By the way, Papp also polished the surface of his cylinder wall to high reflectivity.
On Sun, Jan 26, 2014 at 10:34 AM, Axil Axil <[email protected]> wrote: > http://www.google.com/patents/US3977191 > > Atomic expansion reflex optics power optics power source (aerops) engine > US 3977191 A > > a sealed system engine power source which has no exhaust nor intake ports. > The engine includes a spherical hollow pressure chamber which is provided > with a reflecting mirror surface. A noble gas mixture within the chamber is > energized by electrodes and work is derived from the expansion of the gas > mixture against a piston. > > Vortex discussed this engine back in 2010. This engine is an example of > how EUV can be used to explode nano-crystals to produce plasma expansion. > The same principle of nanoparticle explosion can be used in a catalyzed > water vapor based system as demonstrated by Papp. > > In the EUV portion of the spectrum (wavelengths shorter than about 30 nm) > nearly all materials absorb strongly, making it difficult to focus or > otherwise manipulate light in this wavelength range. Telescopes such as > TRACE or EIT that form images with EUV light use multilayer mirrors that > are constructed of hundreds of alternating layers of a high-mass metal such > as molybdenum or tungsten, and a low-mass spacer such as silicon, vacuum > deposited onto a substrate such as glass. Each layer pair is designed to > have a thickness equal to half the wavelength of light to be reflected. > Constructive interference between scattered light from each layer causes > the mirror to reflect EUV light of the desired wavelength as would a normal > metal mirror in visible light. Using multilayer optics it is possible to > reflect up to 70% of incident EUV light (at a particular wavelength chosen > when the mirror is constructed). > > High EUV reflectivity is one reason that Mills uses molybdenum in his > system. > > >
