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Good Science and Bad Science in the Movie Introduction Criticism always abounds when a movie having even a remote reference to science makes its debut. The Core is no exception. Web sites denounce its validity, some calling it absurd and others "monumentally dumb" NY Times.
Because Science Fiction is the genre into which one would categorize The Core, the implication is that facts are not the issue but rather entertainment, adventure, and surrealism are the paramount concerns. One can be thoroughly entertained by the film despite scientific impossibilities and blunders.
Within the realm of Sci-fi movies there is no bad Physics, bad Geology or bad Biology. Finding blunders does not necessarily detract from enjoying the film. On the other hand, it makes watching it even more fun and challenging. In defense of the critics, it is a good thing to present truths and expose the impossible to the public in the interest of "good science".
Such a belief is the basis for this document. So, enjoy the movie but know the scientific facts! The main divisions are the: The mantle is further subdivided into zones based on seismic wave activity, these zones being the: It is true that the outer core is a rotating fluid, the composition of which is most likely dense iron and nickel.
The inner core is solid. Click the image to the left to enlarge it in a new window. USGS It is true that the crust we live on is the thinnest part of Earth and that it is the least dense rock: As stated in the movie, we have drilled into the crust to extract core samples for study and it is factual that scientists have only been able to penetrate about 10km 6.
Core samples are done into oceanic crust since it is thinner than continental crust. Continental crust averages 40 km to 70 km No one has ever been able to drill into, let alone travel down into, the depths of the mantle itself.
Mantle rock is extremely dense, owing to the increase in pressure of overlying rock material. Pressure increases with distance from the crust to the cores of the earth. Extremely high temperatures in the liquid outer core drive a circular transfer of heat known as convection currents.
The fluid core, with a radius of miles, is always in motion, spinning once a day at about miles per hour at the outer edge of the equator. The exact motion of the outer core fluid is not fully understood.
Some researchers have linked rotation of Earth, due to "original spin" at the time our solar system formed, to the rotation of the outer core.
Interior of the Earth ; Dr. It is also true that the magnetic field is generated by the rotation of the dense, iron, liquid outer core and that this field extends aboutmeters approx. As the outer core fluid is driven by convection currents, a dynamo effect of circulating electric current is produced inside Earth, exactly as Professor Keyes explained in the movie.
The geomagnetic field protects us from harmful charged particles emitted by the sun.Jan 28, · Eat food. Not too much. Mostly plants. That, more or less, is the short answer to the supposedly incredibly complicated and confusing question of what we .
Misc thoughts, memories, proto-essays, musings, etc. And on that dread day, the Ineffable One will summon the artificers and makers of graven images, and He will command them to give life to their creations, and failing, they and their creations will be dedicated to the flames.
by Judith Curry The final installment in the CE series on sea level rise. 1. Introduction Global mean sea level (GMSL) has increased by about 8–9 inches since , with about 3 inches occurring since As discussed in Part VI, scientists expect that GMSL will .
The Really Big One An earthquake will destroy a sizable portion of the coastal Northwest. The question is when. The modern theory of plate tectonics explains Formation, subduction and movement of Earth's Plates.
There were some theories over the last years that have led scientist to the modern theories of plate tectonics, One theory was continental drift.
[This is the fourth part of a four part essay–here is Part I.]. We have been talking about building an Artificial General Intelligence agent, or even a Super Intelligence agent.