Apparatus and methods are described for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and a metallic foil surrounding the smoking material and configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. A collapse-prevention element configured to facilitate electrical contact between the electrodes and the metallic foil, by preventing the capsule from collapsing. Other applications are also described.

Apparatus and methods are described for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and a metallic foil surrounding the smoking material and configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. The metallic foil includes a plurality of regions along its length, each of the regions having a respective, different electrical resistance profile, such that upon a given current being driven through the metallic foil each of the regions heats to a respective, different temperature. Other applications are also described.

Apparatus and methods are described for use with a smoking device that includes at least first and second electrodes and one or more batteries. A capsule includes a smoking material containing one or more active agents, and a metallic foil surrounding the smoking material and configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. An overall resistance to the current that is provided by the capsule is configured to substantially match an internal resistance of the one or more batteries of the smoking device. Other applications are also described.

Apparatus and methods are described for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and a metallic foil surrounding the smoking material and configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. A paper covering covers the metallic foil, the paper covering defining openings via which the electrodes are configured to make electrical contact with the metallic foil. Other applications are also described.

Apparatus and methods are described for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and a metallic foil surrounding the smoking material and configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. The metallic foil is shaped such that at least a portion of the metallic foil is embedded within the smoking material. Other applications are also described.

Apparatus and methods are provided for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and metallic foil surrounding the smoking material, the metallic foil being configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. An inner lining lines an inside of the metallic foil, the inner lining being configured to diffuse heat that is generated by the metallic foil. Other applications are also described.

Apparatus and methods are provided for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and metallic foil surrounding the smoking material, the metallic foil being configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. The metallic foil has a first configuration at locations at which the electrodes are configured to contact the metallic foil, and a second configuration along a region in which the metallic foil surrounds the smoking material that is between the locations at which the electrodes are configured to contact the metallic foil. Other applications are also described.

Apparatus and methods are provided for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents, and metallic foil surrounding the smoking material, the metallic foil being configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. A paper covering covers the metallic foil, and is adhered to itself along a band of overlap, such as to form a cylindrical shape. An electrically insulating material is disposed along the band of overlap, to isolate an inner layer of the metallic foil from the electrodes. Other applications are also described.

Apparatus and methods are provided for use with a smoking device that includes at least first and second electrodes. A capsule includes a smoking material containing one or more active agents and metallic foil surrounding the smoking material, the metallic foil being configured to be heated via resistive heating by the electrodes driving a current into the metallic foil. A paper covering covers the metallic foil, and is adhered to itself along a band of overlap, such as to form a cylindrical shape. The metallic foil is treated along the band of overlap, in order to increase resistance of the metallic foil along the band of overlap. Other applications are also described.

A sidestream smoke removing device includes a housing has a smoking space defined therein, an article inserting part is positioned on one end of the housing and having an open area through which a smoking article is inserted into the smoking space, a sidestream smoke processing part positioned at a distance from an upstream end of the smoking article inserted into the smoking space and configured to process sidestream smoke produced from the smoking article, and an article detection part positioned in the article inserting part to be adjacent to the smoking article so as to detect the smoking article inserted into the article inserting part. The smoking article includes low flammability coating portions within a cigarette paper surrounding the smoking material. The article detection part may be configured to detect the low flammability coating portions of the smoking article. The sidestream smoke removing device detects an inserted smoking article using the article detection part and is activated only when the smoking article is inserted thereinto so as not only to provide the functionality of the device to the maximum extent but also to have superior effects in terms of the durability and stability of the device.