vacuum insulation
41Metallised film — Metallised films used for food packaging Metallised films (or metallized films) are polymer films coated with a thin layer of metal, usually aluminium. They offer the glossy metallic appearance of an aluminium foil at a reduced weight and cost.… …
42Tesla coil — at Questacon the National Science and Technology center in Canberra, Australia Uses Application in educational demonstrations, novelty lighting, as well as music Inventor …
43Ares I — This article is about the Ares I launch vehicle. For other uses, see Ares (disambiguation). Ares I Artist s impression of Ares I launch Function man rated orbital launch vehicle Manufacturer Allian …
44Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
45Hot tub — dablink|This article is about the pool. For the Seinfeld epidsode see The Hot Tub for the Drawn Together episode see Hot Tub (Drawn Together episode)A hot tub is a large home made or manufactured tub or small pool full of heated water and used… …
46Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
47Architectural glass — is glass that is used as a building material. It is most typically used as transparent glazing material in the building envelope, including windows in the external walls. Glass is also used for internal partitions and as an architectural feature …
48Appareillage electrique a haute tension — Appareillage électrique à haute tension Pour les articles homonymes, voir Appareillage (homonymie). Appareillage électrique 800 kV L appareillage électrique à haute ten …
49Appareillage Électrique À Haute Tension — Pour les articles homonymes, voir Appareillage (homonymie). Appareillage électrique 800 kV L appareillage électrique à haute ten …
50Appareillage à haute tension — Appareillage électrique à haute tension Pour les articles homonymes, voir Appareillage (homonymie). Appareillage électrique 800 kV L appareillage électrique à haute ten …
