hole circle
61Marble (toy) — For the stone, see marble. For other uses, see Marble (disambiguation). Hand made marbles from West Africa …
62de Sitter–Schwarzschild metric — In general relativity, the de Sitter–Schwarzschild solution describes a black hole in a causal patch of de Sitter space. Unlike a flat space black hole, there is a largest possible de Sitter black hole, which is the Nariai spacetime. The Nariai… …
63Machining — Machine shop redirects here. For the record label, see Machine Shop Recordings. New Guinea in 1943. Mobile Machine Shop truck of the US Army with machinists working on automotive parts. Conventional machining is a form of subtractive… …
64Sala gang — The Sala gang (Salaligan in Swedish) was a group of five individuals originating from Sala, Sweden, that committed at least five murders and several thefts and burglaries from 1930 to 1936 in and around Sala. The gang s leader was Sigvard… …
65Melissa Auf der Maur — Auf der Maur in 2005 Background information Also known as MAdM Born March 17, 1972 …
66Billy Corgan — Corgan playing in Köln, Germany in 2005 Background information Birth name William Billy Patrick Corgan, Jr …
67Tube socket — Left to right: octal (top and bottom view), loctal, and miniature (top and side view) sockets. An early transistor socket and an IC socket are included for comparison. Tube sockets are electrical sockets into which vacuum tubes (also known as… …
68Hang (musical instrument) — Hang (2nd generation 2007) 53 cm in diameter and 24 cm high. A Hang (pronounced [haŋ], with vowel sound between those of the words hot and hungry) is a musical instrument in the idiophone class created by PANArt in Switzerland.[1] The Hang is… …
69Y and Z Holes — The Y and Z Holes are two rings of concentric (though irregular) circuits of near identical pits cut around the outside of the Sarsen Circle at Stonehenge. The current view is that both circuits are contemporary. Radiocarbon dating of antlers… …
70animal learning — ▪ zoology Introduction the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn. That animals can learn seems to go without saying. The cat that… …
