create vacuum
51History of Physics — History of Physics † Catholic Encyclopedia ► History of Physics The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …
52Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
53Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
54Distortion (music) — Fuzzbox redirects here. For other uses, see Fuzzbox (disambiguation). Distortion (music) Boss distortion pedal Notes A well used Turbo Distortion guitar effect pedal made by Boss Distortion effects create warm , dirty and fuzzy sounds by… …
55List of Bobobo-bo Bo-bobo characters — The universe of the anime and manga series Bobobo bo Bo bobo is a home to a wide array of fictional characters. Contents 1 Main characters 1.1 Bobobo bo Bo bobo 1.2 Beauty 1.3 …
56integrated circuit — Electronics. a circuit of transistors, resistors, and capacitors constructed on a single semiconductor wafer or chip, in which the components are interconnected to perform a given function. Abbr.: IC Also called microcircuit. [1955 60] * * * ▪… …
57Negative-pressure wound therapy — Application of a vacuum pump using a foam dressing to a wound Negative pressure wound therapy (NPWT) is a therapeutic technique using a vacuum dressing to promote healing in acute or chronic wounds and enhance healing of first and second degree… …
58Gravity bong — Waterfall method= Similar in design to the bucket method is the fountain method, also known as a waterfall bong or flood (southern US colloquialism). A Fountain usually consists of a plastic bottle with a hole punched at the bottom and a… …
59particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
60technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
