The far distant fates of the Universe offer a number of possibilities, but if dark energy is truly a constant, as the data indicates, it will continue to follow the red curve, leading to the long-term ...
I see this problem all the time. The idea that if you apply a constant force on an object, it should move at a constant speed. Really, this is what Aristotle would say, right? There are two course ...
There are quite a few fundamental constants. These are things like the speed of light (c) the charge on an electron (e), and the Planck constant (h). These constants are determined with some type of ...
The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...
A big puzzle is whether the fine structure constant, alpha, has always had the same value – a signal from the early universe may tell us RICHARD FEYNMAN called the fine structure constant, alpha, “one ...
In every bit of nothing, there is something. If you zoom in on empty space and take out all the planets and stars and galaxies, you might expect a pure vacuum, but you’d be wrong. Instead you would ...
On April 11, 1804, when Benjamin Constant was thirty-six, he confided to his diary: “I have excellent qualities . . . but I am not quite a real being. Inside me there are two people, one the observer ...
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