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"Finally, a Climate Change Documentary That Will..." Topic

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rjones6920 Jul 2019 8:59 p.m. PST

Real scientists will tell you there is hardly anything in science that is settled

Really! Well as a real scientist a physicist let me provide you with a list of things that we physicists, as a result of our "partisan politics and special interests", regard as settled science. You tell me which of these items is "unsettled" and thus requires additional research to resolve the question:

(a) The Earth is not flat. It's approximately spherical;
(b) The Moon orbits the Earth;
(c) The Earth orbits the Sun;
(d) Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto (demoted from planet status by evil conspirators) orbit the Sun; they don't orbit the Earth;
(e) The Earth is approximately spherical because of the force of gravity and its rotation: spherical because of gravity, deviation from spherical because of the Earth's rotation;
(f) The force of gravity and the effects of rotation are why the Moon and the planets besides Earth (including Pluto, because it's a planet to me) are also roughly spherical;
(g) The force of gravity is why the Moon orbits the Earth, and the Earth and the other planets orbit the Sun;
(h) The Sun is a star;
(i) Elements cannot be transformed into other elements by chemical means. Specifically, this means lead cannot be transformed into gold by chemical means;
(j) Elements can be transformed into other elements by PHYSICAL means, but only if it changes the atomic nucleus;
(k) Elements can be transformed into other elements by splitting a nucleus into two or more nuclei. We'll call this nuclear fission;
(l) Elements can be transformed into other elements by combining two or more
nuclei into one or more different nuclei. We'll call this nuclear fusion;
(m) The Sun and other stars in the sky shine because of nuclear fusion, beginning
their lives by turning hydrogen into helium;
(n) In a closed system angular momentum is conserved;
(o) In a closed system electric charge is conserved;
(p) Light is an electromagnetic wave;
(q) There are electromagnetic waves that are invisible to the human eye;
(r) Electrons and protons have electric charges of opposite sign but equal
magnitude. In other words, if you put a proton at rest in a uniform
electrostatic field, and then later put an electron at rest in that same field,
the proton and electron will go in opposite directions but will experience
forces of equal magnitude;
(s) All matter has either: (i) the same type of electric charge as a proton (i.e.,
when placed at rest in a uniform electrostatic field would go in the same
direction as a proton); (ii) the same type of electric charge as an electron (i.e.,
would go in the same direction as an electron); (iii) no electric charge at all
(i.e., would experience no force in a uniform electrostatic field);
(t) There is a force between any pair of point charges at rest that is
proportional to the magnitude of the product of the charges and inversely
proportional to the square of the distance between them. That force is
attractive if the charges are of opposite types and repulsive if the charges are
of the same type;
(u) A changing electric field produces a magnetic field;
(v) A changing magnetic field produces an electric field;
(w) There are no magnetic charges;
(x) Red light has a lower frequency than blue light. In fact as you progress along
the visible spectrum in the direction ROYGBIV frequency increases.

Just let me know which of these is not settled science.

rjones6920 Jul 2019 9:22 p.m. PST

There's an error in my post from 20 Jul 2019 7:20 p.m. PST:

Since the range is 275 to 284 ppm, that should be 279.5 +/- 4.5 ppm NOT 281.5 +/- 2.5.

However this doesn't change the conclusions. 279.5 ppm is still about 280 ppm.

And since the error is +/- 4.5 ppm, that 100 ppm difference between current and pre-industrial levels is 22 times that error (i.e., 22 sigma).

Given that we're talking about a value of 22 sigma, we can still safely rule out that the increase of 100 ppm in CO2 concentrations from pre-industrial levels to current levels is due to errors in the pre-industrial levels.

von Schwartz21 Jul 2019 2:53 p.m. PST

Does that mean that there are only two genders, male and female?

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