OT: e-waste

That is definitely toxic if ground up and inhaled. Doesn't cause cancer but may cause bad lung problems. I'll be careful not to break up the insulators when I take apart my next magnetron. Eric

On Mon, 28 Apr 2014 10:56:29 -0700, ggherold waxed lyrical:

I think that guy is confusing his 'trons. The magnetron isn't a vacuum tube like he seems to talk about.

I don't have a first hand account of what they are made of. An IR spectrometer might tell for sure, but those things are sold for like 15

OK.. just my first hit.. there's this

George H.

On Mon, 28 Apr 2014 13:27:11 -0400, Michael Black waxed lyrical:

Hi Michael,

Inspired by a random redirect when visiting hackaday.com today I hopped on my bike and went out looking for e-waste to build a high-power CO2 laser out of. I didn't find a microwave oven, but in a temporarily placed dumpster in a parking lot I did find old CRT TVs, and 10 - 15 meters of pressure hose that someone had apparently bought and never used. It's mine now! It's actually perfect for when I get a hold of a fridge compressor. - A serendipitous start to my project.

I tried to be professional about it, wearing disposable latex gloves and putting the cover back on the TV I gutted. No one said a thing. When I found the hose I had to convince myself that it really was someone's trash that was my treasure.

Very strange for a pizza parlor to get into the scrap business. Sounds quite counter intuitive. Old tablets could live a perfect second life in anyone's home with just the right app, such as a remote control for the home theater. People used to pay 500? for much bulkier devices that did nothing but home theatre control.

I hope those old smarphones and tablets get shipped to developing countries and give the poor access to the internet. If that is what is happening then all is easily forgiven.

nanicoar scribbled thus:

I think you will find that it is a vacuum tube.

On Mon, 28 Apr 2014 20:48:08 +0000, Baron waxed lyrical:

...You're right. I was picturing a device where the walls are insulators and not conductors and assumed the dude in question did the same.

Who are you who are so wise in the ways of science?

Maybe. There is conflicting issues, for one BeO is expensive and many other ceramics (such as Al2O3) will do the job just fine. Microwave ovens are made dirt cheap and don't like any expensive materials in any parts.

?-)

it.

someone

A really great speaker that they did was the mellow monster in the late

?-)