Oscar Chavoya-Aceves

10 Questions 148 Answers 0 Followers

Questions related from Oscar Chavoya-Aceves

Is M87 visible from the South Pole?

The coordinates of M87 are: Right Ascension:12 : 30.8 (h:m) Declination: +12 : 24 (deg:m) As a consequence, M87 is located in the North Celestial Hemisphere. According to Shep Doeleman (EHT...

04 April 2019 8,406 2 View

How can pure states be obtained from measurements?

For a state that has wave function (a pure state), according to the axioms of quantum physics, there is always a complete system of measurement processes that lead, with certainty to certain...

09 September 2018 7,644 4 View

Is the universe really intrinsically mathematical?

If the universe is intrinsically mathematical we might be in a bad situation when it comes to uncover the laws of nature by experiment and data analysis, as the attached file shows. It may be, as...

02 February 2014 3,117 8 View

What is the meaning of "simultaneity" when we consider events in close spatial proximity, like in the case of the double slit experiment?

According to Einstein's definition of simultaneity, two events are simultaneous in a given system of reference, if they occur at the same time, as measured by clocks that have been synchronized...

01 January 2014 6,960 32 View

Is there proof for this conjecture?

There is one and only one pair of natural numbers m and n (15 and 21) such that: m and n are triangular numbers; the sum of their squares is a triangular number (666); and the sum of the...

11 November 2013 4,083 3 View

What is the impact of poor ventilation on learning?

There is a trend in the United States to reduce the expenses in education. Suddenly we find 30 students in a classroom that was (hopefully) designed for twenty or so, with no actualization of the...

11 November 2013 3,627 4 View

Is it true that E^2/c^2 - p^2 = m^2 c^2?

Why am I asking this question? Well, the logical principle of explosion states that if a contradiction is introduced in a logical system then any theorem can be proved true. (Ex contradictione...

09 September 2013 381 8 View

Is it possible to do physics without making any metaphysical assumptions?

That's a common ad hominem argument: "Yours is not physics, but metaphysics." But, seriously, is it possible to do any physics completely free of metaphysical assumptions and, in consequence, some...

09 September 2013 2,873 37 View

" I think I can safely say that nobody understands quantum mechanics." (R. Feynman) If that statement is true, how can we know if QM is true?

Whatever our definition of truth could be (Like: "A statement is true if its content corresponds to reality." which, I believe, was Einstein's concept of truth.) before we determine if a statement...

09 September 2013 4,210 77 View

Is there a reasonable alternative to the theory of the expanding universe?

We know that our star, the Sun loses about 10^-14 of its mass per year as a result of electromagnetic radiation and particle emission. That reduction in mass should show up as a decreasing...

09 September 2013 4,026 73 View