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Space & Astronomy

Can EmDrive take us to Mars in 70 days ?

By T.K. Randall
September 4, 2016 · Comment icon 24 comments



EmDrive could revolutionize space travel. Image Credit: NASA / Mark Rademaker
NASA's mysterious electromagnetic propulsion engine has managed to pass a rigorous peer review process.
First developed back in 2001 by aerospace engineer Roger Shawyer, EmDrive allegedly works by converting electrical power in to thrust without the need for propellant through a process that scientists argue is in direct violation of the laws of physics.

A potentially revolutionary piece of technology, the engine could significantly reduce the time it takes to reach other worlds and make it possible for humans to get to Mars in under three months.

Now according to sources at NASA, a paper detailing the design and build of the mysterious engine has passed a rigorous peer review process and is set to be published in the near future.
One of the biggest mysteries surrounding EmDrive is its apparent ability to produce thrust without producing any sort of exhaust, something that conventional physics deems impossible and a conundrum that has lead some scientists to suggest that we simply lack the means with which to adequately measure whatever exhaust is actually being produced by it.

The authors of the new paper however suggest that the reason the engine doesn't appear to be producing any exhaust is because the photons coming out of it are interfering with one another.

"In the cavity the input photons will bounce back and forth, and invariably some of them will interfere completely destructively," they wrote. "Then the two photons will be exactly 180 degrees out phase."

Whether this adequately explains all of the EmDrive's peculiarities however remains to be seen.

Source: Tech Times | Comments (24)


Recent comments on this story
Comment icon #15 Posted by paperdyer 6 years ago
Maybe not.  You could have another engine in the front for braking.  If the engine does work, it's time to rewrite the laws of physics as we know them.
Comment icon #16 Posted by Merc14 6 years ago
Or you could turn the craft around and direct the thrust in the direction opposite of where your wee originally pointing. 
Comment icon #17 Posted by White Unicorn 6 years ago
I think they should try a small test protacal. There seems to be too much discussion on how it works instead of testing one. If you test one in action you might discover more of why it works, if it really does work. 
Comment icon #18 Posted by Merc14 6 years ago
What utter BS!  Man first flew in 1903, put his first satellite in orbit in 1957 and 12 years after Sputnik NASA put men on the Moon.  By 2016, a little over 100 years after the Wright bros., NASA had explored all 9 planets (Pluto was a planet when NH launched and placed a satellite into interstellar space.  They also placed a massive telescope into orbit around the earth, discovered thousands of exoplanets and landed on Venus, Mars and Titan.  Maybe you should open your eyes a bit and take a look at what is really going on in space.
Comment icon #19 Posted by Derek Willis 6 years ago
The amazing thing about NASA is that they do things as soon as the technology is available, and some might argue that on occasions the technology has not quite been available. You can criticize NASA for many things, but they have never hung about "before they decide to really start doing anything".
Comment icon #20 Posted by Merc14 6 years ago
Case in point, the James Webb Space Telescope.  It is awe inspiring what the JPL/NASA team has created with that instrument, truly a gamble of epic proportions just as the Hubble was.   How about landing a one ton rover on Mars?!   Crazy good engineering with that event and I don't think there is another entity on earth that could've accomplished that feat.   The CTers rant about NASA is one of the most ridiculous I see here.  NASA gets attacked for posting most everything they process on-line immediately, no other space organization does that yet all we here from the Warings of the world is h... [More]
Comment icon #21 Posted by Thorvir Hrothgaard 6 years ago
I accidentally liked this post earlier.  My apologies to everyone else, I fixed it. As for the bold part, what makes you think that?
Comment icon #22 Posted by J-Man V 6 years ago
I may have been a little harsh in my post and spoke too quickly. I know a lot of you strongly disagreed with my post and I give you my apologies for causing an uproar.    I'm not a rocket scientist or claim to understand the physics of the EM drive but I do understand that money and safety affect everything that NASA does. After 20+ years in the military, I have a little understanding of budgets and safety being the utmost. I respect all of your opinions but I ask that you not think of me as being a little "looney" or living in the "woo" sites just because of this one post.   When I've seen so... [More]
Comment icon #23 Posted by Thorvir Hrothgaard 6 years ago
Happens a lot around here.  No worries.  At least you came back instead of just drive-by posting and then running for the hills. All you have to do is post sanely then. Keep sharing your thoughts.  Just be prepared when others join in, dissenting or agreeing,  That's life.
Comment icon #24 Posted by Merc14 6 years ago
Looks like they will put one of these "engines" in space in 2017 http://www.extremetech.com/extreme/235566-can-the-impossible-space-drive-survive-falsification-in-orbit


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