Is space a perfect vacuum, how do humans make vacuums on earth
Favorites|Homepage
Subscriptions | sitemap
HOME > > Is space a perfect vacuum, how do humans make vacuums on earth

Is space a perfect vacuum, how do humans make vacuums on earth

[From: ] [author: ] [Date: 12-11-10] [Hit: ]
-You can take a vacuum by keeping your lips closed and pulling all the air out of your mouth.You do it all the time - its pretty easy.-You can make a vacuum by sucking all the air out of something, such as a glass jar.......
No. A truly perfect vacuum is a theoretical concept it could never exist because it would take an infinite amount of energy to create one, and that's ignoring quantum mechanics processes such as the creation of virtual particles. Humans make them on Earth by using a pump it's not complicated.

-
One way is to fill a slim tube with mercury, seal it and invert it. A gap will appear at the top which is called a Torricellian vacuum after the dude that discovered it.

-
You can take a vacuum by keeping your lips closed and pulling all the air out of your mouth. You do it all the time - it's pretty easy.

-
You can make a vacuum by sucking all the air out of something, such as a glass jar.

-
Because earth has its own atmosphere

-
with a air pump
1
keywords: Is,earth,perfect,do,space,vacuum,vacuums,humans,make,how,on,Is space a perfect vacuum, how do humans make vacuums on earth
New
Hot
© 2008-2010 http://www.science-mathematics.com . Program by zplan cms. Theme by wukong .