Sounds counter-intuitive but that's exactly what the researchers found a hot plasma ray can do.
, the fourth state of matter, is created when gases are energized. In this state, the electrons of the gaseous element leave their nuclear orbits and the matter can release photons, ions, or even electrons in a flow. These can be visualized in the form of a ray or a bolt of lightning.
A few years ago, Hopkins and his collaborator at the US Navy Research Laboratory, Scott Walton, made a surprising discovery. When they fired a purple jet of plasma created using helium on a gold-plated surface, they found that it cooled the object first before heating it up. This phenomenon has never been observed before and the researchers had to repeat their experiments on multiple occasions to confirm that their observations were indeed correct.
After their multiple observations, the researchers determined that the cooling was likely the result of blasting off of an ultra-thin surface layer of water and carbon molecules that was hard to see but existed on the surface of the object.
The US Air Force likes the concept and has awarded Hopkin's team at Experiments and Simulations in Thermal Engineering lab a grant of $750,000 over three years to take it forward. Furthermore, the team will also build a prototype device through their spinout company, Laser Thermal.The coupled interactions among the fundamental carriers of charge, heat, and electromagnetic fields at interfaces and boundaries give rise to energetic processes that enable a wide array of technologies.
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