From: Mike (mikew12345@cox.net)
Date: Fri Sep 03 2004 - 11:22:43 MDT
http://projects.star.t.u-tokyo.ac.jp:/projects/MEDIA/xv/oc.html
http://projects.star.t.u-tokyo.ac.jp:/projects/MEDIA/xv/images/oc-okugai
3.mpg
It's been done with clothing in Japan.
Mike W.
> -----Original Message-----
> From: owner-sl4@sl4.org [mailto:owner-sl4@sl4.org] On Behalf
> Of Eugen Leitl
> Sent: Friday, September 03, 2004 5:44 AM
> To: sl4@sl4.org
> Subject: Re: Book Review "Nano" No spoilers
>
>
> On Fri, Sep 03, 2004 at 03:58:06AM -0700, Thomas Buckner wrote:
> >
> > --- Keith Henson <hkhenson@rogers.com> wrote:
> >
> >
> > > In another place Marlow describes an invisible
> > > aircraft, one that has light
> > > emitters on it that make the surface of the
> > > aircraft look like the
> > > background and the story line makes use of the
> > > invisible properties of the
> > > aircraft. It is reasonable to assume that we
> > > could eventually have
> > > aircraft surfaces that can display the view
> > > blocked by the aircraft. But
> > > if you think about it, to do this you have to
> > > know exactly what direction
> > > you want to fool someone. Otherwise, you don't
> > > know what background to
> > > present. This is applying pre high school
> > > geometry and a bit of logic.
>
> You have to fake the wavefront in the VIS wavelenght range,
> which asks for phased array optics and
> sensors, and a computer to drive them.
>
> All of this is not very difficult with bulk nanoelectronics.
>
> This will work in VIS, but it will be impossible to
> sustainably prevent a huge emission in far IR.
>
> Can you dissipate the power anisotropically, anyone knows?
>
> > This has been done, primitively. Some WW2
> > antisubmarine aircraft had rows of light bulbs on
> > the leading edge of the wings which caused the
> > aircraft to blend into the background light of
> > the sky until it was too close for the sub to
> > dive. It did work.
>
> --
> Eugen* Leitl leitl
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