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Fossil fuel subsidies have been described as "any government action that lowers the cost of fossil fuel energy production, raises the price received by energy producers, or lowers the price paid by energy consumers."
A unipolar motor (also called homopolar motor) is a direct current (DC) motor typically with slip-rings on each end of a cylindrical rotor and field magnets or a DC field winding generating a magnetic field on the stator. The rotor has typically not a winding but just straight connections in axial direction between the slip-rings (e.g. a copper ...
A pure homopolar motor (PHM) [1] [2] [3] is an electric motor not requiring brushes, electronics, or semiconductor parts to convert direct current into torque.In other words, this homopolar motor only requires a theoretical homogeneous or actual (constantly or cyclically) homogenized magnetic field and direct current, similarly to the Faraday Homopolar Motor (FHM).
A polar aprotic solvent is a solvent that lacks an acidic proton and is polar. Such solvents lack hydroxyl and amine groups. In contrast to protic solvents, these solvents do not serve as proton donors in hydrogen bonding, although they can be proton acceptors. Many solvents, including chlorocarbons and hydrocarbons, are classifiable as aprotic ...
The 2024 Paris Motor Show (in French Mondial de l'automobile de Paris or Mondial de l'Auto) took place between October 14 and 20, in the Porte de Versailles exhibition pavilion, the first day the show was open to the public on October 15, with the 14th day dedicated to the media and industry specialists.
The 2024 FIA Motorsport Games was the third edition of the FIA Motorsport Games.The event took place on 23–27 October 2024 with Valencia as a host city; the Circuit Ricardo Tormo in Cheste was the main venue, hosting all of the circuit-based car categories including drifting, whilst the Aspar Circuit in Guadassuar hosted the Karting and Cross Car disciplines, and the eSports competitions and ...