Maker Pro
Maker Pro

fuse rating question

J

James Beck

Jan 1, 1970
0
ok, so now my microwave works, as I already posted.

I have been using it with the cover off. I just noticed 4 1/4 holes on the
top of the heating cavity. They are not arraigned symmetrically. This was
made overseas, but they are between 6 and 7 mm in size. So, when I cook
something, I am pushing microwaves into my atmosphere. How far can they
travel? And can I out run them?

P
HMMMMMM.
If my memory serves, most ovens run at/near 2.5GHz.
That would give you a 1/4 wavelength of 3cm.
So, those holes would be big enough to pass some microwaves.
That's probably why they made a cover for it. ;)
 
J

John Fields

Jan 1, 1970
0
ok, so now my microwave works, as I already posted.

I have been using it with the cover off.


---
You shouldn't have done that, and you should never do it again.

The cover is probably part of the structure that keeps radiation
from leaking out of the oven, and by running the oven with the cover
removed you may have put yourself in danger by intercepting some of
that radiation.
 
J

James Beck

Jan 1, 1970
0
HMMMMMM.
If my memory serves, most ovens run at/near 2.5GHz.
That would give you a 1/4 wavelength of 3cm.
So, those holes would be big enough to pass some microwaves.
That's probably why they made a cover for it. ;)
I see I can screw up even when I am looking directly at the info.
The holes SHOULD be too small to pass any appreciable microwaves, BUT it
is still good practice to at least slide the case down over the unit and
attach at least one screw to act as a ground.

Jim
 
P

Paul

Jan 1, 1970
0
From what I know, they can not travel forever.

Cover has been replaced.
 
J

James Beck

Jan 1, 1970
0
From what I know, they can not travel forever.

Well, eventually, some will be absorbed by interstellar gasses and
objects they run into and the rest will become so weak as to blend into
the background noise, but they are still there.
Cover has been replaced.
 
P

Paul

Jan 1, 1970
0
is visible light still there after I turn off the switch?

James Beck said:
From what I know, they can not travel forever.

Well, eventually, some will be absorbed by interstellar gasses and
objects they run into and the rest will become so weak as to blend into
the background noise, but they are still there.
 
R

Rich Grise

Jan 1, 1970
0
fire ext will be 20 years old this august and still does not need a
recharge.
That just means your indicator dial has corroded in place.

Get it recharged.

Good Luck!
Rich
 
R

Rich Grise

Jan 1, 1970
0
is visible light still there after I turn off the switch?
Yes, of course. Whatever light escaped from your window, and out into
space, is still on its trajectory out into infinity, as a photonic
wavefront. Its pulse length is "however long the light was on".

Cheers!
Rich
 
P

Paul

Jan 1, 1970
0
ah, I remember an Isaac Asimov story about a machine that could look back
into time, by looking for the light from the event and therefore seeing the
past. It really did not work for long ago, since the light got "blurry", but
it was good for spying on things that happened just a little while ago. If
was pessimistic though. Well, I do not like the whole spying thing either.
Are you listening nsa?

P
 
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