When Clinton tapped him as his running mate in July 1992, Gore brought some impressive experience to the table, including service in the House and Senate, serious environmental credentials and expertise in science, space policy and emerging communication technologies.

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The achievements include sending rovers to Mars, placing countless communication and imagining satellites in orbit, and the International Space Station, a semi-permanent home in space.

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Beryllium: used as a lightweight component in military equipment and in the aerospace industry. it is used in high-speed aircraft, missiles, space vehicles and communication satellites.

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More important to communication and to sales is the amount of space between the two people.

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He also said he planned and designed a Sri Lankan communication satellite launched into space from Chinese soil last year.

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Interruptions in both communication and control have happened a few times in the past, the space agency said.

BBC: Nasa back in contact with the International Space Station

The cultural space created by traditional Chinese arch bridges has provided an environment for encouraging communication, understanding and respect among human beings.

UNESCO: Culture