to create a warp bubble big enough to cover a small spacecraft.
Another cool theoretical drive is called the "EM drive" (Electromagnetic). It's a source of major controversy, as it implies that the law of conservation of momentum is broken. It basically uses a microwave generator to emit microwaves in an enclosed cavity to create thrust, requiring only electricity. The controversy arises from the fact that there is no reaction mass (ie, like the gases released from rockets for an equal and opposite reaction - newtons laws), and also lacks an directional radiation. Despite this, multiple independent teams (including NASA) have built miniature models and tested it showing positive results, within range of error.
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I'll actually take a look into the Alcubierre Drive, looks pretty interesting
Whitelisted!
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Thanks!
This is a pretty awesome way to build a whitelist. I been reading this discussion, and some pretty interesting stuff has been posted! Your reading list must be pretty long now! :)
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Wishlistin, huh?
Here's a nice fact about Venus: There are more volcanoes on Venus than on any other planet in the solar system. Astronomers know of more than 1,600 volcanoes on its surface, but there are likely many more too small for us to see. Scientists think most of these are dormant, though a handful may still be active.
Awesome, huh?
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Ruby Falls, in Chattanooga, TN, is a 200 ft waterfall that's located 1000 ft underground. It was discovered almost 100 years ago. People have tried dying the water to determine where it goes, but that has proven fruitless. Drinking the water is a terrible idea because it's rich in some compound (I don't recall right offhand, but I would guess magnesium sulfate) that acts as a laxative.
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Math guy here, not sure if this is obvious and/or well-known, but here goes:
Zero and one are the same thing, just defined by different operations on sets of values. How so? Well, zero for addition is a “value, that does not change the result”, so that A + 0 = A. For multiplication the equivalent value is one, so A * 1 = A.
Also, there is no such thing as subtraction — it is simply a reversion of addition. And, you guessed it, there's no division — it's just a reversion of multiplication.
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Engineering student here, so I have a bit of knowledge in this field.
I've always though of subtraction as addition of a negative value (like, 1+(-2)=-1), though, I've never thought to think of division as the reversal of multiplication, although I know it is the opposite operation.
I actually had a class in which we discussed identity elements, so that's already seen by me, though I'll whitelist you for adding some perspective into division operations
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Nice to see an smart person! Not many people actually remember and/or understand what they've been taught about math.
I have to be the bore though and mention that to define subtraction as “addition of negative”, you need to define what a “negative” means on given a set of values. Not all sets have or need this. Integers, rational, irrational numbers — yep, natural numbers — nope, and many many more sets don't have the idea of negativity or don't include numbers that correspond to (0 - A). So don't take negatives as granted.
Whereas saying that in (B = C - A), B is such a number that satisfies condition A + B = C, this only requires definition of equality and addition, nothing else.
And in math, trying to keep it simple (ha ha, I know), we avoid extra definitions unless required. Of course, in engineering you'd deal mostly with real numbers (and sometimes imaginary, but never for adding/subtracting), so your understanding is correct for your applied field.
Thanks for the WL and an interesting thread :)
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The infinite monkey theorem states that a monkey hitting keys at random on a typewriter keyboard for an infinite amount of time will almost surely type a given text, such as the complete works of William Shakespeare. XD
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Seen.
There actually was a software test about this, and it managed to generate a string that appears in one of his works.
Just 6 words or so, though.
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Bismuth has a half life a billion times longer than the universe. How long? Well, the universe is about 1.38×10^10 years old (time from the big bang to the present), so the half-life of bismuth-209 (henceforth I'll write just “bismuth” as this is the only naturally-occurring isotope) is about a billion (10^9) times the age of the universe. Based upon our understanding of astrophysics and the process of star formation in galaxies, all of the stars in the universe will have burned out in around 10^14 years, so you'll have to wait a time a hundred thousand times longer than the era in which stars shone in the universe for half of the bismuth atoms in your bottle of Pepto-Bismol to decay away
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Don't tell this to the food industry guys
Whitelisted!
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if you look at the back of your hand and extend your thumb and see those two little tendons pop out and form a triangle between your wrist and your first thumb joint, it's called an "anatomical snuff box," because people used to have the habit of sniffing powdered tobacco from this fleshy depression.
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When you put oxygen in an oxygen tank, you can compress it to different levels of pressure. Even if it is full of oxygen, it's not actually "full" until the tank isn't strong enough to contain the pressure of adding more oxygen. Water, on the other hand, cannot be compressed. If you pour water into the oxygen tank until it reaches the top, there's no way to add any more than that, it's completely full.
You can use the fact that water isn't compressible for some pretty useful stuff. If you want to hammer some nails into something, but you don't have a hammer, but you do have a glass bottle handy and access to water, you can use that as a hammer pretty effectively. All you need to do is fill the bottle completely with water, and make sure that there are no air bubbles in it, and you can use that without much fear of it shattering in your hands. Since the water can't be compressed, it makes the glass much more durable, and spreads force of the blow throughout the entire bottle, instead of the contact point taking the brunt of it and shattering.
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That's cool! Although don't be surprised if medical bills show up in your mailbox :P
Whitelisted!
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A few i have i read along during my time in the interwebs:
-Days are longer than years in Venus
-Humans share quite a bit of dna with banana(around 50% IIRC)
-Dinosaurs are not "extinct", since birds are considered a "type of dinosaur"
-Penguin colonies can be found in satellite images by looking at dark patches in the ice(their poop, LOL)
-To determine a female giraffe's fertility, the male will taste its pee
Thanks for the giveaways :)
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El iridio es un elemento químico de número atómico 77 que se sitúa en el grupo 9 de la tabla periódica. Su símbolo es Ir. Se trata de un metal de transición, del grupo del platino, duro, frágil, pesado, de color blanco plateado. Es el segundo elemento más denso (después del osmio) y es el elemento más resistente a la corrosión, incluso a temperaturas tan altas como 2000 °C. Solo algunos halógenos y sales fundidas son corrosivas para el iridio en estado sólido. El iridio en polvo es mucho más reactivo y puede llegar a ser inflamable.
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Did you know that gut bacteria may alter you behavior.
Researchers carried out gut bacteria swapping experiments in mice. Different strains of mice have different behavior patterns. Some are more anxious while others are aggressive and hyperactive. The researchers took mice from both extremes and exchanged their gut bacteria. They saw the behavior flipped as well, the anxious mice became more active and daring and the aggressive mice became more passive.
I find this very interesting.
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So, mice's brains are located in the guts, got it.
Whitelisted!
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Well, why just 1? here's some facts i liked :D
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That's a bunch of interesting facts, thank you.
Whitelisted!
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WELCOME TO YOUR ENERGETIC DRAMA-FREE SALBT!!!! (I've seen worse acronyms)
Well, this train had a different purpose originally, but drama ensued, and I dislike drama, because it creates stress.
Unlike movies, drama is bad in a lot of ways. Actually, I did a little research about stress and found a nice article about the side effects stress may have in the human body.
GIVEAWAYS LINKS AND WHITELIST RULES BELOW
Because I know some of you don't care about the text above.... which is fine, worrying about it would create stress anyways
SALBT!
All cd-keys in the SALBT are actually row, if that matters.. sorry about the region restriction ;_;
3 COPIES OF SHADOW OF MORDOR GAME OF THE YEAR EDITION
Also drama-free
HOW CAN I BE WHITELISTED?
Just tell me something sciencey. It must be something I don't know to qualify, so avoid commonly known facts. It can be related to any science field, and the information must be written in your comment, just linking something won't work.
I don't care if you're level 0 with 1040 wins, so don't worry about your ratio.
Giveaways will be running until July 10th. Good luck everyone!
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