Print 7 comment(s) - last by Paj.. on Oct 16 at 6:07 PM

The lines represent electrons bending as they pass through the "invisible" nanoparticle  (Source: Bolin Liao)
Such a method could lead to the development of new switches for electronic devices and controlled electron transport as computer chips get smaller

A new cloaking method may be applied to electronics and thermoelectric devices for greater efficiency. 

MIT researchers Bolin Laio, Keivan Esfarjani, Gang Chen and Rutgers University Assistant Professor Mona Zebarjadi have applied visual cloaking technology to devices for better thermoelectric applications as well as better electronics.

The team used a cloaking mechanism that makes certain objects "invisible." This is usually performed on metamaterials made of artificial materials with strange characteristics, where composite structures for cloaking bend light beams around an object, then allow them to resume their original path on the other side -- making the object "invisible."

The MIT team decided to use this method on electrons instead of light. They wanted to do this in order to optimize the materials used in thermoelectric devices. Currently, thermoelectric devices, which create an electrical current from a temperature gradient, require different characteristics in order to do so -- and these characteristics are not easy to get. These characteristics are high electrical conductivity and low thermal conductivity.

While these characteristics can be obtained, not many materials provide the odd couple. However, the new cloaking method can help thermoelectric devices obtain such characteristics obtain the strange characteristics more easily. 

The team used nanoparticles with a core of one material and the shell of another, and allowed the electrons to pass through the particles instead of bending around them. However, their paths are bent one way as they pass through the particles, then bent back again as they exit. This made the material go "invisible," allowing the flow of electrons to to be improved at specific energy levels. 

The team used computer simulations to test out the theory, and it appeared to work. Now, they will attempt to apply it to real devices. 

"This was a first step, a theoretical proposal," said Liao. "We want to carry on further research on how to make some real devices out of this strategy."

Such a method could lead to the development of new switches for electronic devices and controlled electron transport as computer chips get smaller. 

Source: Science Daily

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Slightly off topic
By aurareturn on 10/15/2012 9:47:57 PM , Rating: 2
Can someone confirm if this is real?


RE: Slightly off topic
By V-Money on 10/15/2012 11:15:50 PM , Rating: 2
It is, but it is not quite as "invisible" as it looks like in the pic. Watch this for more info.

RE: Slightly off topic
By FITCamaro on 10/16/2012 7:33:06 AM , Rating: 2
If they put that in my car it better have an off switch. I don't want to constantly see the rest of the road as I'm driving down it.

RE: Slightly off topic
By jRaskell on 10/16/2012 10:57:25 AM , Rating: 2
Really? Doesn't look all that invisible even in that picture. At best, I'd call it just slightly transparent.

RE: Slightly off topic
By V-Money on 10/16/2012 12:58:55 PM , Rating: 2
I do agree, its not perfect yet, but I can see some uses for it. If you were to use this on your house or a secret facility I could see it working a lot better. It could have some uses,mostly on slower moving targets with broader sides. I could see some stealth tanks or a personnel carrier being made with this. Imagine sneaking a SEAL team into the middle of enemy territory virtually unnoticed. Granted, this would be a terrible thing for the enemy to have when they are willing to commit suicide.

RE: Slightly off topic
By Paj on 10/16/2012 6:07:19 PM , Rating: 2
Its basically someone in a special shiny cape having video projected on to them. It doesnt work without a video camera or projector.

Old news
By Ammohunt on 10/16/2012 11:15:10 AM , Rating: 3
Wonder woman has had this technology on her jet for decades...

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