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Understanding Fiber Optic Transceiver Design and Test Rules

Aerospace & Defense Technology: September 2019

  • Magazine Article
  • 19AERP09_03
Published 2019-09-01 by SAE International in United States

The design of avionics systems must balance several factors. First, engineers want to increase the performance of the systems installed in aircraft or spacecraft. Second, they want to reduce the size and weight of the equipment that must be carried. Third, they want to maximize the safety of the in-flight systems and maintain communication between the aircraft or spacecraft and other flight vessels and the command center, regardless of the circumstances.

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NASA Eyes GPS at the Moon for Artemis Missions

Aerospace & Defense Technology: September 2019

  • Magazine Article
  • 19AERP09_06
Published 2019-09-01 by SAE International in United States

The Global Positioning System (GPS), a satellite-based navigation system used by an estimated four billion people worldwide to figure out where they are on Earth at any moment, could be used to pilot in and around lunar orbit during future Artemis missions to the Moon.

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Lunar Surface Manipulation System

  • Magazine Article
  • TBMG-34912
Published 2019-08-01 by Tech Briefs Media Group in United States

NASA's Langley Research Center offers a novel lifting and precision positioning device with hybrid functional characteristics of both crane-type lifting devices and robotic manipulators. The design of the Lunar Surface Manipulation System (LSMS) allows for fine positioning with complete control over both translation and rotation of the payload. In addition, the design permits several other operations using a wide variety of special-purpose tools — such as a bucket, pallet forks, grappling devices, sensor, and visualization packages — and dexterous robotic arms that can be quickly added to the tip.

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Wire, Electrical, Crosslinked Polyalkene, Crosslinked Alkane-Imide Polymer, or Polyarlyene Insulated, Copper or Copper Alloy

AE-8D Wire and Cable Committee
  • Aerospace Standard
  • AS81044B
  • Current
Published 2019-07-08 by SAE International in United States
AS81044 covers single conductor electric wires made as specified in the applicable detail specification with tin-coated, silver-coated, or nickel-coated copper or copper alloy conductors insulated with crosslinked polyalkene, crosslinked alkane-imide polymer, or polyarylene. The crosslinked polyalkene, crosslinked alkane-imide polymer, or polyarylene may be used alone or in combination with other insulation materials as specified in the detail specification.
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Machining Capabilities Enhance Space-Related Programs

  • Magazine Article
  • TBMG-34736
Published 2019-07-01 by Tech Briefs Media Group in United States

Insaco Quakertown, PA

Humidity Measurement Devices for Mars Are Ready for Final Testing

  • Magazine Article
  • TBMG-34744
Published 2019-07-01 by Tech Briefs Media Group in United States

Vaisala Corp. Helsinki, Finland

Products of Tomorrow: July 2019

  • Magazine Article
  • TBMG-34757
Published 2019-07-01 by Tech Briefs Media Group in United States

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

Celebrating the 50th Anniversary of Apollo 11: On to Mars

  • Magazine Article
  • TBMG-34740
Published 2019-07-01 by Tech Briefs Media Group in United States

Just 54 years ago, the first photograph of Mars from a passing spacecraft appeared to show a hazy atmosphere. Now, decades of exploration on the planet itself has shown it to be a world that once had open water — an essential ingredient for life.

Celebrating the 50th Anniversary of Apollo 11: An Astronaut's View

  • Magazine Article
  • TBMG-34747
Published 2019-07-01 by Tech Briefs Media Group in United States

Before becoming an astronaut candidate in 1996, Mike Massimino was busy earning degrees — an undergraduate degree from Columbia University and four additional degrees from the Massachusetts Institute of Technology (MIT), including a doctorate in mechanical engineering.

Celebrating the 50th Anniversary of Apollo 11: Exploring Apollo's Impact Beyond 'One Small Step'

  • Magazine Article
  • TBMG-34763
Published 2019-07-01 by Tech Briefs Media Group in United States

On July 20, 1969, humans walked on another world for the first time in history. After a landing that included dodging a lunar crater and boulder field and almost running out of fuel just before touchdown, Neil Armstrong and Buzz Aldrin explored the area around their lunar landing site for 21 hours and 36 minutes while Michael Collins piloted the Command Module around the Moon. They collected soil and rock samples, set up experiments, planted an American flag, and left behind medallions honoring the Apollo 1 crew and a plaque saying, “We came in peace for all mankind.”