Invisibility/cloaking.. how does it work?

[Riotcheif]

first of you would be aware that scientist were able to cloak a single gold atom..

would this be considered chemistry?

 

but anyways could someone explain to me the basics?

how things work

how they relate to each other?

the concept seems hard to put together..

never heard of metacrysis before..

light bending all over the place.. wave lengths.. ugh please help explain this more in depth for me ( but simplistic/easy to understand) thanks

thanks

[New Zealand]

I'm not really sure about the details, but basically some substances are able to 'bend' light around them. I'm not sure how though :confused:

Anyway, the light rays from behind the object just go around it, and back onto their original course. So when the rays reach our eyes, it appears as if the object is not there at all.

 

That's all I know of it, for more info you could try wikipedia :eyebrow:

 

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

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first of you would be aware that scientist were able to cloak a single gold atom..

would this be considered chemistry?

 

I think it would fit better into physics?

[Kerry]

It would grab light as it approaches the cloak, forcing it to flow smoothly around it rather than striking it, rendering the object invisible to the naked eye.

 

http://www.labnews.co.uk/news_archive.php/5061/5/moving-forward-with-metamaterials

 

Not so much about exactly 'how' but might point towards some uses

[Riotcheif]

woudln't it be considered nano tech almost?

but hmm thanks for the links hopefully there's enough stuff on the web..

[JGK]

Work's really well on Star Trek (or if you borrow H Potter's cloak)