electric heating pad
31Antarctic Snow Cruiser — The Antarctic Snow Cruiser was a vehicle designed from 1937 to 1939 under the direction of Thomas Poulter, intended to facilitate transport in the Antarctic. While having several innovative features, it generally failed to operate as hoped under… …
32stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
33Evaporative cooler — An evaporative cooler, photographed in Rocky Ford, Colorado, used in the drier parts of the American West to provide economical cooling …
34Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
35Drum brake — A drum brake with the drum removed as used on the rear wheel of a car or truck. Note that in this installation, a cable operated parking brake uses the service shoes …
36Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …
37Ironing — For other uses, see Ironing (disambiguation). Woman ironing a shirt (Köln, Germany 1953). Ironing is the use of a heated tool (an iron) to remove wrinkles from fabric. The heating i …
38railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
39Gong — Tamtam redirects here. For other uses, see Tamtam (disambiguation). This article is about the musical instrument. For other uses, see Gong (disambiguation). See also: slit gong A gong collection in a Gamelan ensemble of instrum …
40Griddle — A griddle is a piece of cooking equipment. In the industrial world usually it is a flat plate of metal (usually aluminium, stainless steel or cast iron). In the non industrial world, and in traditional cultures, the griddle may be a stone or… …
