hot bonding
51Laser engraving — is the practice of using lasers to engrave or mark an object. The technique can be very technical and complex, and often a computer system is used to drive the movements of the laser head. Despite this complexity, very precise and clean… …
52Headmaster (Transformers) — Headmasters are a sub group of characters from the Transformers meta series, distinguished by their ability to detach their heads when transforming into their alternate modes, with the heads then transforming themselves into a humanoid form.… …
53materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
54rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
55Ethanol — For other uses, see Ethanol (disambiguation). Grain alcohol redirects here. It is not to be confused with Neutral grain spirit. Ethanol …
56Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
57Broadband Internet access — Broadband Internet access, often shortened to just broadband, is high speed Internet access typically contrasted with dial up access over a modem.Dial up modems are generally only capable of a maximum bitrate of 56 kbit/s (kilobits per second)… …
58Sodium carbonate — Sodium carbonate …
59Kite (Styrofoam-only) — Some kites are made of Styrofoam only. Styrofoam is a tradename for expanded polystyrene thermal insulation material (often referred to as EPS), manufactured by Dow Chemical Company; it is bluish in color. Popular abuse of names has EPS foam cups …
60noble gas — Chem. any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon. Also called inert gas. [1900 05] * * * or inert gas Any of the six chemical elements that make up the… …
