Engineers Create Stable Plasma Ring in Open Air

Scientists at Caltech created a stable plasma ring in air by firing a high pressure water jet at a dielectric material .

The plasma ring was thought to be caused by the triboelectric effect which causes a discharge of free electrons .

A static field also formed around the jet .

The plasma ring also emitted radio frequency (RF) radiation together with ion-acoustic waves .

Read the full article and the research paper at the links below :

Related :

  1. About Static
  2. Plasma oscillation
  3. Ionacoustic waves and Langmuir waves (PDF)
  4. Ion acoustic wave generation by a standing electromagnetic field (PDF)
  5. Alfvén wave

Also related :


  1. On the Cascade Spectrum of Langmuir Waves in HAARP Heating Experiments
  2. Emission of RF radiation from laser-produced plasmas
  3. Femtosecond Lasers Create 3-D Midair Plasma Displays You Can Touch
  4. Sticky tape surprise


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