Monthly Reminder, please read: Please try to stay on topic. *Off topic: religion, sports, politics, numerology, UFOs, you get the picture. Please do not...
mad_scientist@yahoogr...
Jul 1, 2004 7:50 pm
1603
Normally I don't mass mail, but I thought this was of interest to all and sundry. Quote: "On Tuesday 21 September 2004 at 6.30pm The Hitchhiker's Guide to the...
... Hey, stop by on Capitol Hill. I'll be keeping the Museum of Mysteries open today (Sat 7/10) until early evening. Brought the microwave oven demonstration...
http://money.cnn.com/2004/07/13/news/fortune500/recycle_pc/index.htm Where I live, you can't drop a monitor in the trash. Ironic, because for a long time they...
... http://money.cnn.com/2004/07/13/news/fortune500/recycle_pc/index.htm ... Footnote: Good Guys is recycling for $10 a TV, or $25 for console TVs, but then...
... http://money.cnn.com/2004/07/13/news/fortune500/recycle_pc/index.htm ... Footnote: Good Guys is recycling for $10 a TV, or $25 for console TVs, but then...
Just a Note, the 10% discount is Only for a new TV. ... http://money.cnn.com/2004/07/13/news/fortune500/recycle_pc/index.htm ... Footnote: Good Guys is...
We bought a standard party-type 'black light' fluorescent fixture for our nine year old junior mad scientist. The first thing we did was to look at various...
Ray, Your clothes fluoresce mainly because of the laundry detergent you're using. There's a reason that they all claim to give you a "whiter brighter clean"-...
Hi Ray, -Don't forget to check out teeth. -Also, check out your paper currency. -Most of the interesting/dramatic fluorescent mineral specimens fluoresce at ...
Somewhere (I thought on this group - maybe a while ago, before one machines' hard drive crashed) I thought I saw a post about "Unidirectional magnets" where...
Thanks to everyone who posted information about UV light. Don and I now have a few things to try. I think I'll go buy a clear tube to put in a portable...
... Did you mean a white tube? Are you trying to make a black light out of a normal fluorescent tube? White fluorescent are specifically designed so as not to...
... I used to live near a store that specializes in lighting. One of the 'behind the counter' items is tubes that are identical to ordinary fluorescent tubes,...
... Don't be to sure about that! It's only 3W, but it's very close. Those bulbs manage to erase EPROMs in 20 minutes where it takes several days of full...
With all this talk of blacklights...has anybody ever heard of the Blacklight-based EMP device? I have the specs, but have not tried it myself yet...I don't...
talking about back lights , first , does any one know how harmfull the light itself can be to human eyes?... I have seen some LEDs that produce some sort of...
Hi, I was wondering if any one knows about those black data strips on the back of some cards like credit cards or other cards that carry personal data, does...
It's a magnetizable material like on a cassette tape. Although the formulation is made such that it isn't easily de-magnetizable. Put in the close vicinity of...
... Hi Sia, The black strips are a high coercivity iron oxide based magnetic material that contains digital data in three stripes (called tracks) that are...
... The fun part is, ferrous oxide, the active ingredient in those magnetic strips, is the same stuff that you see eating holes in your car! That's right, it's...
thanx for all the information , but just one more thing is it possible to buy raw magnetic cards and with a card reader make your own cards?... ofcourse I dont...
Hotels use that kind of thing all the time... however, it's too easy to use them for illegal purposes, so I don't know if Joe Average can just walk up and buy...
... your ... intention of ... opened by ... card ... Such cards are commonly used for access control & security. Places like http://www.highpowersecurity.com...
Companies involved with building security can sell you these systems but, why bother? It's obsolete technology. You'd be better off using a smartcard (a card...
... "Unidirectional ... make a ... fall ... side on ... It's called a "Halbach Array" You can also make one by putting a bunch of tiny supermagnets together...
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