Vacuum

Vacuum is space void of matter. The word stems from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often discuss ideal test results that would occur in a perfect vacuum, which they sometimes simply call "vacuum" or free space, and use the term partial vacuum to refer to an actual imperfect vacuum as one might have in a laboratory or in space. In engineering and applied physics on the other hand, vacuum refers to any space in which the pressure is lower than atmospheric pressure. The Latin term in vacuo is used to describe an object as being in what would otherwise be a vacuum.

The quality of a partial vacuum refers to how closely it approaches a perfect vacuum. Other things equal, lower gas pressure means higher-quality vacuum. For example, a typical vacuum cleaner produces enough suction to reduce air pressure by around 20%. Much higher-quality vacuums are possible. Ultra-high vacuum chambers, common in chemistry, physics, and engineering, operate below one trillionth (10⁻¹²) of atmospheric pressure (100 nPa), and can reach around 100 particles/cm³.Outer space is an even higher-quality vacuum, with the equivalent of just a few hydrogen atoms per cubic meter on average. According to modern understanding, even if all matter could be removed from a volume, it would still not be "empty" due to vacuum fluctuations, dark energy, transiting gamma rays, cosmic rays, neutrinos, and other phenomena in quantum physics. In the electromagnetism in the 19th century, vacuum was thought to be filled with a medium called aether. In modern particle physics, the vacuum state is considered the ground state of matter.

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Vacuum

Icaros

by Vacuum
Your Whole Life Is Leading Up To This

by Vacuum
Rise And Shine Olympia

by Vacuum
Queen

by Vacuum
Illuminati

by Vacuum
I Breathe

by Vacuum
Vacuum

by Adhesive
Nuclear India

by Vacuum
Satyricon

by Vacuum
They Do It

by Vacuum
My Melting Mood

by Vacuum
Fools Like Me

by Vacuum
The Culture Of Night

by Vacuum
Shape Of Things To Come

by Vacuum
Sign On The Skyline

by Vacuum
Science Of The Sacred

by Vacuum
Something Evil I Love

by Vacuum
Prussia

by Vacuum
Tonnes Of Attraction

by Vacuum
Let The Mountain Come To Me

by Vacuum
Sea Of Silence

by Vacuum
Pride In My Religion

by Vacuum
The Void

by Vacuum
Vacuum

by Jimmie's Chicken Shack
Mind Your Mind

by Vacuum
Vacuum

by In Flames
Starting (Where The Story Ended)

by Vacuum
Ripples On The Surface

by Vacuum
Power

by Vacuum
Tears Of A Nation

by Vacuum
Closer Than The Holy Ghost

by Vacuum
Love Earth Cry

by Vacuum
A Woman Named America

by Vacuum
Culture Of Night

by Vacuum
Big Ideas Grand Vision

by Vacuum
Atlas Shrugged

by Vacuum
Chant Like A Mantra

by Vacuum
Temporary Solution

by Vacuum
Vacuum

by Chordewa
Vacuum

by Crowbar
In The Dirt

by Vacuum
Tears

by Vacuum

Icaros

by: Vacuum

Sailing on a deep blue sea
Where dolphins roam the waters free
What's the law of nature:
Can we fly like dolphins dive
Standing on a mountain high
I keep the faith to touch the sky
These are dreams of heroes
These are dreams to feel alive
Eagles on solid air
Put their trust in the atmosphere
Riding on heavens high
This is the way, this is the day
Man has learned to fly
Like the albatross covers the horizon
Icaros, spread your wings and fly
Like the albatross covers the horizon
Icaros, spread your wings and fly
Sitting in a rocket ship
An exodus on a magic trip
What's the law of nature:
Can we open up the skies?
Through the holes of time and space
A future for the human race
These are dreams of heroes
These are dreams to feel alive
Eagles on solid air
Put their trust in the atmosphere
Riding on heavens high
This is the way, this is the day
Man has learned to fly
Like the albatross covers the horizon
Icaros, spread your wings and fly
Like the albatross covers the horizon
Icaros, spread your wings and fly
Eagles on solid air
Put their trust in the atmosphere
Riding on heavens high
This is the way, this is the day
Man has learned to fly
(Like the albatross covers the horizon
Icaros, spread your wings and fly)
(Like the albatross) Like the albatross
(covers the horizon) Icaros
Spread your wings and
Like the albatross covers the horizon
Icaros, spread your wings and fly
Like the albatross covers the horizon

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