The present invention relates to a filter medium (10) for air and/or water cleaning, comprising a semiconductor photocatalytic material (14) and a light energy source (15) for radiating light provided to activate photocatalytic reactions of the semiconductor photocatalytic material (14). The light energy source (15) is configured as a support (16) for the semiconductor photocatalytic material (14). The filter medium (10) can be incorporated into a filter unit (100).

The present invention relates to a method and arrangement for reducing carbon dioxide in exhaust gases formed by combustion characterized by an exhaust system having a space (5) in which the exhaust gases are supplied to plant parts comprising chloroplasts with chlorophyll via means (6) for injection and an apparatus for generating and scattering of red light (7), preferably light from a laser and/or maser into the mixture of exhaust gases and plant parts, and of a grape sugar collecting device (8), and or, a collecting device (9) for water condensed from the exhaust gases.

The present invention relates to a method and arrangement for reducing carbon dioxide in exhaust gases formed by combustion characterized by an exhaust system having a space (5) in which the exhaust gases are supplied to plant parts comprising chloroplasts with chlorophyll via means (6) for injection and an apparatus for generating and scattering of red light (7), preferably light from a laser and/or maser into the mixture of exhaust gases and plant parts, and of a grape sugar collecting device (8), and or, a collecting device (9) for water condensed from the exhaust gases.

A method of producing carbon-oxygen structures by the Decomposition of Carbon Dioxide Gas at low pressure, from 14.7 to 100 psi, using laser irradiation in the mid-infrared spectrum, from 2.3 to 3.3 microns.

A method of producing carbon-oxygen structures by the Decomposition of Carbon Dioxide Gas at low pressure, from 14.7 to 100 psi, using laser irradiation in the mid-infrared spectrum, from 2.3 to 3.3 microns.

An emissions-filtering reaction-isolation apparatus for stimulating hydride reactions that are confined in the apparatus and allowing any MeV ions with energy greater than approximately 2 MeV emitted to escape from the apparatus. The apparatus can include a reaction region enclosed by an envelope. The apparatus also can include one or more conductors comprising crystal films or particles of Pd, Ti, W, or Ni. The apparatus additionally can include at least two supports for each conductor. The apparatus further can include a hydrogen storage material located adjacent to the conductors. When the apparatus is stimulated by heating by one or more lasers or MeV energy particle beams, hydrogen is released from the hydrogen storage material, the heating causes the hydride reactions with the conductors, the hydride reactions increase a temperature of the apparatus providing a hydride reaction signature, and if any reactions cause emission of the ions, the ions escape from the apparatus to allow detection of the ions. Other embodiments are described.