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Electronic Components
What to Do With Excess Components?
A few decades ago, having a lot of excess electronic components was not really a problem because there was a vibrant retail market for them so it was fairly easy to find buyers for excess components. However this has changed now that the cost of producing finished electronic products is so low that most people do not have any reason to built or repair their own electronics. Similarly, the rise of Internet retailers has really undermined the idea of selling electronic components offline.
Published: 2010-01-21 17:49:59
Transcranial Magnetics
TCM is based upon a simple concept. As the brain is essentially a bioelectric mechanism, anything that interferes with the electronic functioning of the brain will affect the task or purpose of the area where the interference is applied. To do this they use an electromagnetic device, which is applied transcranially - meaning originating outside the skull. By using it on a certain part of the skull, researchers can disrupt a sector's ability to function.
Published: 2010-01-20 14:59:07
Inducer Motor Part - Herman Nelson Inducer Motor Parts
A Herman Nelson Inducer Motor part is a device that alternates current, where the power is supplied through electromagnetic induction to the rotors. It converts electric energy to mechanical energy through its rotating parts.
Published: 2010-01-20 10:02:55
New production method: Using EMP's to stamp steel
That's a steel-punching machine.
That's the blast from an electromagnetic pulse, or EMP (weaponized).
What does one have to do with the other? Well, if you want to stamp, shape or punch holes in steel to manufacture say, cars or washing machines, you need a big-ass press like the (relatively small) one above--which is expensive, huge, heavy, and eventually wears out. But as The Economist reports, German scientists have recently found a way to stamp steel--all the way through it if you like--using an EMP; and unlike the scary-ass diagram above, it can be done in such a controlled and refined way that it can be used for manufacturing.
The project is backed by Volkswagen and is being conducted by researchers at the Fraunhofer Institute for Machine Tools and Forming Technology in Chemnitz, Germany, and science geeks interested in the details should click here.
As for the manufacturing applications, using EMP's is better than traditional stamping because it doesn't leave burrs (think of metal splinters around the edge, that then need to be cleaned off in a second process) and it's quicker than ever laser-cutting:
...Says [head researcher Dr. Verena] Krausel, her machine can punch a hole clean through a sheet of steel in a fifth of second--compared with the 1.4 seconds needed by a laser.
Scaled up for mass production, that means an EMP facility could do about seven days' worth of laser cutting in a single day.
(more...)
Published: 2010-01-19 14:26:27
Induction Cooking - What Are the Advantages and Disadvantages?
What is induction cooking? It is often referred to as heatless cooking because it does not require an open gas flame or red-hot electric coils. Instead, heat is generated by electromagnetic currents in the burners that respond to metal cooking pots and pans. Induction cooktops have advantages and disadvantages. This article details them.
Published: 2010-01-15 17:17:05
Man Sues Neighbor For Not Turning Off His Wi-Fi
Author: samzenpus
Scyth3 writes "A man is suing his neighbor for not turning off his cell phone or wireless router. He claims it affects his 'electromagnetic allergies', and has resorted to being homeless. So, why doesn't he check into a hotel? Because hotels typically have wireless internet for free. I wonder if a tinfoil hat would help his cause?" 
Read more of this story at Slashdot.
Published: 2010-01-12 16:27:00
Sante Fe Man Sues Neighbor over Radio Waves
No one wins in this scenario: A man in Santa Fe claims his neighbor's use of wireless technology causes him to get ill. He has sued his neighbor, a woman who he used to hire to cook for him, and who purchased a house she used to rent. Electrosensitivity, or a claim that exposure to electromagnetic radiation causes illness, has been shown in dozens of controlled studies to lack any basis in whether signals or present or absent when self-identified and control subject were tested.
This case was filed in state district court, but will almost certainly be dismissed, not without some expense on the part of the neighbor. Courts have consistently ruled that the FCC is the sole agency in the US at any level (city, state, or federal) that has the power to set and enforce rules regarding spectrum. If you operate an FCC device in a form approved by the agency, then I can guarantee there is no basis for a suit.
While I am not a researcher, I have read tens of thousands of pages of studies on both sides of the issue. Some people believe (but cannot document) that cell phones may pose a risk for elevated incidents of cancer. Let's just pretend that it's always good to gather more information there, even though there are piles of studies from the last few years that can't find any correlation between cell phone use and illness.
But there should no longer be a dispute over electrosensitivity. It's become increasingly clear that people who claim that condition have a measurable health problem--Essex University and University of Regensburg both did work on this front.
Here's what I wrote about the Regensburg work back in August 2008: "The Regensburg study would say to me that electrosensitives need to be renamed: they're sensitive to something; it may even be psychosomatic; but the effects are profound, real, measurable, and (again shown in this study) not tied to whether a signal believed to cause harm is present."
I used to think that people with this self-described condition were tin-foil hat wearers. But in 2007, the evidence started to mount that these folks were not experiencing psychosomatic effects--they feel ill, and an industry has sprung up to impose quackery upon them.
A couple of readers sent in a link to this new paper on the effects of cellular phone use on mice that indicates "long-term exposure to electromagnetic waves associated with cell phone use may actually protect against, and even reverse, Alzheimer’s disease." Quite bizarre and fascinating; I've asked to get a copy of the paper. The researchers and journal appear to be quite legitimate. Copyright ©2010 Glenn Fleishman. All rights reserved. Please notify us if you find this content anywhere but at wifinetnews.com or wimaxnetnews.com. Reproduction of full articles from RSS feeds is prohibited without permission.
Published: 2010-01-11 16:32:17
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