Order Of Magnitude Quotes (4 quotes)
Energy of the tides is continuously being dissipated at a rate whose order of magnitude is a billion horsepower!
No one knows the diversity in the world, not even to the nearest order of magnitude. We dont know for sure how many species there are, where they can be found or how fast they're disappearing. It's like having astronomy without knowing where the stars are.
The laws of thermodynamics, as empirically determined, express the approximate and probable behavior of systems of a great number of particles, or, more precisely, they express the laws of mechanics for such systems as they appear to beings who have not the fineness of perception to enable them to appreciate quantities of the order of magnitude of those which relate to single particles, and who cannot repeat their experiments often enough to obtain any but the most probable results.
Thus, remarkably, we do not know the true number of species on earth even to the nearest order of magnitude. My own guess, based on the described fauna and flora and many discussions with entomologists and other specialists, is that the absolute number falls somewhere between five and thirty million.