Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid and semiconductor.It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, lead, and flerovium are below it. It is relatively unreactive.
invented by Malcom McLean
An intermodal container, often called a shipping container, is a large…
invented by Seymour Cray
The Cray-1, the first commercially developed supercomputer.
invented by Édouard Bénédictus
Laminated glass (LG) is a type of safety glass that holds together when…
invented by Soviet Union
A space station, also known as an orbital station or an orbital space station,…
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