Abstract: A method for introducing gas like oxygen, air or carbon dioxide into water, in which a water flow enriched in the gas is passed through a reaction chamber so that the flow rotates around and moves along the Longitudinal axis, a sudden pressure minimum is provided in a section of this axis where gas comprised in the flow gets collected and mixed with vapor, the pressure is increased after the minimum, whereby gas is swallowed by water so that gas molecules get bound to water molecules. The apparatus for carrying out the method comprises a closed recirculating path with the reaction chamber, the flow is maintained by a pump, and the gas is introduced in the water either by a vortex stream or by a water jet pump. The so obtained water comprises the gas in stable and bound state in a concentration exceeding normal saturation. The dielectric constant and certain physical parameters of such water differ from those of pure water.

Abstract: A therapeutic lamp for biostimulation with polarized light, which comprises a light source with a power substantially between 30W and 300W, a reflector with a rotational paraboloid light reflecting surface arranged behind the light source so that the focal point substantially coincides with the point source, a polarizer arranged in the path to generate polarized output light which has a cross-section of at least 100 cm.sup.2. The lamp further comprises a first tube with a first axis coinciding with axis of rotation of the paraboloid surface, the reflector with the light source is fixed in the first tube so that a sealed connection is provided therebetween, a second tube with a second axis which closes an angle between 110.degree. and 120.degree. with the first axis, the tubes have substantially equal and circular cross-sections and are attached to each other to form an integral housing.