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NASA Moves Closer to “First Contact”

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NASA ‘Warp Drive’ Could Take Spaceship to Mars in 70 Days

Friday, 01 May 2015 07:18 AM
By Clyde Hughes

NASA has successfully tested a type of “warp drive” popularized in the science fiction franchise “Star Trek” that could allow spaceships to travel at near light speed without using rocket fuel.

NASA announced on Wednesday that a team working at the Johnson Space Center tested the electromagnetic propulsion drive in a vacuum.

“Thrust measurements of the EM Drive defy classical physics’ expectations that such a closed (microwave) cavity should be unusable for space propulsion because of the law of conservation of momentum,” wrote José Rodal, Jeremiah Mullikin and Noel Munson forNASA Spaceflight.com.

“The concept of an EM Drive as put forth by (Satellite Propulsion Research Ltd.) was that electromagnetic microwave cavities might provide for the direct conversion of electrical energy to thrust without the need to expel any propellant,” they wrote.

NASA scientists said the warp drive would allow man-made spaceships to reach Mars in 70 days, noted the website.

“A 90 metric ton, 2 MegaWatt nuclear electric propulsion mission to Mars (would have) considerable reduction in transit times due to having a thrust-to-mass ratio greater than the gravitational acceleration of the sun,” Harold “Sonny” White of the Johnson Space Center told NASA Spaceflight.com.

Scientists stressed, according to The Verge’s Jacob Kastrenakes, that testing is just at the beginning stage but without the need for rocket fuel in space, it could reduce the volume that NASA and other space providers need to initially launch out of Earth’s orbit.

https://www.newsmax.com/TheWire/nasa-warp-drive-spaceship-mars/2015/05/01/id/641944/

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Branson’s ambitious space-travel project plagued by problems and delays

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Branson’s ambitious space-travel project plagued by problems and delays

Founder of Virgin Galactic believed in 2004 that commercial space travel was just three years away but string of failures has plunged future into doubt

It launched amid much fanfare, but Richard Branson’s Virgin Galactic commercial space-travel programme has been plagued with problems and delays. After a string of failures, Canadian astronaut Chris Hadfield last year said that the difficulties of aerospace engineering meant it was inevitable that at some point a Virgin Galactic craft would crash.

The first test ship, SpaceShipOne, had been filled with “single-point failures”. “There were things you probably would’ve done differently if you’re going to carry Angelina Jolie,” Virgin Galactic engineer Matt Stinemetze said in aninterview with Wired magazine in March 2013. “If one bolt falls off and you die, that’s a single point of failure.”

By 2004, Branson thought Virgin Galactic was three years away from launching people into space and opened a reservations website, which crashed because of the amount of interest. But three years later the programme was delayed after the detonation of a tank of nitrous oxide destroyed a test stand, killing three people and seriously injuring three others. In 2011, the newly designed test ship, SpaceShipTwo, malfunctioned during re-entry, though its pilots managed to correct the problem.

Virgin Galactic’s future was again in doubt last year, when it threatened to pull support from a publicly financed $209m (£130m) spaceport in southern New Mexico because of a dispute over liability. Critics accused the former governor of New Mexico, Bill Richardson, of jumping onto the deal without safeguards for the public investment. “Virgin has all the power in this arrangement. We don’t see it as a wise investment,” said Paul Gessing of the conservative-leaning Rio Grande Foundation.

https://www.theguardian.com/science/2014/oct/31/branson-virgin-galactic-space-travel-failures