Often, X is life, but there are other values for which the argument works. For example, scientists have found that if the universal constants (such as the speed of light or the Planck constant) were only a tiny bit different life could not exist. | Often, X is life, but there are other values for which the argument works. For example, scientists have found that if the universal constants (such as the speed of light or the Planck constant) were only a tiny bit different life could not exist. |