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The force field seems to be created instantaneously whether this is due to programming or an instinctive reaction from intensive training has not been established. Theoretically, a ring wielder could use the ring as his/her/its sole source of life support. Gravitational stresses which could cause injury are stabilized for the ring wielder.
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An atmosphere appropriate to the ring wielder's biology is created inside the force-field while body temperature is maintained and waste products are removed. The ring creates a force field around the wearer, protecting him/her/it from the hazards of the void including filtration of stellar radiation and microscopic particulate matter which would ordinarily be fatal should the space debris strike the ring wielder at high speeds. With the cosmic scope of a Green Lantern's duties, it is only natural that the power ring is designed for operation in space. The ring can create various force fields of various sizes and shapes to protect the wearer and others around him. If the user wishes, they can alter the form of the blasts such as Kilowog's "booms." Hal Jordan) have been powerful enough to stagger even Superman. The weapon's power is more an indication of the will of the user. Their appearance does not indicate the power of the weapon. Kyle generally used fanciful constructs in the shape of advanced technology. The ring can be used to produce kryptonite and kryptonite radiation. The ring can project beams of force powered by the will of the user. The ring can be used to fire blasts of Oan energy or create weapons such as projectiles of them. Some of the abilities that a Green Lantern Ring has shown are: The limitations of such use are the skill, knowledge and imagination of the user. The ring can also create fields of force formed from an unknown energy that is bound by the users' will. It is also theorized that the ring also has a basis in other dimensional energies commonly called magic by users of such energies. A Green Lantern's ring, considered by some to be one of the most powerful weapons in the known universe, has the ability to affect and use fundamental forces of the known universe, including electromagnetic energies such as gravity, radiation, heat, light, and powerful blasts of concussive force. Rot Lop Fan, from a race without eyes, perceives it as the sound "F-Sharp" and his 'ring' is actually a bell. This energy is the green light of willpower of the Emotional Electromagnetic Spectrum. The rings use pure energy supplied by a Power Battery, which in most cases takes the form of bright green light. When he creates them, one often witnesses an "afterburner" behind Jordan of all his stray thoughts unconnected to the job at hand. Green Lantern Ring Jordan's constructs are among the most powerful.