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SAM PULLEN, Stanford University A: Since at least 1997, the Global Positioning System (GPS) Control Segment (CS) has issued what are known as “Notice Advisor(ies) to NAVSTAR Users” or “NANU(s).” As originally reported in Section 3.5 of the 2001 version of the GPS SPS Performance Standard (GPS SPS PS), these provide “notification of changes in constellation operational status that affect the service being provided to GPS users, or if the U.S. Government anticipates a problem in supporting performance standards established in this document.” The most recent 5th Edition of the GPS SP...

Around 7,000 tonnes of space debris is in the Earth's orbits - expert About 3,000 tonnes of operating vehicles are in the Earth's orbits, Head of the information and analytical center at Central Research Institute of Machine Building at the Russian Space Agency Igor Bakaras said MOSCOW, May 13. /TASS/. About 3,000 tonnes of operating vehicles and about 7,000 tonnes of space debris are in the Earth's orbits, Head of the information and analytical center at Central Research Institute of Machine Building at the Russian Space Agency (Roscosmos) Igor Bakaras said in an interview with TASS. "Accor...

Zebra Technologies Corp (ZBRA) Q1 2021 Earnings Call Transcript Motley Fool Transcribers © The Motley Fool Logo of jester cap with thought bubble. Zebra Technologies Corp (NASDAQ: ZBRA) Q1 2021 Earnings Call Operator Good day, and welcome to the First Quarter 2021 Zebra Technologies Earnings Conference Call. [Operator Instructions] After today's presentation, there will be an opportunity to ask questions. Please note this event is being recorded. I would now like to turn the conference over to Mike Steele, Vice President, Investor Relations. Please go ahead.SPONSORED: 10...

19 April 2021 In an effort to curb global warming, Purdue University engineers have created the whitest paint yet. Coating buildings with this paint may one day cool them off enough to reduce the need for air conditioning. In October, the team created an ultra-white paint that pushed limits on how white paint can be. Now they’ve outdone that. The newer paint not only is whiter but also can keep surfaces cooler than the formulation that the researchers had previously demonstrated. “If you were to use this paint to cover a roof area of about 1,000 square feet, we estimate that you could get...

16 April 2021 NASA’s Perseverance rover has now spent its first months on the surface of Mars. The testing and deployment phase is proceeding well, and after the first technology demonstration with the Ingenuity helicopter, the rover is commencing the continuous scientific measurements. With the arrival of the humidity and pressure measurement instruments onboard Perseverance, the first meteorological network on another planet is being created. The Perseverance rover landed successfully on Mars in February 2021 and will now explore an ancient river delta in the Jezero Crater for at least th...