Abstract: The Free-Piston Linear Generator (FPLG) technology is meant to serve as a link between the period of fossil fuels and the next green power generation. It consists of a Free-Piston Internal ...

Traditional Russian wooden Matryoshka dolls depicting Russian President Vladimir Putin and U.S. President Donald Trump in Moscow on Jan. 20, 2025. (Alexander Nemenov/AFP via Getty Images) U.S.

U.S. President Donald Trump's comments on Sept. 23 that Ukraine could retake all Russian-occupied territories triggered an immediate wave of criticism from Russian officials and state propagandists.

Abstract: This article discusses common circuit designs for power supplies used in spark erosion machines. The author proposes the use of a linear current source as a generator. Moreover, he presents ...