Vacuum packing — Salt baked chicken feet sold in China: vacuum packed and ready to eat Vacuum packing or vacuum packaging is a method of packaging that removes air from the package prior to sealing. It can involve both rigid and flexible types of packaging. The… … Wikipedia
Laser printer — HP LaserJet 4200 series printer, installed atop high capacity paper feeder … Wikipedia
Sublimation (phase transition) — Dark green crystals of nickelocene, freshly sublimed on a cold finger … Wikipedia
Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… … Wikipedia
Timeline of computing hardware 2400 BC–1949 — History of computing Hardware before 1960 Hardware 1960s to present Hardware in Soviet Bloc countries Artificial intelligence Computer science Operating systems Programming languages … Wikipedia
Invention 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 … Wikipedia
motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… … Universalium
Package testing — Military shipping container being drop tested Testing … Wikipedia
Sublimation (chemistry) — Sublimation of an element or compound is a transition from the solid to gas phase with no intermediate liquid stage. Sublimation is an endothermic phase transition that occurs at temperatures and pressures below the triple point (see phase… … Wikipedia
Modified atmosphere — Testing the atmosphere in a plastic bag of carrots Modified atmosphere is the practice of modifying the composition of the internal atmosphere of a package (commonly food packages, drugs, etc) in order to improve the shelf life. The modification… … Wikipedia
Molded pulp — Molded pulp, also named Moulded pulp or Molded Fibre, is a packaging material, typically made from recycled paperboard and/or newsprint. It is used for protective packaging or for food service trays and beverage carriers. Other typical uses are… … Wikipedia