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192.168.6.56/handle/123456789/76363| Title: | Essential chemistry The Periodic Table |
| Authors: | Ham, Becky |
| Keywords: | Periodic law—Tables. |
| Issue Date: | 2008 |
| Publisher: | Infobase |
| Description: | In 1977, two space probes lifted off from Earth on a mission to the outer reaches of the solar system. Voyager 1 and 2 each carried a unique item among the usual scientific instruments: a golden record filled with pictures, sounds, songs, and languages from around the world. The record was made of gold wrapped around a disc of copper, since recordings made on metal plates last longer and remain clearer than recordings made on ordinary plastic. The record, packaged with a needle and a power source to act as a basic record player, was designed to last for millions of years in outer space. |
| URI: | http://10.6.20.12:80/handle/123456789/76363 |
| ISBN: | 978-0-7910-9533-1 |
| Appears in Collections: | Chemistry |
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