Scientists Say Invisibility Cloak Now Possible (Updated 8/13)

UPDATE 8/13/2008 at 7:58 AM: Here is a follow-up article at BBC that provides some additional information on this topic… Invisibility cloak ‘step closer’. And here is the original article by Xiang Zhang in NatureThree-dimensional optical metamaterial with a negative refractive index (there is a fee to access the entire article in Nature).

Original Posting on 8/11/2008

This is a huge step forward.

From FoxNews.com (excerpt and link)…

People can see objects because they scatter the light that strikes them, reflecting some of it back to the eye. Cloaking uses materials, known as metamaterials, to deflect radar, light or other waves around an object, like water flowing around a smooth rock in a stream.

Metamaterials are mixtures of metal and circuit board materials such as ceramic, Teflon or fiber composite. They are designed to bend visible light in a way that ordinary materials don’t. Scientists are trying to use them to bend light around objects so they don’t create reflections or shadows.

[…]

Continue reading…

Advertisements

Leave a comment

Filed under Business, General News, Military, Science/Technology

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s