On the Effectiveness of Aluminium Foil Helmets: An Empirical Study

Electrical Engineering and Computer Science department, MIT ^ | 17 Feb 2005 | Ali Rahimi, Ben Recht, Jason Taylor, & Noah Vawter

[SuziQ]

Here you go!

[Old Seadog]

"I'm guessing real tin works better than aluminum, and lead works better than both."

Lead works best when skin diving.

[TChad]

What stuff. Of course the hats work.

This is just another sloppily executed DARPA disinformation project.

The conclusive rebuttal is here.

http://zapatopi.net/blog/?post=200511112730.afdb_effectiveness

[Pagey]

Statistical evidence suggests the use of helmets may in fact enhance the government's invasive abilities. We speculate that the government may in fact have started the helmet craze for this reason.

Well thanks alot for that information, how very helpful of them to let me know after all these years.

[bvw]

Hey -- I've worked in a lead shielded rooms a bunch of times. The first time -- at some quasi-national lab -- my boss stripped the lead out of the walls, made it into diving weights and sold them at his dive shop. His dive shop office annex was his office at the lab anyway.

[IronJack]

I has to be aluminum foil since there never has been such a thing as tin foil.

So, they've gotten to you too.

[reagan_fanatic]

You should never leave the house without first checking for the presence of Black Helicopters...

[Old Seadog]

Sorry, you're wrong. Tinfoil was a precursor to aluminum foil. It was stiffer and harder to use and gave food a slight taste if tin so it was discontinued in favor of aluminum.

[truemiester]

1) only use the aluminium from beer cans
2) have the cans beaten into shape of your head
3) do this (by someone you trust, like an ex-wife, any inlaw or teenage son) directly on your head
4) trust the goverment.
5) beleive everything on DU. (repeat this until you get it right)

Thank you
Teddy (the Swimmer) Kennedy for king campaign.

[tomh68]

This is not a response that I expected. Maybe a response that one would get in Yahoo chat. I am a retired executive in the Aluminum industry,so have I have some knowledge of the metals industry. Just trying to point out that tin has never been made into foil.

[IronJack]

What was I wrong about?

[IronJack]

Just trying to point out that tin has never been made into foil.

Then I know a salesman at Paranoics 'R' Us who owes me an explanation and a refund.

[rftech01]

I asked another engineer about this and made the suggestion that we wrap our heads in duct tape prior to attaching the aluminum foil helmet.

His response: "Actually, probably not. The duct tape is a pretty good dielectric at those frequencies, and the variations in the thickness and overlap would form a bit of lensing and concentrate the field strength. The aluminum foil is best used standalone.

One thing that may have helped would have been to crinkle the aluminum foil more. That would tend to scatter the propagating EM waves."

I think we haven't gone far enough! We need ear coverage in the form of foil wrapped earmuffs (it's easy to get to the brain via the ear canal) and EYE protection as, it is easy to get in the head via the eye sockets, nasal passages and sinus cavities. I would urge caution using the foil wrapped sunglasses while operating machinery or being seen in public.

[TChad]

I has to be aluminum foil since there never has been such a thing as tin foil.

Sure there was.

http://en.wikipedia.org/wiki/Tinfoil