0:00
All righty.
00:01
One very handy thing is freeze -dried foods.
00:05
You know, people use this a lot when you're hiking or you're camping for a long time.
00:09
Even for some storm shelters and stuff, people actually keep freeze -dried foods dehydrated in a vacuum.
00:17
And during the process, i actually kind of have the bag here, and there's some perhaps freeze -dried food in here.
00:25
And a vacuum sucks all the air out of here.
00:27
It's sealed off.
00:28
And this is a very, very low, low pressurized environment here.
00:34
And it actually, the food needs to be reheated then to facilitate the dehydration.
00:39
So we want to do our best here to explain both how the vacuum speeds up the dehydration and why the food freezes as a result.
00:47
A very interesting question here.
00:49
Let's see what we can do.
00:50
So what happens is the vacuum will decrease the pressure of the system...