Posted on 12/16/2013 12:31:37 PM PST by listenhillary
A research team from the University of Singapore has developed a device that can make objects invisible by bathing them in a beam of darkness.
The system takes the conventional approach to optics -- which generally aims to make images as sharp and clear as possible -- and turns it completely on its head. Usually imaging systems focus light into a pattern known as a point spreading function, which consists of a spiked central region of high intensity (the main lobe) surrounded by a concentric region of lower intensity light and a higher intensity lobe after this. In order to achieve the best resolution, the central region should be narrowed and intensified, while the outer lobe is supressed. This makes sure that the image is very bright and sharp with well-defined edges.
The researchers' beam can hide macroscopic objects by taking the opposite approach: intensifying the outer lobes suppressing the central region. This means that the central region has a field intensity of light that is pretty much zero.
(Excerpt) Read more at wired.co.uk ...
Yes, it’s so awesome it can hide a 40-micrometer letter N completely from a particular frequency of red light!
Gordon Lightfoot - Ribbon Of Darkness Lyrics
Interesting. Like is done with sound, but at a much more precise level. However, I think of sound as a wave, and light as energy.
As sung by Marty Robbins.
And Gordon Lightfoot.
Each night, when I flip the wall switch in my bedroom to the “off” position, the entire room is bathed in a “beam of darkness.”
Ah, it’s a cloaking device! Got it. I’ll take two.
How about a DASER?
Faster Than The Speed of Dark.
Sweet!
wow, we could erase our enemies with a DASER
cool! all we have to do is get the bad guys to wear these (whenever they come out)./sarc
If ‘c’ represents the speed of light, what’s the symbol for the speed of Dark?
And is that the propagation rate of Dark Energy?
I like that. :)
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bm
when you hit oil on your land or sumpim otherwise you can only vote for them
I’m buying stock in manufacturers of Dark Emitting Diodes.
DarkLight: because it makes the difference between night and dark
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