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Interference, double slit and Newton Rings by Odal on October 18th, 2017, 10:39 am
The question of interference patters is central to light theory. I would like to share some pictures that show the same patterns in very unusual situations.
The first picture has been taken with the open body of a digital camera, and a laser beam a pen) shining into the body. As you can see, the same patterns appear that are usually associated with constructive and destructive interference see in the double slit experiment, or in the use of two thin plates showing so-called Newton rings.

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Helo, by janifar47 on September 16th, 2017, 2:53 am
Hello, i am new user what you shared ??
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Temp file by BurtJordaan on May 5th, 2017, 3:49 am
OK, back to Alice's mission. Her plan has changed a little and she will now first stop in the region of Alpha-C (AC) for some observations. It is way too late to achieve the rocket braking at the original very low (0.075g) acceleration, so Alice asked her INS computer to get them into a 'parking' orbit at a more comfortable 1g retro-burn. Her INS and my trusted spreadsheet 'know' that at -1g, it will take 0.69 years to get the coasting ship to zero velocity relative to Bob, and that it must start to brake 0.2 lyrs (on their rotated map) short of the parking position. At just over 11 years into her mission, Alice comes to rest in Bob's spacetime structure again.

During the 0.69 years of deceleration, Alice's tilted structure has gradually rotated back to align with Bob's structure once again. While their structures were at an angle to each other, space and time were different for them. Here is a summary of the space and time accounting columns:

Stage/event _______ T_Bob yr __ D_Bob lyr...

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Why is relativity so hard to learn?[10X] by BurtJordaan on May 5th, 2017, 12:13 am
This is a "whiteboard dump" for a post following on part [9] of a Philosophy of Science thread with the above name. I have thought to move things deemed too technical here for reference (As sort of Appendices).

BurtJordaan ยป 04 May 2017, 11:44 wrote:That said, in the next piece we will make Alice turn around en head home, and provided that her long-playing rocket has enough fuel left, make it little swifter.

As Mitchell has indicated above, there is a slight possibility that a future super-dooper technology could perhaps bring Alice back home with the amount of fuel that she has left. As we also discussed, if you have the technology, a higher acceleration would be better, so let us look at a one earth gravity (1g) setting ...

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Anyone Else Guided Here And Other Places Like This Inexplicably? by 1sc on April 22nd, 2017, 11:29 pm
I have been receiving what seems like an inner "guiding hand" to very specific scientific subjects. Not hearing voices or anything lol. Quantum physics, time travel, nanotubes, nanobots, chemtrails, and other subjects. Before 2 years ago I did not know some of these things existed, and I certainly didn't know how they worked. And now I somehow guide myself through some sort of pre existing science and biology curriculum of which I am my own nutty professor. I am in no way complaining. Just hopelessly interested in everything I read about with an insatiable thirst for knowledge??? Has anyone else experienced a sudden heightened scientific enlightenment with no explanation??
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