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originally posted by: The GUT
That's what me and my 89 yr old pop (retired AF) were speculating on. Whatever was floating down didn't look like chaff he had seen, but maybe it's the same thing using a different material?
Superconductivity was discovered on April 8, 1911 by Heike Kamerlingh Onnes, who was studying the resistance of solid mercury at cryogenic temperatures using the recently produced liquid helium as a refrigerant. At the temperature of 4.2 K, he observed that the resistance abruptly disappeared. In the same experiment, he also observed the superfluid transition of helium at 2.2 K, without recognizing its significance. The precise date and circumstances of the discovery were only reconstructed a century later, when Onnes's notebook was found. In subsequent decades, superconductivity was observed in several other materials. In 1913, lead was found to superconduct at 7 K, and in 1941 niobium nitride was found to superconduct at 16 K.
Great efforts have been devoted to finding out how and why superconductivity works; the important step occurred in 1933, when Meissner and Ochsenfeld discovered that superconductors expelled applied magnetic fields, a phenomenon which has come to be known as the Meissner effect. In 1935, Fritz and Heinz London showed that the Meissner effect was a consequence of the minimization of the electromagnetic free energy carried by superconducting current.
The first practical application of superconductivity was developed in 1954 with Dudley Allen Buck's invention of the cryotron. Two superconductors with greatly different values of critical magnetic field are combined to produce a fast, simple, switch for computer elements.
In 1962, the first commercial superconducting wire, a niobium-titanium alloy, was developed by researchers at Westinghouse, allowing the construction of the first practical superconducting magnets.
Percy Spencer invented the first microwave oven after World War II from radar technology developed during the war. Named the "Radarange", it was first sold in 1946. Raytheon later licensed its patents for a home-use microwave oven that was first introduced by Tappan in 1955, but these units were still too large and expensive for general home use. The countertop microwave oven was first introduced in 1967 by the Amana Corporation, which was acquired in 1965 by Raytheon.
Shawyer conducted aerospace research and development work in the defense sector in his early career, eventually transitioning into various positions at EADS Astrium (formerly Matra Marconi Space). He worked on the European satellite navigation project, Galileo, in a consulting role.
In 2001, he founded Satellite Propulsion Research Ltd, financed with private investments, grants, and commercial contacts.
Shawyer claims to have undergone seven independent positive reviews from experts at BAE Systems, EADS Astrium, Siemens and the IEE. As of 2014, no EmDrive has been tested in microgravity.
Shawyer speculated in 2006 that, with adequate funding, commercial terrestrial aircraft incorporating EmDrives as lift engines could be ready by 2020. He proposed that very high Q superconducting resonant cavities could produce static specific thrusts of about 30 kN/kW, which is 3 tonnes of thrust per kilowatt of input power − "enough to lift a large car"
A dusty plasma is a plasma containing millimeter (10−3) to nanometer (10−9) sized particles suspended in it. Dust particles are charged and the plasma and particles behave as a plasma. Dust particles may form larger particles resulting in "grain plasmas". Due to the additional complexity of studying plasmas with charged dust particles, dusty plasmas are also known as Complex Plasmas.:2
Dusty plasmas are encountered in:
• Industrial processing plasmas
• Space plasmas
• The mesosphere of the Earth
• Specifically designed laboratory experiments
Dusty plasmas are interesting because the presence of particles significantly alters the charged particle equilibrium leading to different phenomena. It is a field of current research. Electrostatic coupling between the grains can vary over a wide range so that the states of the dusty plasma can change from weakly coupled (gaseous) to crystalline. Such plasmas are of interest as a non-Hamiltonian system of interacting particles and as a means to study generic fundamental physics of self-organization, pattern formation, phase transitions, and scaling.
originally posted by: MystikMushroom
a reply to: BASSPLYR
You'd think it wouldn't be that hard to drive a few congressmen out the desert for a secret demo...
Perhaps they were trying to scare the government officials because they are against the triangle program (being break away)...?
originally posted by: BASSPLYR
a reply to: Zaphod58
Hmmmm. Gunna start looking at the various bases and what they are tasked to do including the "closed" bases. And who would have control over the project. AF, NAVY, CIA, NRO? All of them could probably use it's capabilities. Lots of places to hide such a craft.
San Clemente isle. But they let you hike all over it. Probably not a good place. Edwards already has their hands full with the B3 and the green machine. Norton maybe or some other closed base. Vandenberg they launch a lot of space stuff there I think? (not really sure but I thought they did) Tons of UFO sightings around there.
originally posted by: Zaphod58
a reply to: Baddogma
The system in question is DoD, not a specific service. You'll see something interesting but it won't be an aircraft.