air envelope
81Natural ventilation — The ventilation system of a regular earthship. Natural ventilation is the process of supplying and removing air through an indoor space without using mechanical systems. It refers to the flow of external air to an indoor space as a result of wind …
82The Amazing Race — sometimes referred to as TAR, is a reality television game show in which teams of two people (with one exception), who have some form of a preexisting personal relationship, race around the world in competition with other teams. Contestants stri …
83Tube 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… …
84Passive cooling — refers to technologies or design features used to cool buildings without power consumption, such as those technologies discussed in the Passive house project.Passive coolingThe term passive implies that energy consuming mechanical components like …
85Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
86Airmail — (or air mail) is mail that is transported by aircraft. It typically arrives more quickly than surface mail, and usually costs more to send. Airmail may be the only option for sending mail to some destinations, such as overseas, if the mail cannot …
87Ed Yost — Paul Edward Yost (June 30,1919 ndash; May 27, 2007) was the American inventor of the modern hot air balloon and is referred to as the Father of the Modern Day Hot Air Balloon. cite web last = Kim first = Seung Min author link = title = Hot air… …
88Skyship 600 — The Skyship 600 is a modern airship, originally designed by British company Airship Industries, and now owned and operated by Airship Management Services and Skycruise Switzerland AG. The first Skyship 600 made its maiden flight in November 1984 …
89Lockheed AH-56 Cheyenne — AH 56 Cheyenne AH 56 Cheyenne during testing Role At …
90Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising …
