Sunday, September 22, 2019

Tuesday, September 17, 2019

How would I make sense Higgs Boson to a seven year old?

SYO = Seven-Year-Old.

SYO: “What is a Higgs Boson?”

Me: “Well, you see, everything in the Universe is made of atoms. Me, you, this chair, that window, the air, an iPhone, and even water. Right?”

SYO: “Atoms are small.”

Me: “Yes very small. Smaller than your IQ! Anyways those atoms are made of even smaller things! We call them Elementary Particles! They are the smallest things in the whole entire Universe! They are the things that makeup even Atoms themselves!”

SYO: “Really?! I always wondered what Atoms are made of!”

Me: “Well there are many elementary particles we have discovered. 38 to be exact. And one of these 38 elementary particles is called the Higgs Boson.”

SYO: “So, elementary particles are the smallest thing and they make up atoms. And one of them is the Higgs Boson?”

Me: “Yes!”

SYO: “So how do these elementary particles make up atoms? What does the Higgs Boson do?”

Me: “Well the Higgs Boson is what gives things mass. This is a little complicated for you, but the mass is like weight. Its what gives things weight.”

SYO: “What is the difference between mass and weight then?”

Me: “See this plastic water bottle and this glass bottle. They’re the same size yet this one is heavier than this one. That’s because there are more atoms in the glass than the plastic.”

SYO: “So what gives the atoms their mass?”

Me: “The atoms are made of a cloud of electrons, an elementary particle, and a nucleus consisting of protons and neutrons. The protons and neutrons are not elementary but they’re made of three elementary particles each. Called Quarks. The majority of the mass of the atom comes from the Protons and Neutrons so we don’t need to worry about the electrons right now. But the Protons and neutrons get their mass from their quarks.”

Me: “You see, the proton and neutrons are made of 3 quarks.”

SYO: “Okay.”

Me: “The quarks get their mass from how they move through the Higgs field.”

SYO: “What the frick is the Higgs field?”

Me: “You remember how I said there were 38 elementary particles? Well, each of them has a field associated with them.”

SYO: “What does that mean?”

Me: “Do you know what a violin is?”

SYO: “I placed 1st in the nation for violinists.”

Me: “Wow okay. Imagine that the strings on the violin are 4 different fields. When you do nothing the fields are at rest, there is nothing happening to the strings. When pluck one string, it begins vibrating, that vibration on its string is like a particle in its field. A particle can be viewed as a vibration in its particle field. So those quarks in the photo, they are vibrations in the quark field. This applies to all elementary particles. The electrons? They’re just vibrations in the electron field.”

SYO: “Okay so what does this have to do with mass?”

Me: “Oh right! Well the Higgs Boson is a vibration in the Higgs Boson Field. And this field is what gives Quarks mass. Making this glass bottle have more mass and weight than this plastic bottle?”

SYO: “But like how?”

Me: “Have you ever been swimming?”

SYO: “Yes.”

Me: “You know how it's hard to move fast because of the water drags you and if you try moving fast it's very difficult?”

SYO: “Yes.”

Me: “That’s kind of how the Higgs field is with giving things mass. Picture yourself moving as fast as you can underwater. The water around you is like the Higgs field and you are like an elementary particle. The water is thick and stops you from moving normally like you would above water. That is kind of how the Higgs field gives mass to particles. The water is dense and it requires more energy to move through. The Higgs field is like the water and the particle has to work hard to move through it.”

SYO: “I think I get it now.”

Me: “Good. So to recap. Everything is made from atoms and atoms are made of elementary particles. The mass of an atom comes from the Protons and Neutrons. Those two are made of three elementary particles each called quarks. Those quarks get their mass from the Higgs field because they are like swimmers trying to move through the thick water.”

SYO: “I’m gonna go play Fortnite.”

Sidenote: I understand that the majority of the mass in the atom actually comes from the strong force interactions (gluons) inside each proton and neutron in the nucleus. But this is a seven-year-old and I wanted to keep it simple. He’ll learn anyways when he’s older.

Plasma Physics

Plasma is a state of Matter. The three other common states of matter are solids, liquids, and gases. Plasma is sometimes called the fourth state of Matter. Plasma is created by adding energy to a gas so that some of its electrons leave its atoms. This is called ionization. It results in negatively charged electrons and positively charged ions. Unlike the other states of matter, the charged particles in the plasma will react strongly to electric and magnetic fields (i. e. electromagnetic fields) if a plasma loses heat, the ions will reform into a gas, emitting the energy which had caused them to ionize. 
Plasma current
Over 99 percent of the matter in the visible Universe is believed to be plasma. When the atoms in a gas are broken up, the pieces are called electrons and ions. Because they have an electric charge, they are pulled together or pushed aport by electric fields and magnetic fields. This makes a plasma act differently than a gas. For example, magnetic fields can be used to hold a plasma, but not to hold gas. Plasma is a better conductor of electricity than copper. Plasma is usually very hot because it takes a very high temperature to break the bonds between electrons and the nuclei of the atoms. Sometimes plasma can have very high pressure, like in stars. Stars (including the Sun ) are mostly made of plasma. 
Plasma - Temperature
Plasma can also have very low pressure, like in outer space. On Earth, lighting makes plasma. Artificial (man-made) uses for television or computer screens, as well as plasma lamps and globes which are popular children's toy and room decoration. Scientists are experimenting with plasma to make a new kind of nuclear power, called fusion, which would be much better and sofer than ordinary nuclear power, and would produce much less radioactive waste.

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