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K4640 - Glass  21st Century Technology

Glass 21st Century Technology
Item No. K4640

Glass 21st Century Technology

Series: Show Me Science Technology
Item No: K4640
Length: 12 minutes
UPC: 709629046405
Copyright: 2014
CC: Yes
MARC Record: Yes
Language: English
Grade Level: 4-9
Age Range: 10-15
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SRP: $44.95
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Telecommunication systems - semiconductors and optical fibers - require speed, accuracy and high quality. Glass is the key. Newly developed glass is both durable and scratch resistant. It is also used for terrestrial and extra-terrestrial telescopes. For example, The Very Large Telescope (VLT) in Chile uses four individual mirrors, each over eight meters in diameter, to see the details of our galaxy and beyond.