In fact, there is something puzzling about the Higgs mass we now do observe. It is generally known as the "hierarchy problem.” Since it is the Higgs mass that sets the scale for the masses of all other known elementary particles, one might guess that it should be similar to another mass that plays a fundamental role in physics, the so-called Planck mass, which is the fundamental unit of mass in the theory of gravitation. (It is the mass of hypothetical particles whose gravitational attraction for one another would be as strong as the electric force between two electrons separated by the same distance.) But the Planck mass is about a hundred thousand trillion times larger than the Higgs mass. So, although the Higgs particle is so heavy that a giant particle collider was needed to create it, we still have to ask, why is the Higgs mass so small?
Steven WeinbergRelated topics
ask attraction distance electric elementary fact force fundamental giant gravitation guess heavy hierarchy hundred hypothetical known mass might now observe particle physics problem puzzling role scale should similar small something theory thousand times trillion unit collider planck higgsRelated quotes
Kuhn had the genius to find the words and sketch the concepts that made important old philosophical problems relevant to the public and newly discussable by philosophers. He had the strength of mind and commitment to lead the discussion. He could speak the truly incommensurable languages of physics, philosophy, and history, all necessary to frame and advance his epistemological quest. He wrote, as one of his admirers, Margaret Masterman, put it, in a "quasi-poetic style," sometimes veiled, sometimes with "rhetorical exaggeration," but always after careful and even painful thought. Or, to switch metaphors, he drew the portrait of science in the manner of the Impressionists. At a distance, where most viewers stand, the portrait appears illuminating, persuasive, and inspiring; close in, where historians and philosophers stare, it looks sketchy, puzzling, and richly challenging.
John L. Heilbron
Early in life, most of us probably observe an unhappy relationship between labor and wealth - to wit, the heavier the labor, the less the wealth.
The man doing heavy manual work makes less than the man who makes a machine work for him, and this man makes less than the man sitting at a desk. The really rich people, the kind who go around on yachts and collect old books and new wives, do no labor at all.
The economic reasons for dividing the money this way are clear enough. One, it has always been done that way; and two, it's too hard to change at this late date. But the puzzling question is why, since the money is parceled out on this principle, young people are constantly being pummeled to take up a life of labor.
In any sensible world, the young would be told they could labor if they wanted to, but warned that if they did so it would cost them.
Russell Baker
THEY who are acquainted with the present state of the theory of Symbolical Algebra, are aware, that the validity of the processes of analysis does not depend upon the interpretation of the symbols which are employed, but solely upon the laws of their combination. Every system of interpretation which does not affect the truth of the relations supposed, is equally admissible, and it is thus that the same process may, under one scheme of interpretation, represent the solution of a question on the properties of numbers, under another, that of a geometrical problem, and under a third, that of a problem of dynamics or optics. This principle is indeed of fundamental importance; and it may with safety be affirmed, that the recent advances of pure analysis have been much assisted by the influence which it has exerted in directing the current of investigation.
George Boole
While one welcomes aid that gets through to help the poorest people in the poorest parts of the world, does my hon. Friend share my concern that some policies, particularly those adopted by the World Bank in its advice to poor countries in receipt of loans it organises, force on those countries economic models that often involve cuts in public expenditure which make the living conditions of people dependent on public services, health, education or housing worse because those countries are pursuing some economic Valhalla similar to that pursued by the present Government? Does he believe that the Government should consider their role in multinational agencies such as the World Bank as well as my hon. Friend's obvious and quite correct concern about the lack of spending on overseas aid in general?
Jeremy Corbyn
It is quite easy to include a weight for empty space in the equations of gravity. Einstein did so in 1917, introducing what came to be known as the cosmological constant into his equations. His motivation was to construct a static model of the universe. To achieve this, he had to introduce a negative mass density for empty space, which just canceled the average positive density due to matter. With zero total density, gravitational forces can be in static equilibrium. Hubble's subsequent discovery of the expansion of the universe, of course, made Einstein's static model universe obsolete. ...The fact is that to this day we do not understand in a deep way why the vacuum doesn't weigh, or (to say the same thing in another way) why the cosmological constant vanishes, or (to say it in yet another way) why Einstein's greatest blunder was a mistake.
Frank Wilczek
