approach hole
91physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
92Corona — This article is about the astronomical term. For other uses, see Corona (disambiguation). During a total solar eclipse, the solar corona can be seen with the naked eye. A corona is a type of plasma atmosphere of the Sun or other celestial body,… …
93Dental caries — This article is about dental caries in humans. To read about dental caries in other animals, please see dental caries (non human). Dental caries Classification and external resources Destruction of a tooth by cervical decay from dental caries.… …
94Orifice plate — Flat plate, sharp edge orifice ISO 5167 Orifice Plate An orifice plate is a device used for measuring the volumetric flow rate. It …
95Wooden toy train — Wooden toy trains are a system of small toy trains that run on wooden track. The tracks feature grooves which serve to guide the wheels of rolling stock. Traditionally parts are made of hardwoods which resemble anthropomorphical, fictional, and… …
96dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
97Castle — This article is about medieval fortifications. For other uses, see Castle (disambiguation). For a list of all castles, see List of castles. For similar but unrelated structures in Japan, see Japanese castle …
98Nanopore sequencing — is a method under development since 1995 [1][2] for determining the order in which nucleotides occur on a strand of DNA. A nanopore is simply a small hole, of the order of 1 nanometer in internal diameter. Certain transmembrane cellular proteins… …
99The Golf Channel — Infobox TV channel name= The Golf Channel logofile=Golf Channel.jpg logoalt= logosize= slogan= launch=January 17, 1995 owner= Comcast headquarters= Orlando, Florida, USA| sister names= web= [http://www.thegolfchannel.com/ thegolfchannel.com] terr …
100History of general relativity — Creation of General Relativity Early investigations As Albert Einstein later said, the reason for the development of general relativity was that the preference of inertial motions within special relativity was unsatisfactory, while a theory which …
