sandwiched layer
31Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
32Composite armour — Plasan Sand Cat light (5t) military vehicle featuring integrated composite armoured body …
33Chobham armour — A pre series American M1 Abrams, the first main battle tank type to be protected by Chobham armour …
34Quantum well — A quantum well is a potential well with only discrete energy values. One technology to create quantization is to confine particles, which were originally free to move in three dimensions, to two dimensions, forcing them to occupy a planar region …
35Bulletproof glass — is a colloquial term for glass that is particularly resistant to being penetrated when struck by bullets. Since manufacturing glass of usable thicknesses capable of fully stopping most bullets cannot currently be done, the industry generally… …
36Qincheng Prison — (秦城监狱) is a maximum security prison located in the Changping District northwest of Beijing. The prison was built in 1958 with aid from the Soviet Union and it is the only prison belonging to the Ministry of Public Security. The largest portion of …
37Grown-junction transistor — The grown junction transistor was the first type of bipolar junction transistor made [ [http://semiconductormuseum.com/PhotoGallery/PhotoGallery M1752.htm TRANSISTOR MUSEUM Historic Transistor Photo Gallery BELL LABS TYPE M1752] ] . It was… …
38Nacre — Mother of pearl redirects here. For other uses, see Mother of pearl (disambiguation). Part of a series on Seashells …
39Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… …
40Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
