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# Doctor Who Season 8 Episode 9: "Flatline"

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This is really exciting! In my last blog post I talked about how it would be completely impossible for the T.A.R.D.I.S. to land on Earth's surface without so much as denting it. Well, one of the most recent episodes of the show the Doctor actually explained why the T.A.R.D.I.S. CAN land on Earth without even scratching the surface of the planet. Naturally, it's time lord science and probably not really possible in real life.

In the episode the Doctor says "Clara, I need you to pick up the T.A.R.D.I.S.. Carefully. It should be possible. I've adjusted the relative gravity." She responds "You mean you've made it lighter." After which the Doctor says " Clara, it's always lighter. If the T.A.R.D.I.S.were to land with its true weight, it would fracture the surface of the Earth."

I should mention, the T.A.R.D.I.S. is not full sized when the Doctor asks Clara to pick it up (that would be absurd). It's been shrunk! It looks a little something like this:

But anyway, this is the answer to my question from the previous blog post. Some how the T.A.R.D.I.S. is able to manipulate its own "relative gravity" which means the T.A.R.D.I.S. is not being acted on by the full force Earth's gravitational field. Rather, the T.A.R.D.I.S. is being acted on by a minuscule gravitational force relative to the Earth's actual gravitational pull. If the T.A.R.D.I.S. were not able to manipulate its "relative gravity" than the full weight of the entire dimension on the inside of the T.A.R.D.I.S. would be acting on Earth's surface and it would do some serious damage. Now, I do not believe this is possible on Earth since gravity is constant everywhere on the surface of Earth. Acceleration due to gravity is always 9.81 m/s2 . Changing how aerodynamic the object is can change the acceleration of the object, like feather versus a pebble, but it will still feel the same force of gravity on the surface of the planet. The T.A.R.D.I.S. would- in theory- weigh so much that it could fracture the Earth's surface just by sitting on it. Not to mention the Doctor is changing the gravity acting on that T.A.R.D.I.S. without changing its shape or any at all. I can be sure how he does it, but I do know that we probably do not have the technology to emulate that effect.

I still can't get over this.

And this:

Meanwhile I'm just like:

Anyway, that is about all. Thanks for stopping by!

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