Other media
* Tube, a freeware game for MS-DOS computers from Bullfrog Productions * ''TUBE.'', an online magazine about visual and performing arts, founded in 2012 in Sacramento, California * Series of tubes, an analogy for the Internet used by United States Senator Ted Stevens * Picture tube, term in Paint Shop Pro software for a small digital image with no backgroundScience, technology, and mathematics
Construction and mechanics
*Electronics
* Tube (BBC Micro), an expansion bus on the BBC Micro computer * Cathode-ray tube, a component used in display devices such as televisions *Mathematics
* Tube domain, in several complex variables * Tubular neighborhood, in differential geometry * Cylinder (geometry), from elementary geometryOther technologies
* Tube (container), a type of packaging for pasty and viscous goods such as toothpaste * Extension tube, a tool for macro photography *Other uses in science
* Eustachian tube, part of the structure of the ear * Lava tube, found in volcanic regions * Fungal tubes, mushroom structureTransportation
* Hudson Tubes, a colloquial historical name for the PATH (rail system) * The Tube, a widely used name for the London Underground, a rapid transit train system * Transbay Tube, an underwater rail tube across San Francisco BayOther uses
* Tube (toy), or swim ring, a toy that assists play on water * Tubes (peak), the second highest peak of the Mecsek mountain range in Hungary * Tubing (recreation), riding on an inner tube as a recreational activity * Yoplait Tubes or Go-Gurt, a brand of sweetened yogurt * A type of surf wave * Tube, Kakao Friends charactersSee also
* Pipe (fluid conveyance), a tubular section or hollow cylinder used to convey substances which can flow * The Tube (disambiguation) * Microtube (disambiguation) * Tub (disambiguation) * Tubing (disambiguation) {{disambiguation, math