Moon Pattern

having a “smart"phone for me is just

*opens the clock app instead of the calculator app*

*opens the calculator instead of the clock*

May the Four Forces Be With You!

May the force be with you? Much to learn you still have, padawan. In our universe it would be more appropriate to say, “May the four forces be with you.”

There are four fundamental forces that bind our universe and its building blocks together. Two of them are easy to spot — gravity keeps your feet on the ground while electromagnetism keeps your devices running. The other two are a little harder to see directly in everyday life, but without them, our universe would look a lot different!

Let’s explore these forces in a little more detail.

Gravity: Bringing the universe together

If you jump up, gravity brings you back down to Earth. It also keeps the solar system together … and our galaxy, and our local group of galaxies and our supercluster of galaxies.

Gravity pulls everything together. Everything, from the bright centers of the universe to the planets farthest from them. In fact, you (yes, you!) even exert a gravitational force on a galaxy far, far away. A tiny gravitational force, but a force nonetheless.

Credit: NASA and the Advanced Visualization Laboratory at the National Center for Supercomputing and B. O'Shea, M. Norman

Despite its well-known reputation, gravity is actually the weakest of the four forces. Its strength increases with the mass of the two objects involved. And its range is infinite, but the strength drops off as the square of the distance. If you and a friend measured your gravitational tug on each other and then doubled the distance between you, your new gravitational attraction would just be a quarter of what it was. So, you have to be really close together, or really big, or both, to exert a lot of gravity.

Even so, because its range is infinite, gravity is responsible for the formation of the largest structures in our universe! Planetary systems, galaxies and clusters of galaxies all formed because gravity brought them together.

Gravity truly surrounds us and binds us together.

Electromagnetism: Lighting the way

You know that shock you get on a dry day after shuffling across the carpet? The electricity that powers your television? The light that illuminates your room on a dark night? Those are all the work of electromagnetism. As the name implies, electromagnetism is the force that includes both electricity and magnetism.

Electromagnetism keeps electrons orbiting the nucleus at the center of atoms and allows chemical compounds to form (you know, the stuff that makes up us and everything around us). Electromagnetic waves are also known as light. Once started, an electromagnetic wave will travel at the speed of light until it interacts with something (like your eye) — so it will be there to light up the dark places.

Like gravity, electromagnetism works at infinite distances. And, also like gravity, the electromagnetic force between two objects falls as the square of their distance. However, unlike gravity, electromagnetism doesn’t just attract. Whether it attracts or repels depends on the electric charge of the objects involved. Two negative charges or two positive charges repel each other; one of each, and they attract each other. Plus. Minus. A balance.

This is what happens with common household magnets. If you hold them with the same “poles” together, they resist each other. On the other hand, if you hold a magnet with opposite poles together — snap! — they’ll attract each other.

Electromagnetism might just explain the relationship between a certain scruffy-looking nerf-herder and a princess.

Strong Force: Building the building blocks

Credit: Lawrence Livermore National Laboratory

The strong force is where things get really small. So small, that you can’t see it at work directly. But don’t let your eyes deceive you. Despite acting only on short distances, the strong force holds together the building blocks of the atoms, which are, in turn, the building blocks of everything we see around us.

Like gravity, the strong force always attracts, but that’s really where their similarities end. As the name implies, the force is strong with the strong force. It is the strongest of the four forces. It brings together protons and neutrons to form the nucleus of atoms — it has to be stronger than electromagnetism to do it, since all those protons are positively charged. But not only that, the strong force holds together the quarks — even tinier particles — to form those very protons and neutrons.

However, the strong force only works on very, very, very small distances. How small? About the scale of a medium-sized atom’s nucleus. For those of you who like the numbers, that’s about 10-15 meters, or 0.000000000000001 meters. That’s about a hundred billion times smaller than the width of a human hair! Whew.

Its tiny scale is why you don’t directly see the strong force in your day-to-day life. Judge a force by its physical size, do you? 

Weak Force: Keeping us in sunshine

If you thought it was hard to see the strong force, the weak force works on even smaller scales — 1,000 times smaller. But it, too, is extremely important for life as we know it. In fact, the weak force plays a key role in keeping our Sun shining.

But what does the weak force do? Well … that requires getting a little into the weeds of particle physics. Here goes nothing! We mentioned quarks earlier — these are tiny particles that, among other things, make up protons and neutrons. There are six types of quarks, but the two that make up protons and neutrons are called up and down quarks. The weak force changes one quark type into another. This causes neutrons to decay into protons (or the other way around) while releasing electrons and ghostly particles called neutrinos.

So for example, the weak force can turn a down quark in a neutron into an up quark, which will turn that neutron into a proton. If that neutron is in an atom’s nucleus, the electric charge of the nucleus changes. That tiny change turns the atom into a different element! Such reactions are happening all the time in our Sun, giving it the energy to shine.

The weak force might just help to keep you in the (sun)light.

All four of these forces run strong in the universe. They flow between all things and keep our universe in balance. Without them, we’d be doomed. But these forces will be with you. Always.

You can learn more about gravity from NASA’s Space Place and follow NASAUniverse on Twitter or Facebook to learn about some of the cool cosmic objects we study with light.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

I think the main difference between millennials and gen z is that we both went through the same awful things, all the same bullshit, but where as it left us depressed and disillusioned, it left them depressed, disillusioned and PISSED OFF.

Millenials: College is more expensive than it’s ever been but I still have to go and put myself in debt for the tiniest chance that it might make someone consider hiring me, I will never be able to afford a house, there’s a goddamn shootout every other day, the world is a nightmare and I wanna die.

Gen Z(Pointing directly at the old rich white fucks who made all this happen): College is incredibly fucking expensive but we still have to put ourselves in debt and do it, I’ll never be able to afford a house, there’s a GODDAMN SHOOTOUT EVERY OTHER DAY, the world is a nightmare and I wanna die and YOU MOTHERFUCKERS ARE GOING DOWN WITH ME.

Millenials: A lot of articles about how the environment’s a mess like to start with how we’re ‘destroying the world’ and framing it as personal responsibility. Like, ‘You! The environment’s in shambles and it’s YOUR FAULT! Yes you! You reading this! You did this! You did this by not biking enough!’ which is horseshit because we do not all have an equal environmental impact. We all have SOME impact, and you can take steps to try and minimize your own, but pretending that one single person’s impact is the same as a company’s or a billionaire who spent decades making his money off oil and fought the introduction of clean energy every step of the way is bullshit. Yes, the world is in shambles, but that’s not solely on us and we alone can’t stop it if they don’t change too. And they won’t.

Gen Z(Putting on their Ass Kicking Boots): Fortunately for us, those billionaires and company execs have names and addresses. :)

Well... I think I see myself in Gou a lot? I watched every episode at once (lol) and he grew a lot, from "we shouldn't help a bulbasaur" to helping Cubone to apologizing to an egg. I still couldn't understand the concept of "low empathy" but being able to understand he was wrong and changing, try to understand others couldn't bee seen as learning empathy?

Was looking around the tv tropes page for Journeys and it's kinda sad how biased against Gou it reads. The kid makes a mistake one that the anime clearly sees it as a mistake and something he has to work on but for some he is a monster that abuses his pokemon

I just skimmed it, and…wow.

It’s not as bad as I was expecting, but it definitely has shades of demonizing him for struggling with empathy.

Let me make this clear: HAVING LOW EMPATHY DOES NOT MEAN YOU ARE A BAD PERSON.

Empathy is not the same thing as compassion.

Empathy is not the same thing as sympathy.

Empathy is the ability to put yourselves in others’ shoes and understand the viewpoints/emotions.

God, can’t they just admit they hate neurodivergent people and go?

hello dark mode users :)

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🔭

When even your dear "calm and quiet" childhood friend is fed up by your hesitation.

(If you want to use the last picture as a meme you're welcome)