why physic say you can never touch any thing
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Everything you can see, touch, and “feel” is made up of atoms — the infinitesimally small constituent parts of matter. The field of study related to these, called “quantum physics,” gives us plenty of insane things to consider about the world around us — specifically, the indistinguishable activities going on at an atomic scale.
Ultimately, it may seem the atomic world isn’t particularly relevant to our day-to-day lives. However, this information is a key point when it comes to our understanding of how the four forces shape the physical world, and thus, it is key to understanding the universe. After all, you can’t understand how large things work without knowing the ins-and-outs of the small stuff, too.
Among the phenomena it encompasses, we have: quantum entanglement, particles that pop in-and-out of existence; the particle-wave duality, particles that shape-shift at random; strange states of matter; and even strange matter itself. Quantum mechanics also tells us that we are made up of particles, which means that, microscopically, all sorts of strange things are going on within us that aren’t perceivable to the human eye — things that sometimes seem to make little sense.
The Weird World of Particles
To understand why you can never touch anything, you need to understand how electrons function, and before you can understand that, you need to know basic information about the structure of atoms.
For starters, almost all of the mass an atom has is concentrated into an incredibly small region called the nucleus. Surrounding the nucleus is a whole lot of seemingly empty space, except for the region within an atom where electrons (and protons) can be found orbiting the central nucleus. The number of electrons within an atom depends on the element each atom is suppose to comprise.
Like photons, this funky subatomic particle also exhibits the particle-wave duality, which means that the electron has characteristics of both a particle and a wave. On the other hand, they have a negative charge. Particles are, by their very nature, attracted to particles with an opposite charge, and they repel other similarly charged particles.
This prevents electrons from ever coming in direct contact (in an atomic sense and literal sense). Their wave packets, on the other hand, can overlap, but never touch.
The same is true for all of humankind. When you plop down in a chair or slink into your bed, the electrons within your body are repelling the electrons that make up the chair. You are hovering above it by a unfathomably small distance.
Ultimately, it may seem the atomic world isn’t particularly relevant to our day-to-day lives. However, this information is a key point when it comes to our understanding of how the four forces shape the physical world, and thus, it is key to understanding the universe. After all, you can’t understand how large things work without knowing the ins-and-outs of the small stuff, too.
Among the phenomena it encompasses, we have: quantum entanglement, particles that pop in-and-out of existence; the particle-wave duality, particles that shape-shift at random; strange states of matter; and even strange matter itself. Quantum mechanics also tells us that we are made up of particles, which means that, microscopically, all sorts of strange things are going on within us that aren’t perceivable to the human eye — things that sometimes seem to make little sense.
The Weird World of Particles
To understand why you can never touch anything, you need to understand how electrons function, and before you can understand that, you need to know basic information about the structure of atoms.
For starters, almost all of the mass an atom has is concentrated into an incredibly small region called the nucleus. Surrounding the nucleus is a whole lot of seemingly empty space, except for the region within an atom where electrons (and protons) can be found orbiting the central nucleus. The number of electrons within an atom depends on the element each atom is suppose to comprise.
Like photons, this funky subatomic particle also exhibits the particle-wave duality, which means that the electron has characteristics of both a particle and a wave. On the other hand, they have a negative charge. Particles are, by their very nature, attracted to particles with an opposite charge, and they repel other similarly charged particles.
This prevents electrons from ever coming in direct contact (in an atomic sense and literal sense). Their wave packets, on the other hand, can overlap, but never touch.
The same is true for all of humankind. When you plop down in a chair or slink into your bed, the electrons within your body are repelling the electrons that make up the chair. You are hovering above it by a unfathomably small distance.
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